ITI Plumber Question Bank in English Book PDF Free Download
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About This Presentation
ITI Plumber MCQ Question Bank in English E-Book PDF Free Download. Helpful for CTS, CTI, CITS, Apprentice, NAVY, DRDO, RRB, ISRO and all other plumbing competitive exams.
Slide Content
ITI Plumber Question Bank Bharatskills.in
1. Which of these pipes is the most common choice for drain lines? [AITT 2018]
a) PVC pipe b) CPVC pipe c) ABS pipe d) Black iron pipe
Ans. c
2. These pipes are made from pure asbestos fibres, Portland cement and silica under high
pressure. [AITT 2018]
a) AC Pipes
b) SW Pipes
c) Galvanized pipes
d) PE Pipes
Answer- a
3. It is used to cut threads on pipes. It is:- [AITT 2018]
a) Die spanner
b) Die wrench
c) Die stock
d) Die cutter
Answer- c
4. Firmer Chisel is a _____ [DGT 2019]
a) Measuring instruments
b) Cutting tool
c) connecting device
d) Marking device
Answer- b
5. Pipes which are best suited for food processing industry [DGT 2018]
a) CI pipe
b) GI pipe
c) Stainless steel pipe
PVC pipe
Answer- c
6. When a pipe is cut, a bulge is left inside the end. This is called _____. [DGT 2019]
a) bridge b) scratch
c) Base d) Burr
Ans.d
1. Which of these pipes is the most common choice for drain lines? [AITT 2018]
a) PVC pipe b) CPVC pipe c) ABS pipe d) Black iron pipe
Ans. c
2. These pipes are made from pure asbestos fibres, Portland cement and silica under high
pressure. [AITT 2018]
a) AC Pipes
b) SW Pipes
c) Galvanized pipes
d) PE Pipes
Answer- a
3. It is used to cut threads on pipes. It is:- [AITT 2018]
a) Die spanner
b) Die wrench
c) Die stock
d) Die cutter
Answer- c
4. Firmer Chisel is a _____ [DGT 2019]
a) Measuring instruments
b) Cutting tool
c) connecting device
d) Marking device
Answer- b
5. Pipes which are best suited for food processing industry [DGT 2018]
a) CI pipe
b) GI pipe
c) Stainless steel pipe
PVC pipe
Answer- c
6. When a pipe is cut, a bulge is left inside the end. This is called _____. [DGT 2019]
a) bridge b) scratch
c) Base d) Burr
Ans.d
7. Where power supply is not available, ______ type of drilling machine is used. [DGT 2019]
a) Radial drilling machine b) Ratchet drilling machine
c) Bench drilling machine d) Pillar drilling machine
Answer- b
8. There are two sub-systems used in home plumbing:- [DGT 2019]
a) hot and cold water
b) Low pressure and high pressure water
c) Incoming fresh water and outgoing waste water
d) None of these
Answer- a
9. This water supply system is suitable if the source of water distribution is at a sufficient height [
DGT 2018]
a) Gravitational system
b) Pumping system
c) Combined gravity and pumping system
d) None of these
Answer- a
10. Valves to release air in water supply pipelines are installed at ______ [ DGT 2019]
a) pipe bend
b) pipe joints
c) Peak
d) lower point
Answer- c
11. ______ is one of the oldest materials used for sewer lines that is highly resistant to most acids. [
DGT 2019]
a) Vitrified Clay Pipe
b) Pipe made of lead
c) Brass pipes
d) Rubber pipes
Answer- a
12. What is installed in the water tank of a flush toilet, which shuts off the water when the tank is
full? [ DGT 2019]
a) control valve b) float valve
c) Control tap d) Float ball
Answer- d
a) Radial drilling machine b) Ratchet drilling machine
c) Bench drilling machine d) Pillar drilling machine
Answer- b
8. There are two sub-systems used in home plumbing:- [DGT 2019]
a) hot and cold water
b) Low pressure and high pressure water
c) Incoming fresh water and outgoing waste water
d) None of these
Answer- a
9. This water supply system is suitable if the source of water distribution is at a sufficient height [
DGT 2018]
a) Gravitational system
b) Pumping system
c) Combined gravity and pumping system
d) None of these
Answer- a
10. Valves to release air in water supply pipelines are installed at ______ [ DGT 2019]
a) pipe bend
b) pipe joints
c) Peak
d) lower point
Answer- c
11. ______ is one of the oldest materials used for sewer lines that is highly resistant to most acids. [
DGT 2019]
a) Vitrified Clay Pipe
b) Pipe made of lead
c) Brass pipes
d) Rubber pipes
Answer- a
12. What is installed in the water tank of a flush toilet, which shuts off the water when the tank is
full? [ DGT 2019]
a) control valve b) float valve
c) Control tap d) Float ball
Answer- d
13. A pipe installed for the purpose of venting dirty gases into the atmosphere. [ DGT 2019]
a) Exhaust pipe
b) gas pipe
c) Vent pipe
d) Blocked pipe
Answer- c
14. In the context of solar heaters, what does ETC mean? [DGT 2019]
a) Evacuated Tube collector
b) Extra Tube collector
c) Elevated Tube Collector
d) Entering Tube collector
Answer: a
15. What is used to join cast iron pipes? [DGT 2019]
a) Flange joint
b) Collar joint
c) Screw joints
d) union addition
Answer- a
16. When the water seal in a drainage system is broken:- [DGT 2018]
a) the system will leak
b) the exhaust pipe will get blocked
c) The smell will return back into the building
d) the appliance will not operate correctly
Answer- c
17. A plumbing equipment used for washing utensils:- [DGT 2018]
a) Basin
b) sink
c) Tub
d) Bowl
Answer- b
18. ______ is a type of ball valve used to control the flow of liquid or gas. [ DGT 2019]
a) tap b) pipe
c) drainage d) stop cock
Answer- d
a) Exhaust pipe
b) gas pipe
c) Vent pipe
d) Blocked pipe
Answer- c
14. In the context of solar heaters, what does ETC mean? [DGT 2019]
a) Evacuated Tube collector
b) Extra Tube collector
c) Elevated Tube Collector
d) Entering Tube collector
Answer: a
15. What is used to join cast iron pipes? [DGT 2019]
a) Flange joint
b) Collar joint
c) Screw joints
d) union addition
Answer- a
16. When the water seal in a drainage system is broken:- [DGT 2018]
a) the system will leak
b) the exhaust pipe will get blocked
c) The smell will return back into the building
d) the appliance will not operate correctly
Answer- c
17. A plumbing equipment used for washing utensils:- [DGT 2018]
a) Basin
b) sink
c) Tub
d) Bowl
Answer- b
18. ______ is a type of ball valve used to control the flow of liquid or gas. [ DGT 2019]
a) tap b) pipe
c) drainage d) stop cock
Answer- d
19. PVC pipes are manufactured using _____ [DGT 2019]
a) Nylon
b) Rubber
c) polyvinyl chloride
d) Plastic
Answer- c
20. A sanitary device primarily designed for washing an excretory organ [DGT 2018]
a) Bidet
b) fountain
c) Spout
d) Runner
Answer- a
21. The number of pipes in a single stack system is ______ [DGT 2019]
a) One
b) Two
c) Three
d) Four
Answer- a
22. What will you use if circles of large diameter are to be marked? [DGT 2018]
a) Divider
b) Caliper
c) Trammel
d) Type
Answer- c
23. When the pipe vice handle is rotated anticlockwise:- [ DGT 2019]
a) the movable jaw is raised
b) the movable jaw bends
c) the fixed jaw rotates
d) the fixed jaw opens
Answer- b
24. A round metal rod is to be drilled, which holding device will you use? [DGT 2018]
a) C-Clamp
b) U-Bolt
c) V-Block
d) Angle plate
Ans. c
a) Nylon
b) Rubber
c) polyvinyl chloride
d) Plastic
Answer- c
20. A sanitary device primarily designed for washing an excretory organ [DGT 2018]
a) Bidet
b) fountain
c) Spout
d) Runner
Answer- a
21. The number of pipes in a single stack system is ______ [DGT 2019]
a) One
b) Two
c) Three
d) Four
Answer- a
22. What will you use if circles of large diameter are to be marked? [DGT 2018]
a) Divider
b) Caliper
c) Trammel
d) Type
Answer- c
23. When the pipe vice handle is rotated anticlockwise:- [ DGT 2019]
a) the movable jaw is raised
b) the movable jaw bends
c) the fixed jaw rotates
d) the fixed jaw opens
Answer- b
24. A round metal rod is to be drilled, which holding device will you use? [DGT 2018]
a) C-Clamp
b) U-Bolt
c) V-Block
d) Angle plate
Ans. c
25. The stiffness of concrete is due to the excess of ______ [ DGT 2019]
a) Water
b) fine particles
c) medium sized particles
d) coarse particles
Answer- c
26. Brick masonry consisting of alternate rows of headers and stretchers has ______ type of bond [
DGT 2019]
a) English bond
b) Flemish bond
c) stretcher bond
d) header bond
Answer- a
27. For cutting brass, the hacksaw blade should have ______ teeth per 25 mm [ DGT 2019]
a) 8
b) 10
c) 12
d) 14
Ans.d
28. Four way pipe fitting is called _____ [ DGT 2019]
a) Cross
b) Elbow
c) reducer
d) Band
Answer- a
29. Which type of sandpaper is used for carpentry work? [DGT 2019]
a) Bastard Sand
b) Second cut sandpaper
c) Smooth sandpaper
d) rasp cut sand
Answer- d
30. The additional device to be installed in any line to prevent pipe bursting is:- [ DGT 2018]
a) Air relief valve b) Ball valve
c) Globe valve d) Gate valve
Answer- a
a) Water
b) fine particles
c) medium sized particles
d) coarse particles
Answer- c
26. Brick masonry consisting of alternate rows of headers and stretchers has ______ type of bond [
DGT 2019]
a) English bond
b) Flemish bond
c) stretcher bond
d) header bond
Answer- a
27. For cutting brass, the hacksaw blade should have ______ teeth per 25 mm [ DGT 2019]
a) 8
b) 10
c) 12
d) 14
Ans.d
28. Four way pipe fitting is called _____ [ DGT 2019]
a) Cross
b) Elbow
c) reducer
d) Band
Answer- a
29. Which type of sandpaper is used for carpentry work? [DGT 2019]
a) Bastard Sand
b) Second cut sandpaper
c) Smooth sandpaper
d) rasp cut sand
Answer- d
30. The additional device to be installed in any line to prevent pipe bursting is:- [ DGT 2018]
a) Air relief valve b) Ball valve
c) Globe valve d) Gate valve
Answer- a
31. The tank capacity of a flush toilet is usually _______ [DGT 2019]
a) 5 to 10 liters
b) 10 to 15 litres
c) 5 to 15 litres
d) 10 to 20 litres
Answer- c
32. A room that has a toilet and wash basin but no bath or shower is called a _____ [DGT 2019]
a) Quarter Bathroom
b) Half bathroom
c) group bathroom
d) Small bathroom
Answer- b
33. Tap is also called ______ [ DGT 2019]
a) Washerman
b) Spout
c) Woodcutter
d) Plaque
Answer- b
34. What happens if the water seal in the drainage system breaks? [ DGT 2019]
a) there will be a leak in the system
b) The discharge pipe will get blocked
c) The smell will travel back into the building
d) the equipment will not function properly
Answer- c
35. What does DWV mean in plumbing? [ DGT 2019]
a) Drain-Waste-Vent
b) Dam-Water-Valve
c) Damp-Waste-Ventilation
d) Drain-Water-Valve
Answer: a
36. CI pipes are manufactured using:- [DGT 2018]
a) grey cast iron b) white cast iron c) malleable cast iron d) ductile cast iron
Answer- a
a) 5 to 10 liters
b) 10 to 15 litres
c) 5 to 15 litres
d) 10 to 20 litres
Answer- c
32. A room that has a toilet and wash basin but no bath or shower is called a _____ [DGT 2019]
a) Quarter Bathroom
b) Half bathroom
c) group bathroom
d) Small bathroom
Answer- b
33. Tap is also called ______ [ DGT 2019]
a) Washerman
b) Spout
c) Woodcutter
d) Plaque
Answer- b
34. What happens if the water seal in the drainage system breaks? [ DGT 2019]
a) there will be a leak in the system
b) The discharge pipe will get blocked
c) The smell will travel back into the building
d) the equipment will not function properly
Answer- c
35. What does DWV mean in plumbing? [ DGT 2019]
a) Drain-Waste-Vent
b) Dam-Water-Valve
c) Damp-Waste-Ventilation
d) Drain-Water-Valve
Answer: a
36. CI pipes are manufactured using:- [DGT 2018]
a) grey cast iron b) white cast iron c) malleable cast iron d) ductile cast iron
Answer- a
37. A soldering bit consists of a piece of _____ attached to an iron rod with a wooden handle [ DGT
2019]
a) tin b) copper c) lead d) zinc
Answer- b
38. When a flowing fluid is suddenly stopped or its direction is changed, its pressure increases or a
wave arises, it is called :
a) water thrust
b) water surge
c) water hammer
d) water purge
Answer- c
39. Which personal protective equipment is used to protect the head?
a) Shoes
b) Helmet
c) Nose mask
d) Head shield
Answer- b
40. Which personal protective equipment is used for hand protection?
a) Helmet
Glasses
c) Hand gloves
d) Face shield
Answer- c
41. How to stop bleeding of an injured person?
a) tie a bandage
b) Apply ointment
c) Apply tincture on the wound
d) apply pressure to the wound
Answer- d
42.What is the colour code of dustbins for waste paper?
