Fitter Question Paper MCQ Book Free for ITI Apprentice Navy Naval Dockyard

Fitter Question Paper MCQ Book in English PDF Free Download for ITI theory exam paper preparation. All MCQs collected from previous year papers and NIMI Question Bank. Helpful for CTS 1st and 2nd year, Driver cum Fitter, Fitter Steel Plant, Fitter Structural, Pipe fitter & all fitter competitive exams (NAVY, Naval Shipyard, RRB, DRDO, CRPF, ARMY, ISRO, Tradesman, Training Officer

2. Contents
Question Bank (1
st
Year).................................................................................................................................................... 2
Question Bank (2
nd
Year) ................................................................................................................................................. 36

Question Bank (1
st Year)

1. What is personal security?
a) Keep the machine clean b) Mind your work
c) Keep the floor clean d) Keep tools in their proper place
Answer- b

2. What is the immediate life saving procedure?
a) First aid b) Calling a doctor
c) Intensive care d) Medical treatment
Answer- a

3. Name this warning symbol?

a) School
b) Protected
c) Unguarded
d) Pedestrian walkway
Answer- c

4. Which fire extinguisher is filled with carbon tetrachloride and bromochlorodifluoromethane?
a) Carbon dioxide
b) Halon fire extinguisher
c) Foam fire extinguisher
d) Dry powder
Answer- b

5. Which comes under mechanical occupational hazards?
a) Noisy b) Toxic c) Unskilled workers d) Unguarded machinery
Answer- d

3. 6. How to stop bleeding of an injured person?
a) bandaging b) applying ointment
c) Apply tincture on the wound d) Apply pressure on the wound
Answer- d

7. What is the name of this symbol?

a) School
b) Protected
c) Railway crossing
d) Pedestrian walkway
Answer- d

8. What are the three factors that cause fire?
a) fuel, heat, oxygen
b) oxygen, fuel, nitrogen
c) heat, nitrogen, oxygen
d) fuel, carbon dioxide, heat
Answer- a

9. What is the period called Golden Hours?
a) The first 30 minutes after the incident
b) first 30 minutes
c) First 45 minutes after admission
d) the first 60 minutes after treatment
Answer- a

10. What is the first step to avoid accidents at workplace?
a) wearing safety equipment
b) Doing things your own way
c) By following safety precautions
d) Getting things done with highly efficient working practices
Answer- c

4. 11. What kind of rod symbol is this?

a) Police signal
b) Caution sign
c) Mandatory signs
d) Information symbol
Answer- d

12. Which fire extinguisher is used for flammable and flowing liquid fires?
a) Foam extinguisher
b) Halon extinguisher
c) Dry powder extinguisher
d) Carbon dioxide extinguisher
Answer: a

13. What does A represent in the ABC of first aid?
a) Air-way
b) Attention
c) Arresting
d) Atmosphere
Answer: a

14. What is the process of breaking down material into organic compounds that can be used as
fertilizer?
a) Land fills
b) recycling
c) Composting
d) Burning of waste material
Answer- c

15. What is the colour code of the bin for waste paper?
a) Red
b) Blue
c) Black
Green
Answer- b

5. 16. What is the colour code for plastic garbage bin?
a) red b) blue c) green d) yellow
Answer- d

17. Class 'C' includes fires caused by _____
a) wood and paper
b) Liquids
c) Electricity
d) Gas
Answer- d

18. Class 'D' includes fires caused by _____.
a) Electricity
b) wood and paper
c) gas
d) Liquids
Answer- a

19. Electrical fire is extinguished.
a) From water
b) Dry powder fire extinguisher
c) Soda acid fire extinguisher
d) By CTC fire extinguisher
Answer- d

20. Which of the following is used to extinguish a gas fire?
a) From water
b) Dry powder fire extinguisher
c) Soda acid fire extinguisher
d) By CTC fire extinguisher
Answer- b

21. If an accident occurs while working –
a) flee from the workplace
b) The accident should be reported immediately to the senior officer
c) A crowd should gather at the accident site
d) None of these
Answer- b

6. 22. The size of ordinary caliper is taken –
a) the length of their legs
b) the length from one end to the other
c) from the centre of the rivet or nail to the working point
d) All of the given
Answer- c

23. Which of the following calipers is used to measure the width of the groove –
a) outside caliper b) odd leg caliper
c) Unequal leg caliper d) Inside caliper
Answer- d

24. The pitch of the hacksaw blade for cutting solid brass is –
a) 1 mm
b) 1.4mm
c) 0.8mm
d) 1.8 mm
Ans.d

25. The pitch of the hacksaw blade for cutting thin tubes is –
a) 1 mm
b) 1.4mm
c) 0.8mm
d) 1.8mm
Ans. c

26. The size of ordinary bench vice is taken –
a) from the full height of the vice
b) maximum opening of the jaw
c) the length of the movable jaw
d) width of the jaw
Answer- d

27. Bench vice is fitted on the table/work bench because –
a) so that the work bench does not obstruct the movement of the bar
b) The metal filings fall on the floor and not on the table
c) A long rod can be attached perpendicularly to the vice
d) The vice stabilizing bolt can be pulled up above the table/bench
Answer- c

7. 28. Standard steel rule is made of _____ metal –
a) Mild steel b) Stainless steel c) Alloy steel d) Gun metal
Answer- b

29. Try square is used to check the job –
a) at an angle of 90
0


b) length c) at an angle of 45
0

d) at an angle of 30
0

Answer- a

30. In which of the following countries did the use of the inch system first begin?
a) America b) Germany c) England d) India
Answer- c

31. Measurement is done by ordinary caliper –
a) Indirect b) Direct c) Comparative d) Both of the above
Answer- a

32. Simple calipers are made.
a) High carbon steel
b) mild steel
c) Cast steel
d) Stainless steel
Answer- b

33. Center punch is made –
a) High carbon steel b) Mild steel c) Cast steel d) Stainless steel
Answer- a

34. The point of the prick punch is grinded.
a) 30
0
b) 45
0
c) 60
0
d) 90
0

Answer: a

35. Pin punch is used.
a) To take out the dowel pin or taper pin
b) drilling holes in hot metals
c) To confirm the marking
d) None of the above
Answer- a

8. 36. The purpose of engraved lines on the surface of marking of table is –
a) To take measurements
b) for job setting
c) To enhance the beauty of the table surface
d) None of the above
Answer- b

37. Hammers are available in the market
a) According to the pen
b) By weight
c) According to the pen and according to the weight
d) According to the material
Answer- c

38. The guide nut of machine vice is made of
a) Cast iron
b) mild steel
c) Gun metal
d) Brass
Answer- c

39. Jaw plate of bench vice is made.
a) Mild steel
b) Tool steel
c) Cast iron
d) Forged steel
Answer- b

40. The size of the hacksaw blade is taken |
a) the inner distance between the two holes
b) the outer distance of the two holes
c) the distance between the centres of the two holes
d) the distance from one end to the other of the blade
Answer- c

41. Hacksaw blades are made |
a) High speed steel b) Carbon steel
c) Spring steel d) Mild steel
Answer- a

9. 42. Used for cutting thin pipes.
a) Course pitch blade
b) Fine pitch blade
c) Medium pitch blade
d) staggered set
Answer- b