a) Red
b) Blue
c) Black
d) Green
Answer- b
2019]
a) tin b) copper c) lead d) zinc
Answer- b
38. When a flowing fluid is suddenly stopped or its direction is changed, its pressure increases or a
wave arises, it is called :
a) water thrust
b) water surge
c) water hammer
d) water purge
Answer- c
39. Which personal protective equipment is used to protect the head?
a) Shoes
b) Helmet
c) Nose mask
d) Head shield
Answer- b
40. Which personal protective equipment is used for hand protection?
a) Helmet
Glasses
c) Hand gloves
d) Face shield
Answer- c
41. How to stop bleeding of an injured person?
a) tie a bandage
b) Apply ointment
c) Apply tincture on the wound
d) apply pressure to the wound
Answer- d
42.What is the colour code of dustbins for waste paper?
a) Red
b) Blue
c) Black
d) Green
Answer- b
43. What is the colour code for plastic dustbins?
a) Red
b) Blue
c) Green
d) Yellow
Answer- d
44. What is the first step to avoid accidents at workplace?
a) by wearing safety equipment
b) Doing things your own way
c) By following safety precautions
d) Doing things with a highly efficient working practice
Answer- c
45. What is a warning signal?
School
b) Guarded
c) Unguarded
d) Pedestrian path
Answer- c
46. What immediate action is taken in case of fire?
a) Raise the alarm
b) Close the doors and windows
c) Inform the person in charge
d) call for medical help
Answer- a
47. Which fire extinguisher is used to extinguish class B fire?
a) Halon
b) Foam
c) Dry powder
d) Carbon dioxide
Answer- d
a) Red
b) Blue
c) Green
d) Yellow
Answer- d
44. What is the first step to avoid accidents at workplace?
a) by wearing safety equipment
b) Doing things your own way
c) By following safety precautions
d) Doing things with a highly efficient working practice
Answer- c
45. What is a warning signal?
School
b) Guarded
c) Unguarded
d) Pedestrian path
Answer- c
46. What immediate action is taken in case of fire?
a) Raise the alarm
b) Close the doors and windows
c) Inform the person in charge
d) call for medical help
Answer- a
47. Which fire extinguisher is used to extinguish class B fire?
a) Halon
b) Foam
c) Dry powder
d) Carbon dioxide
Answer- d
48. Which fire extinguisher is used for flammable and moving liquid fires?
a) Foam b) Halon c) Dry powder d) Carbon dioxide
Answer- a
49. Which period is known as the 'Golden Hour'?
a) The first 30 minutes after the incident
b) First 30 minutes after first aid
c) First 45 minutes after admission
d) the first 60 minutes after treatment
Answer- a
What is the name of the part marked 'X' ?
a) Nuts
b) snug
c) Clamp
d) holder
Answer- b
51. What is the name of the part marked as X in hand vice?
a) Spring b) Wing nut
c) Fixed plate d) Tamper plate
Answer- a
a) Foam b) Halon c) Dry powder d) Carbon dioxide
Answer- a
49. Which period is known as the 'Golden Hour'?
a) The first 30 minutes after the incident
b) First 30 minutes after first aid
c) First 45 minutes after admission
d) the first 60 minutes after treatment
Answer- a
What is the name of the part marked 'X' ?
a) Nuts
b) snug
c) Clamp
d) holder
Answer- b
51. What is the name of the part marked as X in hand vice?
a) Spring b) Wing nut
c) Fixed plate d) Tamper plate
Answer- a
52. What is the name of the part marked x in a pipe wrench?
a) Pivot
b) Spring
c) Liver
d) adjusting nut
Answer- d
53. What is the name of the vice?
a) Hand vice
b) pipe vice
c) Engineer Vice
d) Tool maker vice
Answer- b
54. What is the material for making the body of bench vice?
a) High speed steel
b) high carbon steel
c) medium carbon steel
d) Cast iron
Answer- d
a) Pivot
b) Spring
c) Liver
d) adjusting nut
Answer- d
53. What is the name of the vice?
a) Hand vice
b) pipe vice
c) Engineer Vice
d) Tool maker vice
Answer- b
54. What is the material for making the body of bench vice?
a) High speed steel
b) high carbon steel
c) medium carbon steel
d) Cast iron
Answer- d
55. Which vice has a movable jaw that works vertically?
a) Pin vice b) Pipe vice c) Hand vice d) Quick releasing vice
Answer- b
56. What is the accuracy of steel rule?
a) 0.025mm b) 0.5mm c) 0.1mm d) 0.2mm
Ans.b
57. What is the material of the scriber?
a) Spring steel
b) high carbon steel
c) low carbon steel
d) High grade cast steel
Answer- b
58. What is the name of the part marked 'x'?
a) Blade
b) straight edge
c) Stocks
d) Flat surface
Answer- c
59.What is marked as 'x' on a saw blade?
a) root b) pitch c) flank d) crest
Answer- c
a) Pin vice b) Pipe vice c) Hand vice d) Quick releasing vice
Answer- b
56. What is the accuracy of steel rule?
a) 0.025mm b) 0.5mm c) 0.1mm d) 0.2mm
Ans.b
57. What is the material of the scriber?
a) Spring steel
b) high carbon steel
c) low carbon steel
d) High grade cast steel
Answer- b
58. What is the name of the part marked 'x'?
a) Blade
b) straight edge
c) Stocks
d) Flat surface
Answer- c
59.What is marked as 'x' on a saw blade?
a) root b) pitch c) flank d) crest
Answer- c
60. What is the name of the part marked 'x'?
a) pin b) face c) cheek d) side face
Answer- c
61. What is used to remove pinning of files?
a) File card
b) wire strip
c) Cloth
d) Nylon brush
Answer- a
62. Which marking media gives very clear lines but takes longer to dry?
a) Copper sulphate
b) taking cellulose
c) prussian blue
d) white wash
Answer- c
63. What is used for filing leather gasket?
a) Raspcat
b) flat file
c) Single cut file
d) Double cut file
Answer- a
64. What is the use of chain pipe wrench?
a) Holding square and flat objects
b) Assembly of small jobs
c) Holding small diameter jobs
d) Holding large diameter cylindrical and irregular jobs
Answer- d
a) pin b) face c) cheek d) side face
Answer- c
61. What is used to remove pinning of files?
a) File card
b) wire strip
c) Cloth
d) Nylon brush
Answer- a
62. Which marking media gives very clear lines but takes longer to dry?
a) Copper sulphate
b) taking cellulose
c) prussian blue
d) white wash
Answer- c
63. What is used for filing leather gasket?
a) Raspcat
b) flat file
c) Single cut file
d) Double cut file
Answer- a
64. What is the use of chain pipe wrench?
a) Holding square and flat objects
b) Assembly of small jobs
c) Holding small diameter jobs
d) Holding large diameter cylindrical and irregular jobs
Answer- d
65. What is the suitable pitch of hacksaw blade for cutting thin tubes?
a) 1.8mm b) 1.4mm c) 1.4mm d) 0.8mm
Ans.d
66. Which trigger operated vice is used to open a movable jaw?
a) Bench vice
b) Hand vice
c) Quick releasing vice
d) Tool Makers Vice
Answer- c
67. Which angle is marked as 'x'?
a) 100
b) 71
0
c) 50
0
d) 60
0
Ans.d
68. Which is an indirect measuring instrument?
a) steel rule
b) Jenny Caliper
c) Outside caliper
d) Bevel protector
Answer- c
69. What is the name of the part marked 'x'?
a) leg b) spring c) washer d) fulcrum
Answer- b
a) 1.8mm b) 1.4mm c) 1.4mm d) 0.8mm
Ans.d
66. Which trigger operated vice is used to open a movable jaw?
a) Bench vice
b) Hand vice
c) Quick releasing vice
d) Tool Makers Vice
Answer- c
67. Which angle is marked as 'x'?
a) 100
b) 71
0
c) 50
0
d) 60
0
Ans.d
68. Which is an indirect measuring instrument?
a) steel rule
b) Jenny Caliper
c) Outside caliper
d) Bevel protector
Answer- c
69. What is the name of the part marked 'x'?
a) leg b) spring c) washer d) fulcrum
Answer- b
70. What is the name of caliper?
a) Outside caliper b) Odd leg caliper
c) Inside caliper d) Divider
Answer- b
71. What is the name of caliper?
a) Firm joint inside caliper
b) Firm joint outside caliper
c) Spring joint outside caliper
d) Spring joint inside caliper
Answer- c
72. What is the weight of the hammer used for marking ?
a) 125 gms.
b) 200 gms.
c) 250 gms.
d) 300 gm
Ans. c
73. What is the name of chisel?
a) Flat chisel b) Web chisel c) Cross cut chisel d) Half round nose chisel
Answer- a
a) Outside caliper b) Odd leg caliper
c) Inside caliper d) Divider
Answer- b
71. What is the name of caliper?
a) Firm joint inside caliper
b) Firm joint outside caliper
c) Spring joint outside caliper
d) Spring joint inside caliper
Answer- c
72. What is the weight of the hammer used for marking ?
a) 125 gms.
b) 200 gms.
c) 250 gms.
d) 300 gm
Ans. c
73. What is the name of chisel?
a) Flat chisel b) Web chisel c) Cross cut chisel d) Half round nose chisel
Answer- a
74. What is the name of chisel?
a) Flat chisel
b) Web chisel
c) cross cut chisel
d) Diamond point chisel
Answer- b
75. What is the point angle of a centre punch?
a) 30
0
b) 45
0
c) 600
c.
d) 90
0
d.
Ans. d
76. What is the name of the punch?
a) Center punch
b) Prick punch
c) Number punch
d) Letter punch
Ans.d
77. What is the name of the punch?
a) Centre punch b) Prick punch c) Number punch d) Letter punch
Answer- c
a) Flat chisel
b) Web chisel
c) cross cut chisel
d) Diamond point chisel
Answer- b
75. What is the point angle of a centre punch?
a) 30
0
b) 45
0
c) 600
c.
d) 90
0
d.
Ans. d
76. What is the name of the punch?
a) Center punch
b) Prick punch
c) Number punch
d) Letter punch
Ans.d
77. What is the name of the punch?
a) Centre punch b) Prick punch c) Number punch d) Letter punch
Answer- c
78. Which material is used for manufacturing punches?
a) low carbon steel
b) high carbon steel
c) medium carbon steel
d) mild steel
Answer- b
79. What is the name of the part marked 'x'?
a) Fixed jaw
b) Twist drill
c) Movable jaw
d) Parallel Blocks
Answer- b
80. Which type of drill is fixed in the drilling machine?
a) Taper shank twist drill b) Straight shank twist drill
c) Flat drill d) Square taper shank twist drill
Answer- a
a) low carbon steel
b) high carbon steel
c) medium carbon steel
d) mild steel
Answer- b
79. What is the name of the part marked 'x'?
a) Fixed jaw
b) Twist drill
c) Movable jaw
d) Parallel Blocks
Answer- b
80. Which type of drill is fixed in the drilling machine?
a) Taper shank twist drill b) Straight shank twist drill
c) Flat drill d) Square taper shank twist drill
Answer- a
81. What is the name of the part marked 'x'?
a) chuck key b) drill chuck c) chuck holder d) machine spindle
Answer- b
82. What is the name of the machine?
a) Pedestal Drilling Machine
b) Bench drilling machine
c) Bench grinder
d) Pedestal grinder
Answer- b
83. What is the name of the process?
a) Rimming b) Drilling c) Tapping d) Counter sinking
Answer- b
a) chuck key b) drill chuck c) chuck holder d) machine spindle
Answer- b
82. What is the name of the machine?
a) Pedestal Drilling Machine
b) Bench drilling machine
c) Bench grinder
d) Pedestal grinder
Answer- b
83. What is the name of the process?
a) Rimming b) Drilling c) Tapping d) Counter sinking
Answer- b
84. What is the name of rivet ?
a) Pan head rivet b) Flat head rivet
c) Snap head rivet d) Mushroom head rivet
Answer- d
85. What is the name of the nut?
a) cap nut
b) square nut
c) Hexagonal nut
d) Self-locking nut
Answer- d
86. What is the name of the nut?
a) Sawn nut b) Castle nut c) Slotted nut d) Grooved nut
Answer: a
a) Pan head rivet b) Flat head rivet
c) Snap head rivet d) Mushroom head rivet
Answer- d
85. What is the name of the nut?
a) cap nut
b) square nut
c) Hexagonal nut
d) Self-locking nut
Answer- d
86. What is the name of the nut?
a) Sawn nut b) Castle nut c) Slotted nut d) Grooved nut
Answer: a
87. Which nut is used to protect the threads at the bolt end from getting damaged?
a) wing nut b) round nut c) slotted nut d) domed cap nut
Answer- d
88. What is the name of riveted joint?
a) Single strap butt joint
b) Double strap butt joint
c) Single riveted lap joint
d) Double riveted lap joint
Answer- c
89. What is the use of odd leg caliper?
a) To mark circles and circular arcs
b) To mark lines parallel to the inside and outside edges
c) To measure internal dimensions
d) To measure external dimensions
Answer- b
90. What is the type of hammer?
a) Set hammer b) Plain hammer
c) Cross hammer d) Straight pin hammer
Answer- a
a) wing nut b) round nut c) slotted nut d) domed cap nut
Answer- d
88. What is the name of riveted joint?
a) Single strap butt joint
b) Double strap butt joint
c) Single riveted lap joint
d) Double riveted lap joint
Answer- c
89. What is the use of odd leg caliper?
a) To mark circles and circular arcs
b) To mark lines parallel to the inside and outside edges
c) To measure internal dimensions
d) To measure external dimensions
Answer- b
90. What is the type of hammer?
a) Set hammer b) Plain hammer
c) Cross hammer d) Straight pin hammer
Answer- a
91. What is the inclination angle of chisel for cutting mild steel?
a) 22
0
b) 32
0
c) 34.5
0
d) 39.5
0
Ans. c
92. Which punch is used to locate the centre of a drill point?
a) Prick Punch
b) center punch
c) Pin punch
d) Hollow Punch
Answer- b
93. What is formed on iron and steel due to moisture and oxidation in the atmosphere?
a) Scaling
b) rusting
c) pitting
d) Erosion
Answer- b
94. What is the disadvantage of slow and continuous corrosion of metallic surface by chemical
reaction?
a) Rust
b) Erosion
c) Layering
d) Contraction
Answer- a
95. What is the name of die stock?
a) screw die stock b) quick cut die stock
c) button pattern stock d) ratchet type die stock
Answer- d
a) 22
0
b) 32
0
c) 34.5
0
d) 39.5
0
Ans. c
92. Which punch is used to locate the centre of a drill point?
a) Prick Punch
b) center punch
c) Pin punch
d) Hollow Punch
Answer- b
93. What is formed on iron and steel due to moisture and oxidation in the atmosphere?
a) Scaling
b) rusting
c) pitting
d) Erosion
Answer- b
94. What is the disadvantage of slow and continuous corrosion of metallic surface by chemical
reaction?