43. Knife edge is the angle of the cross section of the file.
a) 20
0

b) 40
0

c) 10
0


d) 30
0

Ans. c

44. This type of file has sharp pointed teeth in a row on the face of the file. They are used for filing
wood, leather and other soft substances. This file is called.
a) Single cut sand
b) double cut sand
c) Rasp / Rough sand
d) Curve cut file
Answer- c

45. Which of the following hammers is used in heavy forging work?
a) Ball peen hammer
b) Cross pin hammer
c) Straight Pin Hammer
d) Sledge hammer
Answer- d

46. Which grade of sand removes large amount of metal quickly?
a) Dead Smooth Sand
b) Smooth sandpaper
c) Rough sanding
d) Second cut sandpaper
Answer- c

47. Which part of the hammer is soft?
a) pin b) chick c) face d) eye hole
Answer- b

10. 48. Which of the following is not a cause of accident?
a) inattention to danger
b) Carelessness
c) respect for safety
d) incorrect use of equipment
Answer- c

49. The part of the file in which the handle fits is called…
a) Shank
b) Shoulder
c) Tang
d) torque
Answer- c

50. A ferrule is a metal ring that fits into the file.
a) on the handle
b) on the tang
c) on the heels
d) on point
Answer- a

51. Steel rule is made.
a) forged steel
b) Stainless steel
c) high carbon steel
d) Alloy steel
Answer- b

52. The head of the combination set with which any angle is checked is called _____.
a) Square head
b) protractor head
c) center head
d) Rule
Answer- b

53. Straight edges are made.
a) brass b) steel or cast iron
c) Plastic d) Wood
Answer- b

11. 54. It is checked with bevel gauge.
a) Radius b) Angle c) Flatness d) All of the above
Answer- b

55. The accuracy of bevel protractor is:
a) 1
0
b) 1' c) 5' d) 5”
Answer: a

56. ______ is used for respiratory protection.
a) Exhaust fan b) Ceiling Fan
c) Filter respirators d) None of these
Answer- c

57. The practice of 5S started from _____ country.
a) Britain
b) Germany
c) Japan
d) India
Answer- c

58. What should be done in case of fire in the workshop?
a) watch silently
b) Try to get out immediately
c) Switch off the electricity main immediately
d) Inform the fire brigade immediately
Answer- c

59. If the workplace becomes dark due to power failure, then ______ should be done.
a) Do not create a stampede
b) Provide alternative lighting
c) Use stairs if you need to go out
d. All of the above
Answer- d

60. While grinding always ______
a) Stand in front of the wheel b) Stand beside the wheel
c) Wear goggles d) Both b and c above
Answer- d

12. 61. While using a hammer, one should keep an eye on ______.
a) on chisel head
b) on the job
c) on the hammer
d) None of the above
Answer- a

62. Name the part of the file marked as x.

a) Heel
b) Tang
c) Ferrule
d) length of the file
Answer- a

63. What is the use of a try square?
a) To check right angles
b) To check the acute angle
c) To check obtuse angle
d) To check the straight angle
Answer- a

64. Which marking media is toxic?
a) white wash
b) Persian Blue
c) Copper sulphate
d) taking cellulose
Answer- c

65. Which part of the universal surface gauge holds the scriber?
a) snug b) guide pin
c) Rocket arm d) Fine adjustment screw
Answer- a

13. 66. A new hacksaw blade becomes loose after a few strokes, due to –
a) Blade stretching b) Incorrect blade pitch
c) Wrong selection of saw set d) Wear of nut thread
Answer- a

67. Which chisel is used to cut away material at corners and joints?
a) Flat chisel b) Cross cut chisel
c) Diamond point chisel d) Half round nose chisel
Answer- c

68. Which of the following features is not found in granite surface plate –
a) Burrs are produced when scratched
b) It is rust proof
c) It is a solid and permanent material
d) Maintains high purity
Answer- a

69. Parallel block is used for the following –
a) To make a parallelogram wedge
b) To set the workpiece horizontally
c) To draw parallel lines through its edge
d) For levelling machines
Answer- b

70. Surface plate is made of –
a) Alloy steel
b) Wrought Iron
c) High grade cast steel
d) Close grained cast iron
Answer- d

71. Universal Surface Gauge has a 'V' groove cut at its base.
a) To reduce weight
b) For setting the work piece
c) To move the lathe back and forth on the 'V' bed
d) To enhance beauty
Answer- c

14. 72. Diamond point chisel _______
a) It has a diamond point
b) Its edge is as sharp as a diamond
c) It breaks easily like a diamond
d) None of the above
Answer- b

73. With this chisel, 'V' shaped grooves and corners of square grooves are made.
a) Diamond point chisel
b) Cross cut chisel
c) Cow mouth chisel
d) Web chisel
Answer- a

74. The cutting angle of a flat chisel for chipping cast iron is grinded to
a) 45
0

b) 60
0

c) 50
0

d) 70
0

Ans.b

75. The point of a flat chisel is grinded for chipping aluminium.
a) 45
0

b) 30
0

c) 50
0

d) 70
0

Ans.b

76. While chipping mild steel, the inclination angle of the chisel is maintained…
a) 37
0

b) 32
0

c) 35
0

d) 34.5
0

Ans.d

77. While chipping brass, the inclination angle of the chisel is kept
a) 37
0

b) 32
0

c) 35
0

d) 34.5
0

Ans.b

15. 78. Marking media is used on cast and forged surfaces.
a) Chalk Powder
b) Persian Blue
c) Copper sulphate
d) Red Sindoor
Answer- a

79. Chisel is used to cut 'key' wedges.
a) Flat chisel
b) Diamond point chisel
c) Cross cut chisel
d) round nose chisel
Answer- c

80. White lead powder is mixed with a solution of turpentine oil to prepare the marking media
called _____.
a) white wash
b) Red Lad
c) Persian Blue
d) lay out die
Answer- a

81. In which shape the surface plate is not present?
a) Triangular
b) Rectangular
c) Square
d) Circular
Answer- a

82. The 'V' block which has a V groove on one side is called…
a) double level
b) Single level
c) Single and double level
d) None of the above
Answer- b

83. Double level 'V' block has ______ 'V' grooves
a) 4 b) 3 c) 1 d) 2
Ans.d

16. 84. Convexity in sand means…
a) The file tapers in width
b) The faces of the sand have emerged from the middle
c) the curvature of the file
d) None of the above
Answer- b

85. The name of the file which is parallel in width and tapered in thickness is _____.
a) Hand file
b) Round file
c) Knife edge file
d) Square file
Answer- a

86. Clogging of file defect is fixed by
a) By brushing off the sand
b) By washing the sand with acid
c) by wire brush
d) On heating the sand
Answer- c

87. Draw filing is used for |
a) to cut more metal
b) For finishing the surface and removing high spots
c) For sanding taper surface
d) for long and large surfaces
Answer- b

88. When there is a groove made in the hub of the pulley then the fit there is called a 'key'.
a) saddle key
b) of the jib
c) Feather Key
d) Shank's
Answer- a

89. Lathe file has _____ teeth cut on its face :
a) double cut b) single cut
c) Rasp cut d) Curve cut
Answer- b

17. 90. When the file is moved parallel to the longer side of the workpiece it is called…
a) Diagonal filing
b) Longitudinal filing
c) Transverse filing
d) Straight filing
Answer- b