a) Rust
b) Erosion
c) Layering
d) Contraction
Answer- a
95. What is the name of die stock?
a) screw die stock b) quick cut die stock
c) button pattern stock d) ratchet type die stock
Answer- d
96. What is the type of elbow?
a) 15
0
elbow
b) 45
0
elbow
c) 60
0
elbow
d) 90
0
elbow
Ans. b
97. What is used to close a pipeline having external threads?
a) Plug
b) Cap
c) Coupling
d) reducer
Answer- b
98. Which type of fitting is used for easy disassembly and repair?
a) Plug
b) Coupling
c) Union
d) reducer
Answer- c
99. Which material is used to make AC pipes?
a) Asbestos fibre, clay lime
b) asbestos fiber, portlan cement and silica
c) Asbestos fibre, lime and cement
d) Asbestos fibre, silica and lime
Answer- b
100. Which material is used for joining CI pipes?
a) molten lead
b) molten rubber
c) Brass
d) Zinc
Answer- a
a) 15
0
elbow
b) 45
0
elbow
c) 60
0
elbow
d) 90
0
elbow
Ans. b
97. What is used to close a pipeline having external threads?
a) Plug
b) Cap
c) Coupling
d) reducer
Answer- b
98. Which type of fitting is used for easy disassembly and repair?
a) Plug
b) Coupling
c) Union
d) reducer
Answer- c
99. Which material is used to make AC pipes?
a) Asbestos fibre, clay lime
b) asbestos fiber, portlan cement and silica
c) Asbestos fibre, lime and cement
d) Asbestos fibre, silica and lime
Answer- b
100. Which material is used for joining CI pipes?
a) molten lead
b) molten rubber
c) Brass
d) Zinc
Answer- a
101. What is the advantage of cast iron pipes?
a) Low corrosion b) Low availability c) Expensive d) Easily cracked
Answer- a
102. Why should AC pipes be stored with care?
a) greater shock resistance
b) Low shock resistance
c) high shock resistance
d) Medium shock resistance
Answer- b
103. Which material is used as coating on cast iron pipes?
a) molten lead
b) Bituminous solution
c) molten rubber
d) molten iron
Answer- b
104. What precautions should be taken while cutting threads in GI pipes?
a) Clean the bangle with a wire brush
b) Apply soluble oil
c) Rotating the die stock anticlockwise to break the chips
d) apply slight pressure on the die stock
Answer- c
105. What is the name of the part marked 'x' in a chisel?
a) handle b) tang
c) ferrule d) shoulder
Answer- b
a) Low corrosion b) Low availability c) Expensive d) Easily cracked
Answer- a
102. Why should AC pipes be stored with care?
a) greater shock resistance
b) Low shock resistance
c) high shock resistance
d) Medium shock resistance
Answer- b
103. Which material is used as coating on cast iron pipes?
a) molten lead
b) Bituminous solution
c) molten rubber
d) molten iron
Answer- b
104. What precautions should be taken while cutting threads in GI pipes?
a) Clean the bangle with a wire brush
b) Apply soluble oil
c) Rotating the die stock anticlockwise to break the chips
d) apply slight pressure on the die stock
Answer- c
105. What is the name of the part marked 'x' in a chisel?
a) handle b) tang
c) ferrule d) shoulder
Answer- b
106. What is the name of the instrument?
a) hand saw b) setters c) tenon saw d) hacksaw
Answer- b
107. What is the name of the joint?
a) End lap joint b) Middle lap joint
c) Cross lap joint d) Corner lap joint
Answer- c
108. Which hard wood is used for making cabinets?
a) Mango
b) Teak wood
plywood
d) Bamboo
Answer- b
109. What is the name of the part marked 'x' in wood worker vice?
a) Fixed jaw
b) Movable jaw
c) Guide
d) Body
Answer- b
110. What is the name of tapered pieces of wood used for timber joints?
a) wedges b) spikes
c) straps d) sockets
Answer- a
a) hand saw b) setters c) tenon saw d) hacksaw
Answer- b
107. What is the name of the joint?
a) End lap joint b) Middle lap joint
c) Cross lap joint d) Corner lap joint
Answer- c
108. Which hard wood is used for making cabinets?
a) Mango
b) Teak wood
plywood
d) Bamboo
Answer- b
109. What is the name of the part marked 'x' in wood worker vice?
a) Fixed jaw
b) Movable jaw
c) Guide
d) Body
Answer- b
110. What is the name of tapered pieces of wood used for timber joints?
a) wedges b) spikes
c) straps d) sockets
Answer- a
111. What is the name of the fastener used in carpentry work?
a) Bold head screw b) Ordinary screw
c) Coach screws d) Hand rail screws
Answer- d
112. Which type of saw is used to cut the shoulder of a job?
a) tenon saw
b) Hand saw
c) Band saw
d) Special saw
Answer- a
113. Where are half lap joints used?
a) Table chair manufacturing
b) frame construction
c) Furniture manufacturing
d) Roof modifications
Answer- a
114. Which wood is suitable for making tool handles, wheels and cart bodies?
a) Kail wood b) Acacia wood
c) Chair wood d) Sal wood
Answer- b
a) Bold head screw b) Ordinary screw
c) Coach screws d) Hand rail screws
Answer- d
112. Which type of saw is used to cut the shoulder of a job?
a) tenon saw
b) Hand saw
c) Band saw
d) Special saw
Answer- a
113. Where are half lap joints used?
a) Table chair manufacturing
b) frame construction
c) Furniture manufacturing
d) Roof modifications
Answer- a
114. Which wood is suitable for making tool handles, wheels and cart bodies?
a) Kail wood b) Acacia wood
c) Chair wood d) Sal wood
Answer- b
115. Which wood is used to make paper pulp?
a) Acacia
b) Teak
c) Mango
d) Bamboo
Answer- d
116. What is the use of bench hook in carpentry work ?
a) To hold the job while sawing
b) To hold the job while pasting
c) To hold the job for drilling
d) to hold the job for rimming
Answer- a
117. What is the use of clamps used in carpentry work?
a) To press
b) for pasting
c) for tightening
d) To lock
Answer- b
118. Which type of combination is used to prepare animal glue?
a) Extract from chemical milk curd
b) skin, bone, acid and water
c) Some white powder mixed with water
d) Adding alkali to meat blood
Answer- b
119. Which material is used to prepare vegetable gum?
a) Starch obtained from roots with acid
b) Skin, bone, acid and water
c) Mixing alkali with meat or blood
d) Some white powder mixed with water
Answer- a
a) Acacia
b) Teak
c) Mango
d) Bamboo
Answer- d
116. What is the use of bench hook in carpentry work ?
a) To hold the job while sawing
b) To hold the job while pasting
c) To hold the job for drilling
d) to hold the job for rimming
Answer- a
117. What is the use of clamps used in carpentry work?
a) To press
b) for pasting
c) for tightening
d) To lock
Answer- b
118. Which type of combination is used to prepare animal glue?
a) Extract from chemical milk curd
b) skin, bone, acid and water
c) Some white powder mixed with water
d) Adding alkali to meat blood
Answer- b
119. Which material is used to prepare vegetable gum?
a) Starch obtained from roots with acid
b) Skin, bone, acid and water
c) Mixing alkali with meat or blood
d) Some white powder mixed with water
Answer- a
120. What is organic flux?
a) hydrochloric acid b) zinc chloride
c) Ammonium chloride d) tallow
Answer- d
121. Which type of solder is used for soldering thick metals?
a) soft solder
b) hard solder
c) Carsey Solder
d) fine solder
Answer- b
122. Soft solder is an alloy of?
a) Lead and Copper
b) lead and bronze
c) Lead and Silver
d) Lead and Tin
Answer- d
123. What is the melting temperature of filler rod used for soldering iron and its alloys?
a) 840
0
C to 920
0
C
b) 8500
C to 940
0
C
c) 860
0
C to 950
0
C
d ) 880
0C
to 960
0C
Ans. c
124. Why is the cylinder key not removed from the cylinder during welding?
a) this is also for work
b) It helps to quickly shut off the cylinder in case of an emergency
c) It is used for balancing regulator operation
d) It can be used as a small hammer
Answer- b
125. What will be the effect if oxygen and acetylene regulators are interchanged in cylinders?
a) Spanner may be damaged
b) Threads may be damaged
c) Hose is damaged
d) Regulator is set properly
Answer- b
a) hydrochloric acid b) zinc chloride
c) Ammonium chloride d) tallow
Answer- d
121. Which type of solder is used for soldering thick metals?
a) soft solder
b) hard solder
c) Carsey Solder
d) fine solder
Answer- b
122. Soft solder is an alloy of?
a) Lead and Copper
b) lead and bronze
c) Lead and Silver
d) Lead and Tin
Answer- d
123. What is the melting temperature of filler rod used for soldering iron and its alloys?
a) 840
0
C to 920
0
C
b) 8500
C to 940
0
C
c) 860
0
C to 950
0
C
d ) 880
0C
to 960
0C
Ans. c
124. Why is the cylinder key not removed from the cylinder during welding?
a) this is also for work
b) It helps to quickly shut off the cylinder in case of an emergency
c) It is used for balancing regulator operation
d) It can be used as a small hammer
Answer- b
125. What will be the effect if oxygen and acetylene regulators are interchanged in cylinders?
a) Spanner may be damaged
b) Threads may be damaged
c) Hose is damaged
d) Regulator is set properly
Answer- b
126. What is the reason for cleaning the metal surface before soldering?
a) Keep the surface bright
b) Easy handling of soldering iron
c) Solder will never stick to a dirty surface
d) For proper absorption of heat
Answer- c
127. How is a good solder joint obtained?
a) use solder with higher melting point
b) Clean up the metal edges
c) Select the correct solder and flux
d) Use solder with low melting point
Answer- c
128. IS 12269 What is the grade of ordinary Portland cement as per the standards? [July 2016]
a) 33 grade
b) 43 grade
c) 53 grades
d) 63 grade
Answer- c
129. What is the type of scaffolding?
a) Independent scaffolding b) Dependent scaffolding
c) Ladder scaffolding d) Needle scaffolding
Answer- c
a) Keep the surface bright
b) Easy handling of soldering iron
c) Solder will never stick to a dirty surface
d) For proper absorption of heat
Answer- c
127. How is a good solder joint obtained?
a) use solder with higher melting point
b) Clean up the metal edges
c) Select the correct solder and flux
d) Use solder with low melting point
Answer- c
128. IS 12269 What is the grade of ordinary Portland cement as per the standards? [July 2016]
a) 33 grade
b) 43 grade
c) 53 grades
d) 63 grade
Answer- c
129. What is the type of scaffolding?
a) Independent scaffolding b) Dependent scaffolding
c) Ladder scaffolding d) Needle scaffolding
Answer- c
130. What is this tool used for masonry work?
a) Mason trowel
b) Classes of Masons
c) Plumb bob
d) wooden peg
Answer- c
131. Which type of bricks are used in the construction of bridges, storage buildings etc.?
a) solid bricks
b) Perforated bricks
c) Heavy bricks
d) Fire bricks
Answer- c
132. Which flexible material is heated and spread over bedding or walls and used as a
waterproofing compound?
a) Copper plates
b) hot bitumen
c) Bricks
d) gramite
Answer- b
a) Mason trowel
b) Classes of Masons
c) Plumb bob
d) wooden peg
Answer- c
131. Which type of bricks are used in the construction of bridges, storage buildings etc.?
a) solid bricks
b) Perforated bricks
c) Heavy bricks
d) Fire bricks
Answer- c
132. Which flexible material is heated and spread over bedding or walls and used as a
waterproofing compound?
a) Copper plates
b) hot bitumen
c) Bricks
d) gramite
Answer- b
133. What is the percentage of strength left in cement after 3 months of storage?
a) 48%
b) 60%
c) 75%
d) 85%
Answer- d
134. What is the sequence for setting up a building?
a) marking the third line of the building
b) Diagonal distance between profile marks is being verified
c) Fourth line marking of the building
d) fence marking
Answer- b
135. What is the name of the part marked 'x' in a mason's trowel?
a) Frog
b) Heel
c) Cone
d) ferrule
Answer- b
136. What is the name of the part marked 'x'?
a) Yolk
b) Fixed jaw
c) Holding part
d) Movable jaw
Answer: a
a) 48%
b) 60%
c) 75%
d) 85%
Answer- d
134. What is the sequence for setting up a building?
a) marking the third line of the building
b) Diagonal distance between profile marks is being verified
c) Fourth line marking of the building
d) fence marking
Answer- b
135. What is the name of the part marked 'x' in a mason's trowel?
a) Frog
b) Heel
c) Cone
d) ferrule
Answer- b
136. What is the name of the part marked 'x'?
a) Yolk
b) Fixed jaw
c) Holding part
d) Movable jaw
Answer: a
137. What is the largest diameter of pipe that can be accommodated in a chain pipe vice?
a) 125mmb
b) 150mmb
c) 175mm
d) 200mm
Ans. d
138. Which tool is used to clean and sharpen the jaws of a pipe wrench?
a) flat file
b) rasp file
c) Triangular file
d) Half round file
Answer- c
139. What is the name of the part marked 'x' in die stock?
a) pipe guide lever
b) Die setting lever
c) Adjustment lever
d) Top piece tightening lever
Answer- c
140. What is the name of die stock?
a) Quick Cut Die Stock
b) Button pattern stock
c) ratchet type die stock
d) adjusting screw die stock
Answer- b
a) 125mmb
b) 150mmb
c) 175mm
d) 200mm
Ans. d
138. Which tool is used to clean and sharpen the jaws of a pipe wrench?
a) flat file
b) rasp file
c) Triangular file
d) Half round file
Answer- c
139. What is the name of the part marked 'x' in die stock?
a) pipe guide lever
b) Die setting lever
c) Adjustment lever
d) Top piece tightening lever
Answer- c
140. What is the name of die stock?
a) Quick Cut Die Stock
b) Button pattern stock
c) ratchet type die stock
d) adjusting screw die stock
Answer- b
141. What is used to wash away small particles of dirt in a chain pipe cutter?
a) light oil b) petrol c) kerosene d) turpentine
Answer- c
142. What type of swaging tool is used for copper tubing?
a) Punch type
b) Lever type
c) extended type
d) Mandrel type
Answer- a
143. Which flux is used for refrigeration fittings?
a) Follow
b) Phosphoric
c) Hydrochloric acid
d) alcohol and resin
Answer- d
144. What is the working pressure usually applied to joints for pressure testing?
a) 5kg/
cm2
b) 6kg/cm2
c) 8kg/
cm2
d) 10kg/ cm
2
Ans. d
145. What is the name of the fitting?
a) Tee fitting b) Cross c) Elbow d) Union coupling
Answer- b
a) light oil b) petrol c) kerosene d) turpentine
Answer- c
142. What type of swaging tool is used for copper tubing?
a) Punch type
b) Lever type
c) extended type
d) Mandrel type
Answer- a
143. Which flux is used for refrigeration fittings?
a) Follow
b) Phosphoric
c) Hydrochloric acid
d) alcohol and resin
Answer- d
144. What is the working pressure usually applied to joints for pressure testing?
a) 5kg/
cm2
b) 6kg/cm2
c) 8kg/
cm2
d) 10kg/ cm
2
Ans. d
145. What is the name of the fitting?
a) Tee fitting b) Cross c) Elbow d) Union coupling
Answer- b
146. What is the name of the part marked 'x' in hydraulic bending machine?
a) Back former
b) Inner former
c) Hydraulic former
Base plate
Ans.b
147. What is the name of the part marked 'x' in hydraulic bending machine?
a) Back former
b) Inner former
c) Hydraulic ram
Base plate
Ans. c
148. What is the name of the part marked 'x' in a hydraulic machine?
a) Triple stand b) Pipe stop lever
c) Handles and levers d) Inside former
Answer- b
a) Back former
b) Inner former
c) Hydraulic former
Base plate
Ans.b
147. What is the name of the part marked 'x' in hydraulic bending machine?
a) Back former
b) Inner former
c) Hydraulic ram
Base plate
Ans. c
148. What is the name of the part marked 'x' in a hydraulic machine?
a) Triple stand b) Pipe stop lever
c) Handles and levers d) Inside former
Answer- b
149. What is the name of the symbol as per IS?
a) stop valve
b) Safety valve
c) Mixing valve
d) Pump
Answer- d
150. What is the name of the part marked 'x'?
a) grooved rollers
b) cutting wheel
c) Reamer blade
d) tightening knob
Answer- b
151. What is the name of the part marked 'x'?
a) degree of band b) gain scale
c) Bending tool d) Clamp
Answer- b
a) stop valve
b) Safety valve
c) Mixing valve
d) Pump
Answer- d
150. What is the name of the part marked 'x'?
a) grooved rollers
b) cutting wheel
c) Reamer blade
d) tightening knob
Answer- b
151. What is the name of the part marked 'x'?
a) degree of band b) gain scale
c) Bending tool d) Clamp
Answer- b
152. What is the cutting angle of a chisel for chipping cast iron?
a) 37.5
0
b) 55
0
c) 60
0
d) 90
0
Ans. c
153. Which gives the biggest flame?
a) Propane torch b) Acetylene torch c) Kerosene blow lamp d) Oxy-acetylene torch
Answer- c
154. What is the reason for the drop in gauge pressure during pressure testing of flare joints?
a) Leak b) Buckle c) Dent d) Bent
Answer: a
155. What is the name of the part marked 'x'?
a) Roller wheel
b) cutting wheel
c) moving reel
d) Fixed wheel
Answer- a
156. Which pipe is mostly used to carry cold water?
a) PVC pipe
b) Steel pipe
c) Copper pipes
d) lead pipe
Answer- a
157. What is the maximum temperature that PVC pipes can withstand?
a ) 140
0F
b ) 150
0F
c ) 160
0F
d ) 170
0F
Answer: a
158. What is the maximum temperature upto which CPVC pipe can withstand heat?
a) 160
0
F
b ) 190
0
F
Ans. b
a) 37.5
0
b) 55
0
c) 60
0
d) 90
0
Ans. c
153. Which gives the biggest flame?
a) Propane torch b) Acetylene torch c) Kerosene blow lamp d) Oxy-acetylene torch
Answer- c
154. What is the reason for the drop in gauge pressure during pressure testing of flare joints?
a) Leak b) Buckle c) Dent d) Bent
Answer: a
155. What is the name of the part marked 'x'?
a) Roller wheel
b) cutting wheel
c) moving reel
d) Fixed wheel
Answer- a
156. Which pipe is mostly used to carry cold water?
a) PVC pipe
b) Steel pipe
c) Copper pipes
d) lead pipe
Answer- a
157. What is the maximum temperature that PVC pipes can withstand?
a ) 140
0F
b ) 150
0F
c ) 160
0F
d ) 170
0F
Answer: a
158. What is the maximum temperature upto which CPVC pipe can withstand heat?
a) 160
0
F
b ) 190
0
F
Ans. b
159. What is the temperature range of heating equipment used in the plastic welding process?
a) 50-100
0C
b) 200-370
0
C
c) 400-470
0
C
d ) 600-670
0C
Ans.b
160. What is the name of PVC joint?
a) reducing sockets
b) bend 45
0
c) union elbow
d) barrel nipple
Answer- c
161.Which has an external pipe thread end and is used for fitting into a socket?
a) Bend
b) Elbow
c) Tea
d) Plug
Answer- d
162. What is the name of the joint?
a) Band
b) offset
c) Double band
d) reducer elbow
Answer- b
a) 50-100
0C
b) 200-370
0
C
c) 400-470
0
C
d ) 600-670
0C
Ans.b
160. What is the name of PVC joint?
a) reducing sockets
b) bend 45
0
c) union elbow
d) barrel nipple
Answer- c
161.Which has an external pipe thread end and is used for fitting into a socket?
a) Bend
b) Elbow
c) Tea
d) Plug
Answer- d
162. What is the name of the joint?
a) Band
b) offset
c) Double band
d) reducer elbow
Answer- b
163. Give two advantages of PVC pipes?
a) Durable and rust free
b) Light weight and economical
c) Light weight and rust free
d) durable and economical
Answer- c
164. Which polymer is used for cable coating?
a) Poly Propylene
b) Low density poly ethylene
c) High Density Poly Ethylene
d) Poly Vinyl Chloride
Answer- d
165. Which process is used for PVC welding in the absence of electric power supply?
a) hot tool welding
b) hot gas welding
c) Arc welding
d) spot welding
Answer- b
166. What is done before fitting PVC pipes to the wall with wooden plugs and clamps?
a) Check for proper size
b) Clean the pipe from inside
c) Align the pipe
d) Check the luggage
Answer- c
167. What is the name of the part marked 'x' in PVC flanged joint?
a) metal flange
b) Rubber gasket
c) PVC vanes
d) tail piece
Answer- b
a) Durable and rust free
b) Light weight and economical
c) Light weight and rust free
d) durable and economical
Answer- c
164. Which polymer is used for cable coating?
a) Poly Propylene
b) Low density poly ethylene
c) High Density Poly Ethylene
d) Poly Vinyl Chloride
Answer- d
165. Which process is used for PVC welding in the absence of electric power supply?
a) hot tool welding
b) hot gas welding
c) Arc welding
d) spot welding
Answer- b
166. What is done before fitting PVC pipes to the wall with wooden plugs and clamps?
a) Check for proper size
b) Clean the pipe from inside
c) Align the pipe
d) Check the luggage
Answer- c
167. What is the name of the part marked 'x' in PVC flanged joint?
a) metal flange
b) Rubber gasket
c) PVC vanes
d) tail piece
Answer- b
168. Which fitting is used to join one length of PVC pipe to another for continuity?
a) tee b) reducer c) socket d) elbow
Answer- c
169. What is the name of the arrangement in the water supply system?
a) Pumping system
b) gravitational system
c) Dual system
d) Sustainable system
Answer- b
170. What is the name of the arrangement in the water supply system?
a) Pumping system
b) gravitational system
c) Dual system
d) Sustainable system
Answer- a
171. Which water distribution system is this?
a) Radial system b) Grid iron system
c) circle or ring system d) tree dead end system
Answer- b
a) tee b) reducer c) socket d) elbow
Answer- c
169. What is the name of the arrangement in the water supply system?
a) Pumping system
b) gravitational system
c) Dual system
d) Sustainable system
Answer- b
170. What is the name of the arrangement in the water supply system?
a) Pumping system
b) gravitational system
c) Dual system
d) Sustainable system
Answer- a
171. Which water distribution system is this?
a) Radial system b) Grid iron system
c) circle or ring system d) tree dead end system
Answer- b
172. Which water distribution system is this?
a) Radial system
b) Grid iron system
c) circle and ring system
d) Tree or dead end system
Answer- d
173. Which test is done to detect the hardness of water?
a) Physical test
b) Chemical tests
c) Bacterial test
d) Zeolite test
Answer- b
174. What is the process of preparing water for industrial purpose?
a) Lime Soda
b) Zeolite process
c) Demineralisation process
d) Reverse Osmosis process
Answer- c
175. Which water supply distribution system is suitable for irregularly growing cities?
a) Radial system
b) Grid iron system
c) circle or ring system
d) Tree or dead end system
Answer- d
176. What is the colour of pure water? [ July 2016]
a) white b) blue
c) green d) colorless
Answer- d
a) Radial system
b) Grid iron system
c) circle and ring system
d) Tree or dead end system
Answer- d
173. Which test is done to detect the hardness of water?
a) Physical test
b) Chemical tests
c) Bacterial test
d) Zeolite test
Answer- b
174. What is the process of preparing water for industrial purpose?
a) Lime Soda
b) Zeolite process
c) Demineralisation process
d) Reverse Osmosis process
Answer- c
175. Which water supply distribution system is suitable for irregularly growing cities?
a) Radial system
b) Grid iron system
c) circle or ring system
d) Tree or dead end system
Answer- d
176. What is the colour of pure water? [ July 2016]
a) white b) blue
c) green d) colorless
Answer- d
177. Which bicarbonate causes temporary hardness of water?
a) sulfate b) calcium and magnesium c) chloride d) nitrate
Answer- b
178. What is the name of the part marked 'x'?
a) Jack well
b) Infiltration well
c) Intake well
d) Inspection well
Answer: a
179. What is the name of the part marked 'x'?
a) Weep holes
b) Infiltration gallery
c) River
d) Flow of ground water
Ans.b
180. What is the name of the part marked 'x'?
a) tee b) cross c) elbow d) coupling
Answer- a
a) sulfate b) calcium and magnesium c) chloride d) nitrate
Answer- b
178. What is the name of the part marked 'x'?
a) Jack well
b) Infiltration well
c) Intake well
d) Inspection well
Answer: a
179. What is the name of the part marked 'x'?
a) Weep holes
b) Infiltration gallery
c) River
d) Flow of ground water
Ans.b
180. What is the name of the part marked 'x'?
a) tee b) cross c) elbow d) coupling
Answer- a
181. Which type of pipe is very difficult to repair?
a) PVC pipe
b) CPVC pipe
c) UPVC pipe
d) Concrete pipes
Ans. d
182. Which pipe has the property of brittleness?
a) Mild steel
b) Polyvinyl chloride
c) asbestos cement
d) Steel
Ans. c
183. What is the name of the part marked X?
a) Flange
b) Collar
c) Socket
Pipes
Answer- c
184. Which type of joint is used to join large diameter concrete and asbestos cement pipes?
a) flanged joint
b) screwed joint
c) Collar joint
d) Lead caulking joint
Answer- c
185. What type of flux is used for soldering steel sheets?
a) Resins
b) Zinc Chloride
c) Hydrochloric acid
d) Ammonium chloride
Answer- d
a) PVC pipe
b) CPVC pipe
c) UPVC pipe
d) Concrete pipes
Ans. d
182. Which pipe has the property of brittleness?
a) Mild steel
b) Polyvinyl chloride
c) asbestos cement
d) Steel
Ans. c
183. What is the name of the part marked X?
a) Flange
b) Collar
c) Socket
Pipes
Answer- c
184. Which type of joint is used to join large diameter concrete and asbestos cement pipes?
a) flanged joint
b) screwed joint
c) Collar joint
d) Lead caulking joint
Answer- c
185. What type of flux is used for soldering steel sheets?
a) Resins
b) Zinc Chloride
c) Hydrochloric acid
d) Ammonium chloride
Answer- d
186. Which type of flux is used for soldering copper sheets?
a) Ammonia chloride
b) Zinc Chloride
c) Resins
d) Hydrochloric acid
Answer- c
187. Which pipe is banned in many countries from health point of view?
a) Steel
b) Cast iron
c) Asbestos cement
d) galvanised iron
Answer- c
188. What is the ratio of cement and sand for making mortar in concrete pipe collar joint?
a) 1:0
b) 1:1
c) 1:2
d) 1:3
Ans.b
189. What type of joints are used for pipes subjected to severe changes in temperature?
a) flanged joints
b) Expansion joints
c) screwed joints
d) adhesive joints
Answer- b
190. Which type of joints are not used to prevent vibration or deflection of pipes?
a) Collar joint
b) rubber ring joint
c) Expansion joint
d) flanged joint
Answer- d
191. Which joint is used in temporary pipe lines?
a) flanged joint b) collar joint
c) Expansion joint d) Bell and spigot joint
Answer- a
a) Ammonia chloride
b) Zinc Chloride
c) Resins
d) Hydrochloric acid
Answer- c
187. Which pipe is banned in many countries from health point of view?
a) Steel
b) Cast iron
c) Asbestos cement
d) galvanised iron
Answer- c
188. What is the ratio of cement and sand for making mortar in concrete pipe collar joint?
a) 1:0
b) 1:1
c) 1:2
d) 1:3
Ans.b
189. What type of joints are used for pipes subjected to severe changes in temperature?
a) flanged joints
b) Expansion joints
c) screwed joints
d) adhesive joints
Answer- b
190. Which type of joints are not used to prevent vibration or deflection of pipes?
a) Collar joint
b) rubber ring joint
c) Expansion joint
d) flanged joint
Answer- d
191. Which joint is used in temporary pipe lines?
a) flanged joint b) collar joint
c) Expansion joint d) Bell and spigot joint
Answer- a
192. Which instrument is used for filling lead in CI collar joint?
a) chisel
b) caulking tool
c) Trowel
d) Screw driver
Answer- b
193. Why are sewer pipes not laid directly on the soil in a trench?
a) Increase in pipe life
b) change in diameter of pipe
c) pipe alignment change
d) life of the joint is reduced
Answer- c
194. 90
0
Which pipe fitting is used to join two pipes of different diameters at an angle of ?
a) Coupling
b) reducer coupling
c) reducer elbow
d) reducer tee
Answer- c
195. Which tightens the expansion joint?
a) Solvent cement
b) Elastic rubber
c) Hemp yarn
d) Molten Lead
Answer- b
196. What movement occurs at the socket end of an expansion joint when the pipe is expanded?
a) no movement
b) turns backwards
c) moves forward
d) both ends move
Answer- c
197. Which pump is operated by compressed air?
a) Old pump b) Rotary pump c) Air lift pump d) Booster pump
Answer- c
a) chisel
b) caulking tool
c) Trowel
d) Screw driver
Answer- b
193. Why are sewer pipes not laid directly on the soil in a trench?
a) Increase in pipe life
b) change in diameter of pipe
c) pipe alignment change
d) life of the joint is reduced
Answer- c
194. 90
0
Which pipe fitting is used to join two pipes of different diameters at an angle of ?
a) Coupling
b) reducer coupling
c) reducer elbow
d) reducer tee
Answer- c
195. Which tightens the expansion joint?
a) Solvent cement
b) Elastic rubber
c) Hemp yarn
d) Molten Lead
Answer- b
196. What movement occurs at the socket end of an expansion joint when the pipe is expanded?
a) no movement
b) turns backwards
c) moves forward
d) both ends move
Answer- c
197. Which pump is operated by compressed air?
a) Old pump b) Rotary pump c) Air lift pump d) Booster pump
Answer- c
198. What is the name of the part marked as x?
a) Check valve
b) Gate valve
c) plunger valve
d) needle valve
Answer- c
199. What is fitted at the lower end of the suction pipe of a centrifugal pump?
a) Ball valve
b) Foot valve
c) jet valve
d) Air valve
Answer- b
200. Which pump removes mud, silt etc. from water?
a) Air lift pump
b) Reciprocating pump
c) Rotary Pump
d) Compressor Pump
Answer- d
201. Which water supply distribution system divides an area of a city into square or circular
sections?
a) Tree system
b) Ring system
c) Radial system
d) Grid Iron System
Answer- b
a) Check valve
b) Gate valve
c) plunger valve
d) needle valve
Answer- c
199. What is fitted at the lower end of the suction pipe of a centrifugal pump?
a) Ball valve
b) Foot valve
c) jet valve
d) Air valve
Answer- b
200. Which pump removes mud, silt etc. from water?
a) Air lift pump
b) Reciprocating pump
c) Rotary Pump
d) Compressor Pump
Answer- d
201. Which water supply distribution system divides an area of a city into square or circular
sections?