91. Needle files are available in the length of :
a) 50 to 150 mm
b) 100 to 150 mm
c) 150 to 200 mm
d) 120 to 180 mm
Answer- d

92. A cold chisel differs from a hot chisel because it
a) is hard and tempered
b) Its length is greater
c) its length is less
d) made of different metals
Answer- a

93. The cutting angle of a round nose chisel is ____:
a) 20
0
to 30
0

b) 35
0
to 45
0

c) 45
0
to 60
0

d) 25
0
to 35
0

Answer- b

94. Web chisel is used for…
a) For chipping of metal parts
b) to make the corners sharp
c) To separate the rough material after chain drilling
d) Making 'Key' wedge
Answer- c

95. In horizontal band saw machine _______
a) blade moves continuously b) number of strokes is less
c) The number of strokes is higher d) All of the above
Answer- a

18. 96. Another name for horizontal band saw is _____
a) Flexible Saw
b) Circular Saw
c) contour saw
d) None of the above
Answer- a

97. In a power saw, the rotary motion of the motor is converted into linear motion by .........
a) by rack and pinion
b) By worm gear
c) by crank mechanism
d. All of the above
Answer- c

98. Pressure in power saw is given by ______.
a) By hand
b) hydraulic system
c) Weight
d) By any one of b and c above
Answer- d

99. The power saw blade used for general work has the number of teeth per 25 mm.
a) 14
b) 10
c) 8
d) 5
Ans.b

100. ______ is used for cutting thick sections of metal.
a) Contour Saw
b) Horizontal Saw
c) Circular Saw
d) Power saw
Answer- c

101. This saw has a blade in circular shape.
a) contour saw b) horizontal saw
c) Circular saw d) Power saw
Answer- c

19. 102. This saw has an endless blade
a) Power Saw
b) Contour Saw
c) Flexible Saw
d) Both b and c above
Answer- d

103. The least count of metric micrometer is –
a) 0.02mm
b) 0.01mm.
c) 0.001mm
d) 0.0001mm
Ans.b

104. Screw thread is checked by micrometer –
a) major diameter of thread
b) pitch of the screw
c) pitch diameter of the screw or bolt
d) length of the screw
Answer- c

105. When a magnet pulls metals towards itself, it is called magnetic property. This property occurs
in ______.
a) all types of metals
b) Non - ferrous metals
c) Ferrous metals
d) None of the above
Answer- c

106. Try square is used to check _______.
a) Round surface
b) Groove surface
c) Flat surface
d) uneven surface
Answer- c

107. Radial drilling machine rotates around ______.
a) base b) radial arm c) table d) pillar
Answer- d

20. 108. Digital micrometer is a modern micrometer, its main feature is:
a) Measurement to an accuracy of 0.001 mm
b) it does not contain errors
c) Its zero reading can be set anywhere
d) They are expensive
Answer- c

109. Vernier caliper is made of which of the following metals?
a) forged steel
b) Cast steel
c) Stainless steel
d) high carbon steel
Answer- c

110. Usually a taper is built into the 'taper key'.
a) 1:100
b) 1:10
c) 1:50
d) 1:500
Answer: a

111. When the taper shank drill is large and the spindle of the drilling machine is of small size then
______ is used to fasten the drill to the machine.
a) Taper socket
b) Socket/Sleeve
c) drill chuck
d) Special Attachment
Answer- a

112. Zinc chloride is used as flux in soldering of _____.
a) stainless steel
b) mild steel
c) Gunmetal
d) Brass
Answer- d

113. Which of the following metals cannot be brazed?
a) Brass b) Mild steel c) Magnesium and alloys d) Aluminium
Answer- c

21. 114. Brazing is a ______ fastener.
a) Permanent
b) Semi-permanent
c) temporary
d. All of the above
Answer- a

115. Malate is not a substance of the following:
a) Raw leather, wood
b) hard rubber
c) Copper, Brass
d) Steel
Answer- d

116. To draw large size circles on a sheet _____ is used:
a) Spring Compass
b) Wing Compass
c) Beam compass
d. All of the above
Answer- c

117. It is a light white sheet. It is highly resistant to corrosion and abrasion. It is used in refrigerator
trays, light fixtures, windows, electrical and transport industries:
a) Aluminum sheet
b) Lead sheet
c) Tin Sheet
d) wrought iron sheets
Answer- a

118. Soldering is done in electrical work in which _____ flux is used.
a) Talo
b) Resins
c) Borax
d) Olive oil
Answer- b

119. ______ flux is used in brazing.
a) Ammonium chloride b) Zinc chloride c) Hydrochloride d) Borax
Answer- d

22. 120. Bifurcated rivet is made of soft metals and is used:
a) in heavy work
b) Bonding leather, plastic etc
c) in light work
d) In fabrication works
Answer- b

121. The brush used for removing rust from sheets before painting is
a) Wooden brush
b) Nylon brush
c) Wire brush
d) Painting brush
Answer- c

122. Acetylene is a fuel gas. It contains carbon and hydrogen whose percentage is _____.
a) 80% carbon 20% hydrogen
b) 92.3% carbon 7.7% hydrogen
c) 90.8% carbon 9.2% hydrogen
d) 85% carbon 15% hydrogen
Answer- b

123. The chemical formula of acetylene is _____
a) CH 2
b) COH 2
c) C 2 H 2
d) None of the above
Answer- c

124. The temperature of oxy LPG flame is
a) 2000
0C
to 2200
0
C
b ) 2700
0C
to 2800
0
C
c ) 2800
0C
to 2950
0
C
d ) 2100
0C
to 2400
0C

Ans.b

125. The temperature of oxyacetylene gas flame is
a) 3000
0C
to 3250
0
C b) 2700
0
C to 2800
0
C
c ) 2800
0C
to 2950
0
C d) 3100
0
C to 3300
0
C
Ans.d

23. 126. The temperature of oxy-hydrogen gas flame is
a) 3000
0C
to 3250
0
C b) 2400
0
C to 2700
0
C
c ) 2800
0C
to 2950
0
C d) 3100
0
C to 3300
0
C
Ans.b

127. The temperature of oxy coal gas flame is
a) 3000
0C
to 3250
0
C
b) 2700
0C
to 2800
0
C
c) 1800
0
C to 2200
0
C
d) 3100
0
C to 3300
0
C
Ans. c

128. The colour of acetylene cylinder is
a) Maroon
b) Blue
c) Red
d) Black
Answer- a

129. The colour of the oxygen hose pipe is
a) Red
b) Green
c) Blue
d) Black
Answer- d

130. The colour of acetylene hose pipe is
a) Maroon
b) Red
c) Black
d) Blue
Answer- b

131. The main difference between oxygen and acetylene gas regulators is:
a) they are smaller and bigger in weight
b) Right hand bangle in oxygen regulator
c) Left hand bangle in oxygen regulator
d. All of the above
Answer- b

24. 132. In oxygen acetylene the name of the connector which prevents backfire is _______:
a) non return valve
b) Hose protector
c) Nipple
d) Blow pipe
Answer- b

133. The welding nozzle or tip controls the size and temperature of the flame. It is made of _______
metal.
a) Brass
b) Stainless steel
c) Brass
d) Copper
Answer- d