a) Tree system
b) Ring system
c) Radial system
d) Grid Iron System
Answer- b
202. What is the vertical distance between the pump and outlet?
a) suction head b) delivery head c) prime head d) total head
Answer- b
203. What is the part marked as x in a water tap?
a) valve seat
b) spindle
c) Packing washer
d) Disc holder
Answer- c
204. Which type of centrifugal pump does not require priming?
a) Mono block pump
b) Jet Pump
c) Cradle Pump
d) Submersible Pump
Answer- d
205. What is the maximum suction limit for a hand pump?
a) 8 meters
b) 10 meters
c) 6 meters
d) 4 metres
Answer- c
206. What is the disadvantage of a centrifugal pump?
a) Electrically operated
b) Requires priming
c) Easy to repair
d) No suction limit
Answer- b
a) suction head b) delivery head c) prime head d) total head
Answer- b
203. What is the part marked as x in a water tap?
a) valve seat
b) spindle
c) Packing washer
d) Disc holder
Answer- c
204. Which type of centrifugal pump does not require priming?
a) Mono block pump
b) Jet Pump
c) Cradle Pump
d) Submersible Pump
Answer- d
205. What is the maximum suction limit for a hand pump?
a) 8 meters
b) 10 meters
c) 6 meters
d) 4 metres
Answer- c
206. What is the disadvantage of a centrifugal pump?
a) Electrically operated
b) Requires priming
c) Easy to repair
d) No suction limit
Answer- b
207. What is the maximum suction depth of an airlift pump?
a) 6 m b) 8 m c) 80 m d) 150 m
Answer- d
208. What is the advantage of monoblock pump set?
a) Small dimensions and weight
b) Increase in size and weight
c) No suction limit
d) No cost
Answer- a
209. Where is the suction pipe connected to a pump?
a) Inlet
b) Outlet
c) prime mover
d) Impeller
Answer- a
210. What is the suction limit of a centrifugal pump?
a) 8.5 meters
b) 7.9 meters
c) 9.7 meters
d) 5.8 metres
Answer- b
211. Which water supply distribution system is used for planned cities with rectangular pattern
roads?
a) Tree system
b) Ring system
c) Radial system
d) Grid Iron System
Answer- d
212. Which system is used for distribution of pumped water directly to achieve required pressure?
a) Gravity system
b) Direct pumping system
c) Dual system
d) Radial system
Answer- b
a) 6 m b) 8 m c) 80 m d) 150 m
Answer- d
208. What is the advantage of monoblock pump set?
a) Small dimensions and weight
b) Increase in size and weight
c) No suction limit
d) No cost
Answer- a
209. Where is the suction pipe connected to a pump?
a) Inlet
b) Outlet
c) prime mover
d) Impeller
Answer- a
210. What is the suction limit of a centrifugal pump?
a) 8.5 meters
b) 7.9 meters
c) 9.7 meters
d) 5.8 metres
Answer- b
211. Which water supply distribution system is used for planned cities with rectangular pattern
roads?
a) Tree system
b) Ring system
c) Radial system
d) Grid Iron System
Answer- d
212. Which system is used for distribution of pumped water directly to achieve required pressure?
a) Gravity system
b) Direct pumping system
c) Dual system
d) Radial system
Answer- b
213. Where is stop cock fitted in the pipeline?
a) in the middle b) at the end c) near the gate valve d) near the air valve
Answer- a
214. Which valve allows flow in only one direction?
a) Check valve
b) globe valve
c) float valve
d) Air valve
Answer- a
215. Which valve is used in high pressure applications?
a) Gate valve
b) globe valve
c) needle valve
d) float valve
Answer- c
216. Which valve is used to remove mud and silt from the reservoir?
a) scour valve
b) mud valve
c) Sluice valve
d) Gate valve
Answer- b
217. What is the main criteria for fixing a booster pump?
a) excess pressure
b) insufficient pressure
c) High suction head
d) large supply lines
Answer- b
218. Why is it necessary to fix a non-return valve in the vertical delivery line of a pump?
a) To avoid withdrawal pressure
b) To control the delivery pressure
c) To release excessive pressure
d) to remove air
Answer- a
a) in the middle b) at the end c) near the gate valve d) near the air valve
Answer- a
214. Which valve allows flow in only one direction?
a) Check valve
b) globe valve
c) float valve
d) Air valve
Answer- a
215. Which valve is used in high pressure applications?
a) Gate valve
b) globe valve
c) needle valve
d) float valve
Answer- c
216. Which valve is used to remove mud and silt from the reservoir?
a) scour valve
b) mud valve
c) Sluice valve
d) Gate valve
Answer- b
217. What is the main criteria for fixing a booster pump?
a) excess pressure
b) insufficient pressure
c) High suction head
d) large supply lines
Answer- b
218. Why is it necessary to fix a non-return valve in the vertical delivery line of a pump?
a) To avoid withdrawal pressure
b) To control the delivery pressure
c) To release excessive pressure
d) to remove air
Answer- a
219. In which part of the basin is the hot water connection made when both hot and cold water
supply is available?
a) midwife and
b) to the left
c) Front
d) In the middle
Answer- b
220. Which type of suspended organic impurities in well water cause disease?
a) Bacteria
b) Clay soil
c) Algae
d) Silt
Answer- a
221. Which dissolved impurities cause the smell of rotten eggs?
a) Oxygen
b) Hydrogen
c) carbon dioxide
d) Hydrogen sulphide
Answer- d
222. Which dissolved impurities cause mottled enamel of teeth in contaminated well water?
a) Sodium bicarbonate
b) Calcium Carbonate
c) Sodium fluoride
sodium chloride
Answer- c
223. What is the solution to fix water leakage?
a) Tighten the gland nut b) Turn off the water supply
c) Open the main gate valve d) Replace the packing material
Answer- d
supply is available?
a) midwife and
b) to the left
c) Front
d) In the middle
Answer- b
220. Which type of suspended organic impurities in well water cause disease?
a) Bacteria
b) Clay soil
c) Algae
d) Silt
Answer- a
221. Which dissolved impurities cause the smell of rotten eggs?
a) Oxygen
b) Hydrogen
c) carbon dioxide
d) Hydrogen sulphide
Answer- d
222. Which dissolved impurities cause mottled enamel of teeth in contaminated well water?
a) Sodium bicarbonate
b) Calcium Carbonate
c) Sodium fluoride
sodium chloride
Answer- c
223. What is the solution to fix water leakage?
a) Tighten the gland nut b) Turn off the water supply
c) Open the main gate valve d) Replace the packing material
Answer- d
224. Where is the air relief valve fixed in the pipeline?
a) at the lowest point
b) at the end of the pipeline
c) at the highest point
d) on depressions
Answer- c
225. What type of cover is required for the inspection chamber?
a) Cast iron light cover
b) Cast iron medium cover
c) Cast iron heavy cover
d) PVC cover
Answer- a
226. What is the size of ventilation pipe in a septic tank?
a) 100 mm
b) 125 mm
c) 150 mm
d) 175 mm
Answer- a
227. What is the distance from a gully trap to an observation chamber?
a) 5 meters
b) 6 metres
c) 7 meters
d) 8 metres
Answer- b
228. What type of fitting is used at the top of the vent pipe in a septic tank?
a) PVC coupling
b) vent cowl
c) PVC bend
d) PVC elbow
Answer- b
229. Why is a water seal provided in a gully trap?
a) Prevents entry of foul gases b) Allows water to enter freely
c) To save water quantity d) To prevent unwanted insects
Answer- a
a) at the lowest point
b) at the end of the pipeline
c) at the highest point
d) on depressions
Answer- c
225. What type of cover is required for the inspection chamber?
a) Cast iron light cover
b) Cast iron medium cover
c) Cast iron heavy cover
d) PVC cover
Answer- a
226. What is the size of ventilation pipe in a septic tank?
a) 100 mm
b) 125 mm
c) 150 mm
d) 175 mm
Answer- a
227. What is the distance from a gully trap to an observation chamber?
a) 5 meters
b) 6 metres
c) 7 meters
d) 8 metres
Answer- b
228. What type of fitting is used at the top of the vent pipe in a septic tank?
a) PVC coupling
b) vent cowl
c) PVC bend
d) PVC elbow
Answer- b
229. Why is a water seal provided in a gully trap?
a) Prevents entry of foul gases b) Allows water to enter freely
c) To save water quantity d) To prevent unwanted insects
Answer- a
230. What is the minimum standard size of a gully trap?
a) 100 x 100
b) 200 x 90
c) 100 x 80
d) 100 x 70
Answer: a
What is marked as 'x' ?
a) ¼ brick wall
b) ½ brick wall
c) ¾ Brick wall
d) 1 brick wall
Answer- b
232. What is the type of sewer system?
a) Soak pit
b) Manhole
c) Septic tank
d) Inspection chamber
Answer- b
a) 100 x 100
b) 200 x 90
c) 100 x 80
d) 100 x 70
Answer: a
What is marked as 'x' ?
a) ¼ brick wall
b) ½ brick wall
c) ¾ Brick wall
d) 1 brick wall
Answer- b
232. What is the type of sewer system?
a) Soak pit
b) Manhole
c) Septic tank
d) Inspection chamber
Answer- b
233. What is the type of flow system?
a) Manhole b) Septic tank c) Soak pit d) Cesspool
Answer- c
234. What is the name of the part marked x?
a) bib cock b) globe valve
c) Gate valve d) Cross
Answer- b
235. In which trap the depth of water seal is greater?
a) Floor trap
b) Gully Trap
c) Nahani Trap
d) intercepting traps
Answer- d
236. What is the name of the trap?
a) Intercepting trap b) Multi floor trap c) Gully trap d) Bottle trap
Answer- b
a) Manhole b) Septic tank c) Soak pit d) Cesspool
Answer- c
234. What is the name of the part marked x?
a) bib cock b) globe valve
c) Gate valve d) Cross
Answer- b
235. In which trap the depth of water seal is greater?
a) Floor trap
b) Gully Trap
c) Nahani Trap
d) intercepting traps
Answer- d
236. What is the name of the trap?
a) Intercepting trap b) Multi floor trap c) Gully trap d) Bottle trap
Answer- b
237. What is the name of the trap?
a) Intercepting trap b) Bottle trap c) Gulli trap d) Nahani trap
Answer- d
238. Which pipeline is connected to the storm water sewer in the drainage system layout?
a) Ventilation pipe b) Waste pipe c) Sanitary pipe d) Rain water pipe
Answer- d
239. What is the instrument to measure the quantity of flow through a pipeline?
a) odometer b) anemometer c) Clinometer d) Watermeter
Answer- d
240. What tests are done in waste water pipeline?
a) Water test b) Smell test c) Pneumatic test d) Chemical test
Answer- c
a) Intercepting trap b) Bottle trap c) Gulli trap d) Nahani trap
Answer- d
238. Which pipeline is connected to the storm water sewer in the drainage system layout?
a) Ventilation pipe b) Waste pipe c) Sanitary pipe d) Rain water pipe
Answer- d
239. What is the instrument to measure the quantity of flow through a pipeline?
a) odometer b) anemometer c) Clinometer d) Watermeter
Answer- d
240. What tests are done in waste water pipeline?
a) Water test b) Smell test c) Pneumatic test d) Chemical test
Answer- c
241. What is the type of pipe leak testing equipment?
a) hydrotester b) manotester
c) Smoke generator d) Pungent chemical container
Answer- c
242. What is the test for checking the straightness of a sewer pipe, by the reflection of light, by
placing a lamp at one end and a transom at the other?
a) Smoke test b) Air test
c) Water test d) Mirror test
Answer- d
243. What is the purpose of an inspection chamber in a home drainage system?
Maintenance
b) Firefighting
c) Pumping
d) Obstructions
Answer- a
244. How are wastes disposed of in a septic tank?
a) Waste pipe
b) Jack Well
c) Soak pit
d) Soil pipe
Answer- c
245. Which test is appropriate for a new underground sewer pipe?
a) Smoke test b) Water test
c) Short test d) Air test
Answer- b
a) hydrotester b) manotester
c) Smoke generator d) Pungent chemical container
Answer- c
242. What is the test for checking the straightness of a sewer pipe, by the reflection of light, by
placing a lamp at one end and a transom at the other?
a) Smoke test b) Air test
c) Water test d) Mirror test
Answer- d
243. What is the purpose of an inspection chamber in a home drainage system?
Maintenance
b) Firefighting
c) Pumping
d) Obstructions
Answer- a
244. How are wastes disposed of in a septic tank?
a) Waste pipe
b) Jack Well
c) Soak pit
d) Soil pipe
Answer- c
245. Which test is appropriate for a new underground sewer pipe?
a) Smoke test b) Water test
c) Short test d) Air test
Answer- b
246. What is the benefit of air testing?
a) Low cost
b) more water is needed
c) Easy repair
d) same pressure in all parts
Answer- d
247. What is the test to check for any obstruction inside a pipe by inserting a smooth circular object
to pass through it?