134. Welding nozzles are available in numbers which are ______
a) 0 to 90
b) 1 to 90
c) 1 to 70
d) 0 to 70
Answer- b

135. Gas cylinders should always be kept _______
a) standing position
b) Lying down position
c) crooked position
d. All of the above
Answer- a

136. Which valve of oxy-acetylene is closed first to avoid backfire?
a) Acetylene
b) Oxygen
c) Both together
d) None of the above
Answer- a

137. In a neutral flame, the amount of acetylene and oxygen is ______.
a) more acetylene b) less acetylene
c) both are equal d) more oxygen
Answer- c

25. 138. Carburizing flame contains more of ______ gas
a) Carbon
b) Oxygen
c) Hydrogen
d) Acetylene
Answer- d

139. Which of the following is not used in chemical cleaning of jobs:
a) Mobil oil
b) Kerosene oil
c) Turpentine oil
d) Petrol
Answer- a

140. For welding plates thicker than 25 mm, the size of the welding nozzle should be ______.
a) 55
b) 70
c) 35
d) 90
Ans.d

141. Which of the following is not an indicator of flashback?
a) Low sound
b) Loud sound
c) black smoke
d) mild explosion
Answer- a

142. In silver soldering the temperature is maintained ______
a) 500
0
– 600
0
C
b) 600
0
– 850
0
C
c) 700
0
– 900
0
C.
d) 350
0
– 500
0
C
Ans.b

143. In silver brazing the amount of silver is ______
a) 30 to 35% b) 35 to 45%
c) 40 to 60% d) 50 to 70%
Answer- c

26. 144. This is a welding transformer which converts AC to DC.
a) Motor Generator b) Engine Generator
c) Rectifier d) All of the above
Answer- c

145. In a proper arc the distance between the electric tip and the job surface is ______ the diameter
of the electrode core wire
a) less
b) Equal
c) More
d) All of the given
Answer- b

146. In straight polarity the electrode is connected to the negative terminal and the job is
connected to the positive terminal, in this the heat is _____
a) 20% electrodes 80% job
b) 30% electrodes 70% jobs
c) 34% electrodes 66% jobs
d) 66% electrodes 34% jobs
Answer- c

147. In reverse polarity more heat occurs in _____
a) Job
b) Electrode
c) Equal in both
d) none
Answer- b

148. Reverse polarity is used
a) For welding thick jobs
b) For any type of welding
c) For welding thin jobs
d) For welding medium jobs
Answer- c

149. Straight polarity is used
a) For welding thin jobs b) For welding thick jobs
c) For welding of any type of job d) For welding medium jobs
Answer- b

27. 150. Usually the size of electrode is taken from core dia. It is _____:
a) 5 to 9 mm b) 1.5 to 10 mm c) 3 to 10 mm d) 3.15 to 10 mm
Answer- b

151. The amount of current is maintained for an electrode of 3.2 mm.
a) 50 to 80 A
b) 130 to 270 A
c) 90 to 130 A
d) 120 to 170 A
Answer- c

152. The walls of the welding booth are painted ______ so that the arc radiation does not have any
adverse effect on the welder.
a) Red
b) Yellow or Black
c) Blue
d) White
Answer- b

153. Helix angle is also written as –
a) lip angle
b) cutting angle
c) Rack angle
d) Lip clearance angle
Answer- c

154. The point angle of a drill is generally –
a) 140
0

b) 80
0

c) 118
0


d) 90
0
Ans. c

155. The point angle of the drill depends on –
a) on the type of machine
b) at the cutting speed
c) according to the metal to be drilled
d) As per the desire of the artisan
Answer- c

28. 156. For small diameter drills the drill speed is kept at
a) more b) less c) as per your wish d) Normal
Answer- a

157. The cutting speed for large diameter drills is kept at
a) more b) less c) as per wish d) ordinary
Answer- b

158. The total number of drills in a number size drill is –
(a) 50 (b) 75 (c) 80 (d) 90
Ans. c

159. The total number of drills in a letter size drill is –
a) 26
b) 20
c) 10
d) 15
Answer: a

160. Flat drill is made of ______ metal among the following
a) forged steel
b) high carbon steel
c) high speed steel
d) mild steel
Answer- b

161. The point angle of a flat drill is kept _____
a) 118
0

b) 59
0

c) 90
0
d) 135
0

Ans. c

162. Flat drill has _______ advantage which of the following is not
a) Its edge gets dulled frequently and quickly
b) It does not break down easily
c) It can be forged into any size
d) It can be hardened and tempered as per requirement
Answer- a

29. 163. Straight fluted drills are used for
a) For drilling hard metals b) For making holes in non-metals
c) For drilling holes in soft metals d) For drilling holes in thin sheets
Answer- c

164. Due to body clearance in drill:
a) the drill hole is finished b) the drill hole is roughed
c) There is less friction while drilling d) Coolant is easily accessible
Answer- c

165. Hand chaser is used for cutting bangles –
a) on high speed steel
b) on mild steel
c) on brass and soft metals
d) on carbon steel
Answer- c

166. Thread chasers are made of –
a) Mild steel
b) Tool steel
c) Stainless steel
d) High speed steel
Answer- b

167. Thread chaser is used for –
a) for more production
b) For cutting bangles on hard material
c) For cutting bangles on soft metals
d) To make bangles of uniform tolerance
Answer- d

168. While cutting thin pipe, which of the following should be kept in mind -
a) The hexa must be kept in proper balance
b) The blade must have two or three teeth per pipe thickness
c) The blade should not be allowed to overheat
d) Cuts should be made in a curved manner
Answer- b

30. 169. Reamer is used in which of the following?
a) To remove burrs
b) to make the drill hole deeper
c) To clean and enlarge the hole
d) To drill holes in metal
Answer- c

170. The action of slanting one end of a hole is called –
a) rimming b) drilling
c) Spotfacing d) Counter sinking
Answer- d

171. Which statement is not related to Reimer?
a) Bringing accuracy to close limit
b) To obtain a high quality surface finish
c) Finishing any machine profile
d) Purging the holes
Answer- c

172. Drift is used for –
a) To remove the broken drill from the job
b) To fit the drill to the machine spindle
c) To remove the drill from the machine spindle
d) To fit the drill chuck to the machine spindle
Answer- c

173. The cutting edge of a chisel is grinded in a convex shape because –
a) To accelerate around corners
b) To reach the oil point
c) the cutting point penetrates the metal properly and the chisel does not bounce off when struck
d) For cutting large curves
Answer- c

174. Taps are made of ______ metals among the following.
a) mild steel b) cast steel
c) High speed steel d) Carbon steel
Answer- c

31. 175. Bottoming tap has _______ to _______ threads which are chamfered
a) 6 to 10
b) 4 to 6
c) 8 to 10
d) 1 to 2
Answer- d

176. The ____ to _____ threads of an intermediate tap are chamfered
a) 3 to 5
b) 6 to 10
c) 1 to 2
d) 4 to 8
Answer- a

177. Taper tap has ____ to ____ threads chamfered
a) 6 to 10
b) 3 to 5
c) 4 to 10
d) 1 to 2
Answer- a

178. Cutting tool is used for cutting external bangles
a) Drill
b) Tap
c) Reamer
d) Dye
Answer- d

179. Damaged bangles are repaired
a) Split die
b) adjustable die
c) Die nut
d) Die plate
Answer- b

180. A broken tap is removed by
a) By screw driver b) By spanner
c) By tap extractor d) All of the above
Answer- c

32. 181. The process of drilling holes in thin sheets is called _____
a) Rimming b) Boring c) Trippening d) Spot facing
Answer- c