a) Air testing
b) Ball test
c) Water testing
d) Smoke testing
Answer- b
248. Who regulates unaughorised connections in a pipeline?
a) low water pressure
b) Metering supply system
c) Poor joints and connections
d) increase water pressure
Answer- b
249. What is the cause of leakage in pipeline?
a) Metering supply system
b) low water pressure
c) Intermittent supply system
d) Poor joints and connections
Answer- d
250. What is the reason for increase in leakage in water supply system?
a) excess water pressure
b) Correct joints and connections
c) Intermittent water supply
d) Metering water connection
Answer- a
251. What type of thread is made on the pipe?
a) BSP b) BSW
c) BA d) BP
Answer: a
a) Low cost
b) more water is needed
c) Easy repair
d) same pressure in all parts
Answer- d
247. What is the test to check for any obstruction inside a pipe by inserting a smooth circular object
to pass through it?
a) Air testing
b) Ball test
c) Water testing
d) Smoke testing
Answer- b
248. Who regulates unaughorised connections in a pipeline?
a) low water pressure
b) Metering supply system
c) Poor joints and connections
d) increase water pressure
Answer- b
249. What is the cause of leakage in pipeline?
a) Metering supply system
b) low water pressure
c) Intermittent supply system
d) Poor joints and connections
Answer- d
250. What is the reason for increase in leakage in water supply system?
a) excess water pressure
b) Correct joints and connections
c) Intermittent water supply
d) Metering water connection
Answer- a
251. What type of thread is made on the pipe?
a) BSP b) BSW
c) BA d) BP
Answer: a
252. What is the angle of BSP pipe thread?
a) 55
0
b) 60
0
c) 65
0
d) 50
0
Answer: a
What is meant by BSP thread?
a) Both standard pipe thread
b) British Standard pipe thread
c) British Specified pipe thread
d) British Stated pipe thread
Ans.b
254. What is the standard height from the floor to the top of a sink?
a) 80 cm
b) 95 cm
c) 100 cm
d) 105 cm
Answer: a
255. What is the size of the waste fitting in a bathtub?
a) 40mm
b) 50mm.
c) 60mm
d) 70mm
Answer: a
256. What is the diameter of the waste pipe in the washbasin?
a) 32mm
b) 40mm
c) 50mm
d) 62mm
Answer: a
What is the name of the rice marked as “x” ?
a) Mixer tap b) Bib tap c) Push tap d) Plug tap
Answer- a
a) 55
0
b) 60
0
c) 65
0
d) 50
0
Answer: a
What is meant by BSP thread?
a) Both standard pipe thread
b) British Standard pipe thread
c) British Specified pipe thread
d) British Stated pipe thread
Ans.b
254. What is the standard height from the floor to the top of a sink?
a) 80 cm
b) 95 cm
c) 100 cm
d) 105 cm
Answer: a
255. What is the size of the waste fitting in a bathtub?
a) 40mm
b) 50mm.
c) 60mm
d) 70mm
Answer: a
256. What is the diameter of the waste pipe in the washbasin?
a) 32mm
b) 40mm
c) 50mm
d) 62mm
Answer: a
What is the name of the rice marked as “x” ?
a) Mixer tap b) Bib tap c) Push tap d) Plug tap
Answer- a
258. What is the name of the part marked as x?
a) Floor trap b) Bottle trap
c) Gully Trap d) Running Trap
Answer- b
259. What is the minimum depth of water seal in a water closet?
a) 100 mm
b) 80mm
c) 70mm
d) 50mm
Ans. d
260. What is this piping system in drainage plumbing called?
a) one pipe system
b) two pipe system
c) Single stack system (Western type)
d) Partially ventilated single stack system
Answer- c
a) Floor trap b) Bottle trap
c) Gully Trap d) Running Trap
Answer- b
259. What is the minimum depth of water seal in a water closet?
a) 100 mm
b) 80mm
c) 70mm
d) 50mm
Ans. d
260. What is this piping system in drainage plumbing called?
a) one pipe system
b) two pipe system
c) Single stack system (Western type)
d) Partially ventilated single stack system
Answer- c
261. What is the name of the part marked as x?
a) Inlet pipe b) Overflow c) Scour outlet d) Water level indicator
Answer- b
262. What type of water tank is this?
a) Sump b) Over head tank
c) Horizontal cylindrical tank d) Rotational moulded polyethylene storage tank
Answer- d
263. What is the name of the part marked as x?
a) inlet pipe b) overflow c) lightening arrester d) Water level indicator
Answer- c
a) Inlet pipe b) Overflow c) Scour outlet d) Water level indicator
Answer- b
262. What type of water tank is this?
a) Sump b) Over head tank
c) Horizontal cylindrical tank d) Rotational moulded polyethylene storage tank
Answer- d
263. What is the name of the part marked as x?
a) inlet pipe b) overflow c) lightening arrester d) Water level indicator
Answer- c
264. What is the minimum depth of trench for laying PVC pipes?
a) 90 cm b) 80 cm c) 70 cm d) 60 cm
Answer: a
265. What is the name of the part marked X?
a) Collar b) PVC pipe
c) Thrust block d) Rubber sheet
Answer- a
266. What is the name of pipe fitting?
a) Coupling
b) Elbow
c) Tea
d) Union
Answer- a
267. What type of pipe fitting is used to connect service pipes and water mains?
a) Coupling
b) Elbow
c) ferrule
d) reducer coupling
Answer- c
268. Which instrument is used to gauge the internal thread of a pipe?
a) Pipe plug thread gauge b) Pipe ring thread gauge
c) Pipe meter gauge d) Slip gauge
Answer- a
a) 90 cm b) 80 cm c) 70 cm d) 60 cm
Answer: a
265. What is the name of the part marked X?
a) Collar b) PVC pipe
c) Thrust block d) Rubber sheet
Answer- a
266. What is the name of pipe fitting?
a) Coupling
b) Elbow
c) Tea
d) Union
Answer- a
267. What type of pipe fitting is used to connect service pipes and water mains?
a) Coupling
b) Elbow
c) ferrule
d) reducer coupling
Answer- c
268. Which instrument is used to gauge the internal thread of a pipe?
a) Pipe plug thread gauge b) Pipe ring thread gauge
c) Pipe meter gauge d) Slip gauge
Answer- a
269. What is the minimum capacity of an automatic flushing cistern?
a) 15 litres b) 10 litres
c) 5 litres d) 2 litres
Answer- c
270. Which fixture is used for washing hands and face?
a) Bath tub
b) Wash basin
c) Kitchen sink
d) Flushing cistern
Answer- b
271. What is fixed with European closets for washing the body after use?
a) Pillar tap
b) Hand shower
c) Flushing cistern
d) health faucet
Answer- d
272. Which trap prevents the entry of foul gases from the municipal sewer into the household
drainage system?
a) Gully Trap
b) Floor trap
c) Bottle trap
d) intercepting traps
Answer- d
273. What is marked as 'x'?
a) Filtration pit b) Water table c) Recharge well d) Underground well
Answer- a
a) 15 litres b) 10 litres
c) 5 litres d) 2 litres
Answer- c
270. Which fixture is used for washing hands and face?
a) Bath tub
b) Wash basin
c) Kitchen sink
d) Flushing cistern
Answer- b
271. What is fixed with European closets for washing the body after use?
a) Pillar tap
b) Hand shower
c) Flushing cistern
d) health faucet
Answer- d
272. Which trap prevents the entry of foul gases from the municipal sewer into the household
drainage system?