182. Machine reamers and hand reamers mostly have uneven teeth , this causes ______
a) more finishing
b) Finishing work
c) Less chattering
d) Chattering more
Answer- c

183. Some reamers are made in one piece while some reamers are made in two pieces in which
the shank and body are made of different metals _____.
a) Carbon steel, High speed steel
b) Mild steel, high speed steel
c) Forged steel, high speed steel
d) Cast steel, high speed steel
Answer- a

184. Scraper is a cutting tool. It is made of ______ metal.
a) Mild steel
b) high carbon steel
c) Forged steel
d) Cast steel
Answer- b

185. When a grinder wheel shines like lead it is called ______
a) Loading of wheel
b) Toing of wheel
c) Dressing of wheel
d) Glazing of wheel
Answer- d

186. ______ defect occurs in centerless grinding.
a) Trying
b) Lobing
c) Glazing
d) Clogging
Answer- b

33. 187. Grinding done on a pedestal grinder is called ______.
a) Snagging
b) Off hand grinding
c) Surface grinding
d) Internal grinding
Answer- b

188. The purest form of iron is
a) Wrought Iron
b) Cast iron
c) Pig iron
d) mild steel
Answer- a

189. Which metal has the highest amount of carbon ?
a) Wrought Iron
b) Cast iron
c) Pig iron
d) mild steel
Answer- b

190. Each blade of the filler gauge has its size written on it. This reveals the ______.
a) width of the leaf
b) thickness of the leaf
c) Radius of the leaf
d) None of the above
Answer- b

191. To check excess clearance with filler gauge _____ is done.
a) Demand for larger size sets
b) It is not possible
c) Check the gap by placing two or more leaves together in the gap
d) Both a and c above
Answer- c

192. That property of cast iron due to which heavy beds and frames of machines are made from it.
a) Tensile strength b) Compressive strength c) Machinability d) Ductility
Answer- b

34. 193. In cupola furnace, pig iron, coke and limestone are mixed in this proportion.
a) 1:4:2
b) 1:2:2
c) 2:4:1
d) None of these
Answer- c

194. Wrought iron is pure, the amount of iron in it is ______
a) 99.9%
b) 90.99%
c) 92%
d) 99.93%
Answer: a

195. Grey cast iron contains _____
a) High compressive strength
b) low compressive strength
c) High tensile strength
d) low tensile strength
Answer- a

196. Chilled cast iron is prepared from white cast iron and it contains _______
a) free carbon is more
b) The outer surface is quickly cooled and hardened
c) It is prepared using the white heart process
d) It is prepared using the Black Heart process
Answer- b

197. Crane hooks are made
a) Wrought Iron
b) high carbon steel
c) Cast iron
d) Cast steel
Answer- a

198. The steel prepared by Bessemer process is called ______
a) high carbon steel b) cast steel
c) Medium carbon steel d) Mild steel
Answer- d

35. 199. Nodular cast iron is known by which of the following names?
a) Ductile Iron
b) Spheroidal iron
c) graphite iron
d) Chilled iron
Answer- d

200. Steel which contains 35% or more nickel is called...
a) nickel steel
b) Stainless steel
c) Invar steel
d) Cast steel
Answer- c

201. The main property of Invar due to which it is used in making micrometers.
a) It is not attracted by a magnet
b) Its coefficient of linear expansion is very low
c) It shrinks on application of heat
d) It does not rust
Answer- b

202. Brass is a non-ferrous metal. It is an alloy of ______.
a) Copper and Tin
b) Copper and Lead
c) Copper and Aluminium
d) copper and zinc
Answer- d

203. Bronze is a non ferrous alloy
a) Copper and Lead
b) copper and tin
c) Copper and Aluminium
d) copper and chromium
Answer- b

204. Properties Metal is a mixture of ______ metals
a) Copper and Aluminum b) Copper and Zinc
c) Copper, Zinc and Lead d) Copper, Tin and Zinc
Answer- d

36. Question Bank (2
nd Year)

1. Commonly used bolts are made of which of the following metals?
a) cast iron
b) high carbon steel
c) mild steel
d) stainless steel
Answer- b

2. The angle of counter sink head rivet is –
a) 90
0
b) 120
0
c) 30
0
d) 60
0

Answer: a

3. The formula for the length of a snap head rivet is –
a) L = T + 2d
b) L = T + 1.5d
c) L = T + 0.6d
d) L = T + 1.6d
Ans. c

4. Wood rough 'key' is used –
a) To connect shaft and pulley
b) To fit hand wheel on shaft and taper end
c) For shaft and gear feet
d) all of the above
Answer- b

5. The nut end of the stud is –
a) longer in length b) shorter in length
c) is plane d) is larger in diameter
Answer- a

6. Use screws to fit the shaft and pulley
a) Heavy duty assembly screws b) Light duty assembly screws
c) set screw d) grub screw
Answer- c

7. The standard taper of taper pin is -
a) 1:100 b) 1:500 c) 2:100 d) 1:80
Answer: a

37. 8. The bolt which is used to clamp sheets with angle iron –
a) Shackle bolt
b) Eye bolt
c) head less bolt
d) Hook bolt
Answer- d

9. The 'key' is made of a piece of metal. It is fitted ________ between the shaft and the hub.
a) perpendicular to the axis of the shaft
b) parallel with the axis of the shaft
c) obliquely along the axis of the shaft
d. All of the above
Answer- b

10. Key wedge for fitting the saddle 'key' ______
a) cut on both shaft and hub
b) cuts only on the shaft
c) cut only at the hub
d) None of the above
Answer- c

11. Halo saddle key is used for
a) in heavy load
b) under medium load
c) in light load
d. All of the above
Answer- c

12. Jib head key is a taper key whose head is square and 30
0
But there is a chamfer on it, the
main advantage of this key is
a) It is easy to make in taper
b) It is easy to fit
c) Its head remains outside when fitted, which makes it easy to remove and fit it
d. All of the above
Answer- c

38. 13. Woodruff 'key' is segment shaped and fits in line with the key seat on the shaft. It is used
a) Fitting the shaft and gear
b) fits perpendicularly to the shaft
c) To fit the wheel on the taper shaft
d) None of the above
Answer- c

14. Tangential 'key' is used in pairs. It is 120
0
is situated at an angle of , it is used in _____
a) Fly wheel rolling mill
b) in the automobile industry
c) for light work
d. All of the above
Answer- a

15. Round taper is in 'key' taper, its taper is _______
a) 1:100 b) 1:50 c) 1:150 d) 1:200
Ans.b

16. Serrated Shaft is fitted –
a) Rolling mill
b) in the automobile industry
c) Windmill
d) None of the above
Answer- b

17. Wire spring is used for
a) To hold the lids in correct position
b) Bicycle Sheet Cover
c) in clock
d) In automobile vehicle
Answer- a