a) Gully Trap
b) Floor trap
c) Bottle trap
d) intercepting traps
Answer- d
273. What is marked as 'x'?
a) Filtration pit b) Water table c) Recharge well d) Underground well
Answer- a
274. What is the size of PVC pipe for roof top rain water harvesting for domestic purpose?
a) 60-90mm b) 90-120 mm c) 120-150 mm d) 150-180 mm
Ans.b
275. Which pipe fitting is used to connect two pipes with different diameters in a straight line?
a) Reducer cross b) Reducer Tee c) Reducer coupling d) Bend
Ans. c
276. When is solvent welded PVC pipes tested?
a) After 24 hours b) After 20 hours
c) After 10 hours d) After 8 hours
Answer- a
277. What is the reason for using hemp packing on pipe threads?
a) For sealing pipe joints b) To prevent corrosion
c) easy repair d) for a tighter joint
Answer- a
278. If a tap or valve is suddenly closed, what is the effect on water flow?
a) Water blockage b) Water flow c) Water hammer d) Water splash
Answer- c
279. What type of metal tube can be bent using a spring bender?
a) GI tube b) Copper tube c) Brass tube d) Steel tube
Answer- b
280. What is the part marked as x?
a) inner former
b) handle
c) adjusting screw with lock nut
d) pipe guide
Answer- d
a) 60-90mm b) 90-120 mm c) 120-150 mm d) 150-180 mm
Ans.b
275. Which pipe fitting is used to connect two pipes with different diameters in a straight line?
a) Reducer cross b) Reducer Tee c) Reducer coupling d) Bend
Ans. c
276. When is solvent welded PVC pipes tested?
a) After 24 hours b) After 20 hours
c) After 10 hours d) After 8 hours
Answer- a
277. What is the reason for using hemp packing on pipe threads?
a) For sealing pipe joints b) To prevent corrosion
c) easy repair d) for a tighter joint
Answer- a
278. If a tap or valve is suddenly closed, what is the effect on water flow?
a) Water blockage b) Water flow c) Water hammer d) Water splash
Answer- c
279. What type of metal tube can be bent using a spring bender?
a) GI tube b) Copper tube c) Brass tube d) Steel tube
Answer- b
280. What is the part marked as x?
a) inner former
b) handle
c) adjusting screw with lock nut
d) pipe guide
Answer- d
281. What is the part marked as x?
a) inner former
b) Back former
c) hydraulic ram
d) Bleed screw
Answer- d
282. What is the part marked as x?
a) Tube
b) Clamp
c) Base plate
d) Radius collar
Answer- b
283. What is the maximum shape into which the tube can be bent using this method?
a) 15 mm b) 18 mm c) 25 mm d) 32 mm
Answer: a
a) inner former
b) Back former
c) hydraulic ram
d) Bleed screw
Answer- d
282. What is the part marked as x?
a) Tube
b) Clamp
c) Base plate
d) Radius collar
Answer- b
283. What is the maximum shape into which the tube can be bent using this method?
a) 15 mm b) 18 mm c) 25 mm d) 32 mm
Answer: a
284. What is the part marked as x?
a) back forward b) hydraulic ram
c) Pressure release valve d) Bleed screw
Answer- c
285. Which method is there to bend PVC pipe?
a) Cold method b) Hot method c) By bending machine d) Chilling method
Answer- b
286. What is the size of sand sieve used for pipe filling for hot bending?
a) 0.5 mm b) 1 mm c) 2 mm d) 2.5 mm
Ans. c
287. What is the procedure to prevent compression or bulging of pipe during hot banding?
a) Compacting, plugging, filling, heating
b) Filling, compacting, plugging, heating
c) Heating, filling, compacting, plugging
d) Plugging, filling, compacting, heating
Ans.b
288. What is the type of fire hydrant?
a) Flush hydrant b) Post hydrant c) Wash out valve d) Inspection chamber
Answer- a
a) back forward b) hydraulic ram
c) Pressure release valve d) Bleed screw
Answer- c
285. Which method is there to bend PVC pipe?
a) Cold method b) Hot method c) By bending machine d) Chilling method
Answer- b
286. What is the size of sand sieve used for pipe filling for hot bending?
a) 0.5 mm b) 1 mm c) 2 mm d) 2.5 mm
Ans. c
287. What is the procedure to prevent compression or bulging of pipe during hot banding?
a) Compacting, plugging, filling, heating
b) Filling, compacting, plugging, heating
c) Heating, filling, compacting, plugging
d) Plugging, filling, compacting, heating
Ans.b
288. What is the type of fire hydrant?
a) Flush hydrant b) Post hydrant c) Wash out valve d) Inspection chamber
Answer- a
289. What is the diameter of the fire hose nozzle?
a) 25 mm b) 28 mm c) 32 mm d) 40 mm
Ans.b
290. What is the name of the sewer section?
a) V section
b) U section
c) semicircular section
d) Rectangular section
Answer- c
291. What is the name of pipe fitting?
a) Elbow
b) Nipple
c) Branch
d) Socket
Answer- d
292. What is the most important part of a trap?
a) water seal
b) Crown
c) Deep
d) Inlet
Answer- a
293. What is another name for floor trap?
a) Gully Trap b) Nahani Trap
c) Bottle trap d) Intercepting trap
Answer- b
a) 25 mm b) 28 mm c) 32 mm d) 40 mm
Ans.b
290. What is the name of the sewer section?
a) V section
b) U section
c) semicircular section
d) Rectangular section
Answer- c
291. What is the name of pipe fitting?
a) Elbow
b) Nipple
c) Branch
d) Socket
Answer- d
292. What is the most important part of a trap?
a) water seal
b) Crown
c) Deep
d) Inlet
Answer- a
293. What is another name for floor trap?
a) Gully Trap b) Nahani Trap
c) Bottle trap d) Intercepting trap
Answer- b
294. What is the name of the trap?
a) Floor trap
b) S trap
c) P trap
d) Q trap
Answer- d
295. What is the name of the trap?
a) Floor trap
b) Intercepting trap
c) Nahani Trap
d) Bottle trap
Answer- b
296. What is the name of the part marked as x?
a) tee b) cross c) reducer d) elbow
Answer- c
a) Floor trap
b) S trap
c) P trap
d) Q trap
Answer- d
295. What is the name of the trap?
a) Floor trap
b) Intercepting trap
c) Nahani Trap
d) Bottle trap
Answer- b
296. What is the name of the part marked as x?
a) tee b) cross c) reducer d) elbow
Answer- c
297. What is the name of the part marked as x?
a) Elbow b) Bib cock c) Union d) Cap
Answer- b
298. What is the minimum size of a water tap?
a) 10 mm
b) 15mm
c) 25mm
d) 30mm
Ans.b
299. Which type of faucet is used in kitchen sink?
a) Pillar tap
b) Plug tap
c) Bib tap
d) Self closing tap
Answer- c
300. What is the type of heating system?
a) Sol water heater b) Forced circulation water heater
c) Hot air industrial process heat system d) Solar process steam system
Answer- d
a) Elbow b) Bib cock c) Union d) Cap
Answer- b
298. What is the minimum size of a water tap?
a) 10 mm
b) 15mm
c) 25mm
d) 30mm
Ans.b
299. Which type of faucet is used in kitchen sink?
a) Pillar tap
b) Plug tap
c) Bib tap
d) Self closing tap
Answer- c
300. What is the type of heating system?
a) Sol water heater b) Forced circulation water heater
c) Hot air industrial process heat system d) Solar process steam system
Answer- d
301. What is the type of heating system?
a) Solar water heater
b) Forced circulation water heater
c) Hot air industrial process heat system
d) Solar process steam system
Answer- a
302. What is the part marked as x?
a) Sensors
b) Collector
c) Controller
d) hit exchanger
Answer- b
a) Solar water heater
b) Forced circulation water heater
c) Hot air industrial process heat system
d) Solar process steam system
Answer- a
302. What is the part marked as x?
a) Sensors
b) Collector
c) Controller
d) hit exchanger
Answer- b
303. Which equipment is used to take water from the main line for fire fighting ?
a) Sluice valve
b) Fire hydrant
c) Fire extinguisher
d) Fire Engine
Answer- b
304. What is the distance between fire hydrants provided along the roads?
a) 50 to 100 meters
b) 100 to 130 meters
c) 150 to 200 meters
d) 200 to 230 meters
Answer- b
305. How much does a barrel of a post hydrant project above ground level?
a) 90 cm
b) 50 cm
c) 100 cm
d) 120 cm
Answer: a
306. What is used in cast iron bell and spigot joints?
a) Union
b) Socket
c) Solvent cement
d) Hemp Yarn
Answer- d
307. Which fitting is used to close the end of a GI pipe?
a) Plug
b) Cap
c) Socket
d) Elbow
Answer- b
308. Where is the water tap installed in the pipeline?
a) in the middle
b) anywhere
c) at the end
d) at the top
Answer- c
a) Sluice valve
b) Fire hydrant
c) Fire extinguisher
d) Fire Engine
Answer- b
304. What is the distance between fire hydrants provided along the roads?
a) 50 to 100 meters
b) 100 to 130 meters
c) 150 to 200 meters
d) 200 to 230 meters
Answer- b
305. How much does a barrel of a post hydrant project above ground level?
a) 90 cm
b) 50 cm
c) 100 cm
d) 120 cm
Answer: a
306. What is used in cast iron bell and spigot joints?
a) Union
b) Socket
c) Solvent cement
d) Hemp Yarn
Answer- d
307. Which fitting is used to close the end of a GI pipe?
a) Plug
b) Cap
c) Socket
d) Elbow
Answer- b
308. Where is the water tap installed in the pipeline?
a) in the middle
b) anywhere
c) at the end
d) at the top
Answer- c
309. How to identify a hot water tap?
a) Green spot on the tap
b) Red spot on the tap
c) Blue spot on the tap
d) Yellow spot on tap
Answer- b
310. Which sanitary fitting prevents the passage of foul gases into and out of pipes?
a) Door bends
b) vent cowl
c) Foot rest
d) Traps
Answer- d
311. How much internal pressure can a brass pillar tap bear?
a) 10kg/
cm2
b) 20kg/cm2
c) 30kg/
cm2
d) 50Kg/
cm2
Ans. b
312. Which tap is better when both hot and cold water supply is available?
a) Bib cock
b) Stop cock
c) Mixing tap
d) Note tap
Answer- c
313. What is the IS code of basic requirements for water supply, drainage and sanitation?
a) IS : 1172
b) IS : 1536
c) IS : 1537
d) IS : 1742
Answer: a
314. What is the IS code for water supply pipelines and drains?
a) IS: 1200 – Part 16 :1979
b) IS: 1200 – Part 19 :1981
c) IS: 1239 – Part 2 :1992
d) IS: 5219 – Part 1 :1969
Ans.b
a) Green spot on the tap
b) Red spot on the tap
c) Blue spot on the tap
d) Yellow spot on tap
Answer- b
310. Which sanitary fitting prevents the passage of foul gases into and out of pipes?
a) Door bends
b) vent cowl
c) Foot rest
d) Traps
Answer- d
311. How much internal pressure can a brass pillar tap bear?
a) 10kg/
cm2
b) 20kg/cm2
c) 30kg/
cm2
d) 50Kg/
cm2
Ans. b
312. Which tap is better when both hot and cold water supply is available?
a) Bib cock
b) Stop cock
c) Mixing tap
d) Note tap
Answer- c
313. What is the IS code of basic requirements for water supply, drainage and sanitation?
a) IS : 1172
b) IS : 1536
c) IS : 1537
d) IS : 1742
Answer: a
314. What is the IS code for water supply pipelines and drains?
a) IS: 1200 – Part 16 :1979
b) IS: 1200 – Part 19 :1981
c) IS: 1239 – Part 2 :1992
d) IS: 5219 – Part 1 :1969
Ans.b
315. What is the IS code for construction of drainage ?
a) IS : 5329 : 1983
b) IS : 2470 : 1985
c) IS : 1742 : 1983
d) IS : 3076 : 1985
Ans. c
316. What is the IS Code of Practice for laying glazed stoneware pipes?
a) IS : 651 : 1992
b) IS : 4127 : 1983
c) IS : 1726 : 1991
d) IS : 5961 : 1970
Ans.b
317. What is the IS code of practice for installation of septic tanks?
a) IS : 1742 : 1983
b) IS : 5329 : 1983
c) IS : 2470 : 1985
d) IS : 3076 : 1985
Ans. c
318. What is this symbol?
a) Wall hung urinal
b) Indian type water closet
c) Corner Hung Urinal
d) European type water closet
Answer- a
319. What is the name of sanitary fittings?
a) Madras pattern
b) Rural Pattern
c) Orissa pattern
d) Indian type long pattern
Answer- c
a) IS : 5329 : 1983
b) IS : 2470 : 1985
c) IS : 1742 : 1983
d) IS : 3076 : 1985
Ans. c
316. What is the IS Code of Practice for laying glazed stoneware pipes?
a) IS : 651 : 1992
b) IS : 4127 : 1983
c) IS : 1726 : 1991
d) IS : 5961 : 1970
Ans.b
317. What is the IS code of practice for installation of septic tanks?
a) IS : 1742 : 1983
b) IS : 5329 : 1983
c) IS : 2470 : 1985
d) IS : 3076 : 1985
Ans. c
318. What is this symbol?
a) Wall hung urinal
b) Indian type water closet
c) Corner Hung Urinal
d) European type water closet
Answer- a
319. What is the name of sanitary fittings?
a) Madras pattern
b) Rural Pattern
c) Orissa pattern
d) Indian type long pattern
Answer- c
320. What is this symbol?
a) Wall hung urinal b) Shower head c) Slope sink d) House tank
Answer- b
321. What is this symbol?
a) Slop sink b) Shower stall
c) Urinal stall d) Slab urinal
Answer- c
322. What is this symbol?
a) safety valve b) water meter
c) Sluice valve d) Drain cock
Answer- b
323. What is used in a double system to join the service pipe and the street main?
a) Ferrule b) Filter
c) Reservoir d) Settling tank
Answer- a
324. What is the name of the tool?
a) valve spindle b) reseating tool c) hand grinder d) spindle assembly
Answer- b
a) Wall hung urinal b) Shower head c) Slope sink d) House tank
Answer- b
321. What is this symbol?
a) Slop sink b) Shower stall
c) Urinal stall d) Slab urinal
Answer- c
322. What is this symbol?
a) safety valve b) water meter
c) Sluice valve d) Drain cock
Answer- b
323. What is used in a double system to join the service pipe and the street main?
a) Ferrule b) Filter
c) Reservoir d) Settling tank
Answer- a
324. What is the name of the tool?
a) valve spindle b) reseating tool c) hand grinder d) spindle assembly
Answer- b
325. How can an airlock in a pump be removed?
a) Fix foot valve b) Prime the pump
c) Fixed air valve d) Open outlet
Answer- b
326. What is the solution to remove accumulated air from the water line?
a) Check valve
b) Sluice valve
c) Air relief valve
d) pressure valve
Answer- c
327. How many 4” elbows are needed?
a) 1
b) 2
c) 3
d) 4
Ans.b
328. How many 4” PVC tees are needed?
a) 2 b) 3 c) 4 d) 6
Ans.b
a) Fix foot valve b) Prime the pump
c) Fixed air valve d) Open outlet
Answer- b
326. What is the solution to remove accumulated air from the water line?
a) Check valve
b) Sluice valve
c) Air relief valve
d) pressure valve
Answer- c
327. How many 4” elbows are needed?
a) 1
b) 2
c) 3
d) 4
Ans.b
328. How many 4” PVC tees are needed?
a) 2 b) 3 c) 4 d) 6
Ans.b
329. What is the reason for the flow of water from the overflow of the cistern pipe?
a) Loose check nut
b) broken float
c) Faulty washer
d) wear of valve seat
Answer- b
330. What is the remedy for water leakage at a cistern flush valve junction?
a) Replace the faulty washer
b) replace the float
c) Loosen the check nut
d) Clean the bypass
Answer- a
331. What is the use of union in pipeline?
a) Easy to pump
b) Easy to dismantle/open
c) easy flow of water
d) easy to thread
Answer- b
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a) Loose check nut
b) broken float
c) Faulty washer
d) wear of valve seat
Answer- b
330. What is the remedy for water leakage at a cistern flush valve junction?
a) Replace the faulty washer
b) replace the float
c) Loosen the check nut
d) Clean the bypass
Answer- a
331. What is the use of union in pipeline?
a) Easy to pump
b) Easy to dismantle/open
c) easy flow of water
d) easy to thread
Answer- b
Plumber Best MCQ Book in Just Rs.19/- (950 Important Questions in English)
ITI Employability skills MCQ Book in Hindi/English (New Syllabus) Rs.19/-
https://bharatskills.in/iti-employability-skills-mcq-book-1st-year-english-hindi/
HEATSON
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