18. Which spring is used for compressive load
a) Helical compression spring
b) flat and leavespring
c) compression spring
d) Helical tension spring
Answer - a

39. 19. This spring is used in bicycle carrier
a) helical torsion spring
b) Helical tension spring
c) Conical disc spring
d) flat spring
Answer- a

20. This type of spring is used where space is limited and the weight is high
a) helical torsion spring
b) Helical tension spring
c) Conical disc spring
d) flat spring
Answer - c

21. This type of springs are used for tensile loads
a) Leaf spring
b) wire spring
c) Helical tension spring
d) Conical disc spring
Answer- c

22. Which of the following is not a spring material
a) stainless steel
b) Silicon Manganese Steel
c) mild steel
d) Phosphor bronze
Answer- c

23. Welding is a ______ type of fastener
a) Temporary
b) Semi-permanent
c) Permanent
d) None of the above
Answer- c

24. Another name for cup head bolt is
a) Cheese head bolt b) Round head bolt
c) Cylinder head bolts d) None of the above
Answer- b

40. 25. Another name for cylindrical head bolt is _____
a) Cheese head bolt b) Round head bolt
c) Cylinder head bolts d) None of the above
Answer- a

26. This bolt is used where the upper surface of the bolt head has to be kept lower than the
surface of the part
a) Cheese head bolt
b) Round head bolt
c) Cylinder head bolts
d) Counter sunk head bolts
Answer- d

27. Hexagonal socket head bolt is called _____
a) Cheese head bolt
b) Round head bolt
c) Cylinder head bolts
d) Socket head bolt
Answer- d

28. This bolt is used to clamp the workpiece on the machine table
a) Cheese head bolt
b) Round head bolt
c) Cylinder head bolts
d) T-head bolt
Answer- d

29. The characteristic of a tap bolt is that _____
a) It's a tap
b) It does not require nuts to use
c) It does not have a head
d) None of the above
Answer- b

30. Stud is a temporary fastener due to its _____
a) There is a bangle on the top along the entire length
b) It has bangles at both ends while the middle portion is plain
c) It has a head on one side
d) None of these
Answer- b

41. 31. Machine bolts are forged and then machined to their exact size. For their use _____
a) the clearance in the hole is less
b) Clearance in the hole is more
c) does not require much precision
d. All of the above
Answer- a

32. Split pin is a locking pin. It is available in 16 sizes _____ diameter
a) 2 to 12 mm
b) 0.6 to 20mm
c) 1 to 15 mm
d) 0.5 to 12 mm
Answer- b

33. The outside diameter of a plain washer is kept _____
a) 2D + 3mm
b) 2D + 5mm
c) 2D + 6mm
d) 2D
Answer: a

34. Circlip is a temporary fastener, its other name is _____
a) Ring
b) retaining ring
c) Washer
d) None of the above
Answer- b

35. Circlips are made of ______ metal
a) Mild steel
b) Stainless steel
c) Spring steel
d) Wrought Iron
Answer- c

36. Pull type scraper among the following is _____
a) Flat scraper b) Hook scraper
c) Bull nose scraper d) Tri angular scraper
Answer- d

42. 37. Rivets are not made of the following _____ metals
a) Cast iron
b) Copper
c) Wrought Iron
d) mild steel
Answer- a

38. Another name of snap head rivet is cup head rivet. It is used in _____
a) Small tasks
b) Boiler
c) structural work
d) sheet metal work
Answer- c

39. Dowel pin is a _____ fastener
a) Permanent
b) temporary
c) Semi-permanent
d) None of the above
Answer- b

40. Dowel pins are not made of _____ metals among the following
a) stainless steel
b) Spring steel
c) Cast steel
d) Aluminium
Answer- c

41. Pull dowel pins are similar to straight dowel pins except that _______
a) it splits
b) It is chamfered
c) a hole is made at the centre of one end
d) None of the above
Answer- c

42. This pin is used where the part has to be opened and assembled repeatedly
a) Groove dowel pin b) Spring dowel pin
c) Taper dowel pin d) All the three of the above
Answer- c

43. 43. A slot is cut in the entire length of the spring dowel pin due to which it is compressed and
inserted into the hole, the purpose of this slot is
a) To fit into the hole
b) for compressive strength
c) To reduce the size
d) None of these
Answer- b

44. Another name for spring dowel pin is _______
a) Groove hole pin
b) Taper dowel pin
c) Roll pin
d) Parallel dowel pins
Answer- c

45. Split pin is used with which of the following nuts for locking
a) Flange nut
b) Castle nut
c) lock nut
d) Square nut
Answer- b

46. The process of joining two parts like riveting is called _______
a) Pinning
b) Penning
c) Staking
d) soldering
Answer- b

47. Which of the following is not a heavy duty screw
a) Hexagon head screw b) Square head screws
c) Cheese hand screw d) Hexagon socket hand screw
Answer- c

48. Light duty screws are used in light assembly. Which of the following screws is not a light duty
screw?
a) Round head screw b) Cheese head screw
c) Pen head screw d) Counter sink head screw
Answer- d

44. 49. Set screws are used in shaft and pulley or shaft and gear assembly. The feature of these
screws is that
a) some part of them is plane cylindrical
b) They do not have a head; the parts are held by pressure of the point
c) These are operated with the help of a spanner
d. All of the above
Answer- b

50. Groove screws are like set screws, the only difference is that their diameter and length are
relatively smaller, they are used
a) holding two parts together such as a collar pulley or gear on a shaft
b) In heavy duty work
c) in light duty work
d. All of the above
Answer- a

51. Turnbuckles and coupler nuts are made of which metal
a) Cast iron b) Forged steel
c) Alloy steel d) Mild steel
Answer- d

52. Thread forming screws are used to insert threads, in which type of metal do they cut threads?
a) hard metals b) soft materials of small thickness
c) Soft material of greater thickness d) All of the above
Answer- b

53. Self Piercing Screw _______
a) only cut bangles
b) only make holes
c) make holes and cut the bangle
d) None of these
Answer- c

54. The main feature of self piercing screws is
a) They have cut flutes
b) The head is of the same type
c) They are pointed and double started
d) None of these
Answer- c

45. 55. Thumb screws are usually opened or tightened by hand, the shape of their head is ______
a) Oval
b) counter sink
c) Oval counter sink
d) Flat
Answer- d

56. The jaw plate of bench vice is made of which of the following metals?
a) Cast iron
b) Gun metal
c) mild steel
d) Tool steel
Answer- d

57. The spindle of a bench vice has threads –
a) 'V' shaped bangles
b) Square thread
c) Acme bangle
d) Knuckle bangle
Answer- c

58. The size of hand vice is taken
a) by weight
b) By the width of Jove
c) straight distance from rivet centre to jaw
d) All of the given
Answer- c

59. The body of leg vice is made of
a) Cast iron
b) carbon steel
c) mild steel
d) Wrought Iron
Answer- c

60. The spindle of the lag vice has a thread
a) Buttress thread b) Square thread c) Acme thread d) Worm thread
Answer- a

46. 61. Split pin is used with which of the following nuts
a) hexagonal nut
b) slotted nut
c) Flange nut
d) Diamond nut
Answer- b

62. Slots are cut on the raised height of this nut
a) Slotted nut
b) Dom Nutt
c) Castle nut
d) Cymand Nut
Answer- c

63. It is also called self locking nut
a) Simmonds Nutt
b) Wills Nutt
c) Castle nut
d) Lock nut
Answer- a

64. Wire locks are used
a) where nuts are close together
b) Where the nuts are far apart
c) where the nuts are inconveniently located
d) All of the given
Answer- a

65. The chuck nut has locking nut
a) under pressure of bangles
b) By mutual resistance between ordinary nut and chuck nut
c) from split pin
d) with a lock washer
Answer- b

66. Self locking nut has _______ inside it
a) grooves b) nylon or fibre inserts
c) Locking screw d) None of these
Answer- b

47. 67. The difference between ordinary nut and chuck nut is _______
a) Sizes different-2
b) the thickness of the chuck nut is less
c) Ordinary nuts have less thickness
No one
Answer- b

68. This nut has a hexa cut in half and a screw is fitted across it to provide grip
a) Swan or Wilge Nut
b) slotted nut
c) Simond Nutt
d) Castle nut
Answer- a

69. Which of the following is not a reference surface
a) Marking table
b) Work bench
c) Surface plate
d) Angle plate
Answer- b

70. Surface plate is not made of which of the following materials?
a) Mild steel
b) Cast iron
c) Granite
Glass
Answer- a

71. When we prepare three surface plates together it is called ______
a) Wheel Worth's theory
b) Charles's law
c) Boyler's law
d) None of these
Answer- a

72. Rotary file is made of
a) mild steel b) carbon steel
c) Cemented carbide d) Diamond
Answer- c

48. 73. Rotary file is used for
a) Sanding a flat surface
b) Sanding the angular surface
c) for outer round surface
d) For filing holes of different sizes
Answer- d

74. The cross section of a crossing file is oval, its other name is ____
a) rotary file
b) Fish back file
c) cross cut file
d) block file
Answer- b

75. Lathe file has ______ cuts
a) single b) double c) rasp d) curve
Answer- a

76. Riffler file is used for _____
a) Repairing dents in automobiles
b) Filing of die cavity
c) Filing of lathe job
d) All of the given
Answer- b

77. Band files are rectangular pieces attached to a steel band and are used for
a) for filing in circles
b) For filing straight or contour shapes
c) For filing small surfaces
d) for filing grooves
Answer- b

78. Pillar file is like a hand file, its speciality is
a) taper in width
b) parallel in width thickness
c) parallel in width and taper in thickness
d) taper in width and parallel in thickness
Answer- c

49. 79. Needle file is a set of small files. It is available in _______ size in length.
a) 75 to 150 mm b) 80 to 160 mm
c) 120 to 160 mm d) 120 to 180 mm
Answer- d

80. Warding file is used for making keys of locks and slots or key-ways. It is _____
a) taper parallel to the thickness and in width
b) Taper in thickness and parallel in width
c) parallel in both thickness and width
d) All of the given
Answer- a

81. Slip gauge is made of which of the following metals?
a) Carbon steel
b) mild steel
c) high speed steel
d) Stabilized Chromium Steel
Answer- d

82. The size of the sine bar is represented by which of the following?
a) by width
b) by weight
c) from the maximum angle setting
d) the length between the centres of the two rollers
Answer- d

83. The purpose of the stop plate at one end of the sine bar is –
a) To support slip gauges
b) To prevent the job from slipping
c) Easy to use
d) To indicate size
Answer- b

84. The main purpose of the hole in the body of a sine bar is to
a) for easy lifting b) to reduce weight
c) To clamp the job d) To protect it from distortion
Answer- c

50. 85. Snap gauge is of which of the following shapes?
a) Cylindrical
b) oval
c) shaped like the English letter 'C'
d) square shape
Answer- c

86. The frame of snap gauge is made by the following method
a) by machine
b) By welding
c) By forging
d) By casting
Answer- b

87. Thread snab gauge is used for –
a) To check the inner bangles
b) To check the external bangles
c) To check the diameter of internal threads
d) To check the diameter of external threads
Answer- b

88. Screw pitch gauge is used for
a) To find the number of threads per mm
b) To measure the pitch diameter of a screw
c) To measure external measurements
d) None of these
Answer- b

89. Filler gauge is used for
a) To measure the inside measurement of a part
b) To measure the width of the slot
c) To measure the gap between two mating parts
d) To measure angles
Answer- c

90. Gauge is a measuring instrument which
a) Direct measurement b) Indirect measurement
c) Comparative measurement d) None of these
Answer- a

51. 91. The gauge metal is
a) Mild steel
b) high carbon steel
c) Tool steel
d) Chromium steel
Answer- d

92. Number size drills are available in _____ number
a) 0 to 80
b) 1 to 80
c) 0 to 90
d) 1 to 90
Answer- b

93. The largest drill in number size is
a) 1
b) 0
c) 90
d) 80
Answer: a

94. The smallest drill in number size is
a) 1
b) 0
c) 80
d) 90
Ans. c

95. The smallest drill bit in the letter size drill is ____
a) Z
b) A
c) M
d) E
Ans.b

96. Taper shank drills are made in ______ taper
a) Standard
b) Brown & Sharpe
c) Morse
d) Pin
Answer- c

52. 97. The taper of a taper shank drill is in ______ number
a) MT0 to MT5
b) MT1 to MT5
c) MT0 to MT4
d) MT1 to MT4
Ans.b

98. Another name for multiple fluted drill is ______
a) counter sink drill
b) Core drill
c) counter bore drill
d) None of these
Answer- b

99. A hole drilled to a specific depth is called –
a) Pin hole
b) Bore hole
c) Blind hole
d) core hole
Answer- c

100. The point angle of a twist drill is usually kept _____
a) 135
0

b) 90
0

c) 80
0

d) 118
0

Ans.d

101. The relief angle placed behind the cutting lip in the drill is called
a) Rack angle
b) helix angle
c) lip clearance angle
d) Chisel edge angle
Answer- b

102. Taper shank drills are removed from the machine spindle by
a) with the tang of a file b) with a hammer
c) Drift d) Punch
Answer- c

53. 103. Counter sinking of holes for riveting is done by
a) 75
0

b) 120
0
c) 90
0

d) 80
0

Answer: a

104. A drill is used to fit the head of a hexagonal socket head bolt
a) counter sink drill
b) counter bore drill
c) Twist drill
d) Core drill
Answer- b

105. Template is not made of which of the following?
a) Sheet
b) Cardboard
c) Cardboard
d) Rubber
Answer- d

106. The accuracy of a gauge is _____ than that of a template
a) less
b) more
c) Equal
d) None of these
Answer- b

107. Filler gauge is used
a) To adjust the play of the part
b) To check the job radius
c) To check the accuracy of the hole
d) To check the gap between two matching parts/fit parts
Answer- d

108. Taper ring gauge is used for
a) for inside taper b) for outside taper
c) For inner bangles d) For outer bangles
Answer- b

54. 109. Gauges are used at which of the following standard temperatures
a) 15
0
F
b) 15
0
C
c) 20
0
F
d) 20
0
C
Ans.d

110. The diameter of the go end of the limit plug gauge is equal to ______
a) basic hole sizes
b) Actual size of the hole
c) Minimum allowable hole size
d) Maximum allowable hole size
Answer- a

111. Standard thread plug gauge has one end threaded while the other end is plain, the plain end
is checked
a) outside diameter of the hole
b) outside diameter of the thread
c) Minor diameter of the thread
d. All of the above
Answer- c

112. Plain ring gauge has a 'V' groove made on the outer surface. This represents ______ two
a) Fineness of gauge
b) 'No' to 'Go' end
c) to the 'go' end
d) Method of making/design
Answer- b

113. Taper ring gauge has a stop at one end which means:
a) for design
b) To reduce weight
c) The end of the job should come in the middle of this step
d) All of the given
Answer- c

114. The size of filler gauge is taken as
a) length of the leaf b) radius of the leaf
c) Thickness of the leaf d) All of the given
Answer- c

55. 115. It is checked with wire gauge
a) length of the wire
b) length of the sheet
c) wire diameter and sheet thickness
d) All of the given
Answer- c

116. Hole gauge is used for
a) depth of the hole b) diameter of the hole
c) depth of slot d) width of slot
Answer- b

117. Checks telescope gauges
a) outside diameter
b) Depth
c) Inside size
d) Taper
Answer- c

118. Slip gauge does not get damaged by the use of protractor slip. It is made of ______ metal.
a) Tungsten carbide
b) mild steel
c) Cast steel
d) Close grain cast iron
Answer- a

119. Grade-1 slip gauge is used for
a) For inspection
b) By artisans in the workshop
c) For calibration
d) All of the given
Answer- a

120. Grade-00 slip gauge is used for
a) By artisans in the workshop
b) For inspection
c) To check the accuracy of slip gauges of other grades
d) All of the given
Answer- c

56. 121. _____ is used to clean slip gauges after use
a) Kerosene oil
b) Mobil oil
c) Carbontetrachloride
d) All of these
Answer- c

122. Sine bar works on _____ principle
a) Trigonometry
b) Geometry
c) Algebraic
No one
Answer- a

123. The accuracy of reference gauge is
a) 0.001mm
b) 0.01mm
c) 0.0001mm
d) 0.05mm
Answer: a

124. According to BIS a special set of slip gauges is used
a) 78 Pieces
b) 110 Pieces
c) 112 Pieces
d) 63 Pieces
Ans. c

125. Cinnabar is used
a) Measuring the diameter of the hole
b) Measuring the angle of a taper job
c) leveling the job for drilling
d) To check the profile of the thread
Answer- b

126. When using sine bars for measuring angles, the angle formed is based on the ratio between
the height of the slip gauges and the ______
a) height of sine bar b) length of sine bar
c) Number of slip gauges d) Width of sine bar
Answer- b

57. 127. A stopper is fitted at one end of the sine bar whose function is _____
a) Supporting slip gauges
b) To use as a reference when setting up
c) easy to use
d) To prevent the job from slipping
Answer- d

128. Who is responsible for quality?
a) Operator
b) Engineer or Designer
c) Inspector
d) All of these
Answer- d

129. The imperfections on the surface of a part due to its manufacturing process are called
a) Roughness
b) Waviness
c) secondary structure
d) Vavine spacing
Answer- a

130. The surface structure and components that enforce roughness are called
a) take
b) Roughness
c) primary texture
d) Wavelike
Answer- d

131. Abrasives used for honing non-ferrous metals are
a) Diamond
b) Silicon Carbide
c) aluminium oxide
d) Boron carbide
Answer- b

132. Grooves are kept in the lapping plate
a) to collect metal chips b) to reduce friction
c) To hold the lapping paste d) To prevent the plate from curvature
Answer- c

58. 133. Lap is made of which of the following metals?
a) Aluminum
b) high carbon steel
c) high speed steel
d) nickel steel
Answer- a

134. The charging material in lapping is _____
a) Lapping tool
b) Workpiece
c) Lapping compound
d) Abrasive particles
Answer- d

135. Lap is not made of which of the following metals?
a) High speed steel
b) Brass
c) Aluminum
d) Copper
Answer- a

136. Lapping is done in
a) on outer surfaces only
b) on inner surfaces only
c) on both outer and inner surfaces
d) None of these
Answer- c

137. Aluminium oxide abrasive is used in lapping process.
a) for hard metals
b) for non ferrous metals
c) for hard steel
d) All of these
Answer- b

138. Silicon carbide abrasives are used for lapping _______
a) copper b) brass c) hard steel d) soft steel
Answer- c

59. 139. _____ abrasive is more suitable for lapping dies and gauges
a) Silicon carbide
b) Boron Carbide
c) aluminium oxide
d) Diamond
Answer- b

140. Diamond abrasive is a very hard abrasive. It is mainly used for lapping ______
a) hard steel
b) non ferrous metal
c) Cast iron
d) Tungsten carbide
Answer- d

141. _____ abrasive is used for lapping cast iron
a) Diamond
b) aluminium oxide
c) Silicon Carbide
d) Boron carbide
Answer- c

142. The paste applied on the surface of the job for lapping is called _____
a) Abrasives
b) Vessels
c) Soluble oil
d) Lapping compound
Answer- d

143. Honing is done in
a) on outer surfaces
b) on inner surfaces
c) holes and outer cylindrical surfaces
d) All of these
Answer- c

144. Aluminium oxide abrasive honing stick is used for
a) For low tensile strength materials b) For high tensile strength materials
c) Both d) None
Answer- a

60. 145. ______ honing stick is used for cutting large metals
a) Finegrain
b) Medium Grain
c) Korsgren
d) No one
Answer- c

146. _____ honing stick is used for better finishing
a) Finegrain
b) Medium Grain
c) Korsgren
d) No one
Answer- a

147. In honing method the movement of spindle is
a) Vertical
b) Reciprocating
c) vertical and reciprocating
d) Horizontal and Reciprocating
Answer- c

148. Honing allowance is kept in ______
a) 0.01 to 0.02mm
b) 0.05 to 0.10mm
c) 0.001 to 0.002mm
d) 0.005 to 0.01mm
Answer- a

149. Coolant is used in vat honing, honing stone of _______ No. grain size is used to cut less metal
a) 40 to 60 c) 80 to 100
b) 80 to 120 d) 120 to 300
Answer- d

150. If the surface of a job is not flat or has flaws or spots, then it is leveled by pressing the surface
with balls or rollers, which is called ______
a) Tumbling b) Burnishing
c) Super finishing d) None
Answer- b

61. 151. The height, distance and direction of the marks left by the cutting tool on the surface of the job
reveal _____
a) take
b) Profile
c) Waveness
d) Retailing
Answer- d

152. The direction in which the finishing of the job surface is done is called ______
a) take
b) Falaj
c) Hills and Villi
d) Wavelike
Answer- a

153. The marks made by the cutting tool on the surface of the job which are high and low are
called _____
a) Flag
b) Hills and Valleys
c) take
d) Retailing
Answer- b

154. The length of the job in which the ups and downs of the surface are measured is called _____
a) take
b) Hills and Valleys
c) Sampling surface
d) Smoothness
Answer- c

155. If the hand slips on the surface when checked by hand, then it is called
a) Lake b) Hills and valleys c) Sampling surface d) Smoothness
Answer- d

156. Calibrated blocks are used for
a) To take measurements
b) For scratch inspection
c) To take comparative measurements
d) No one
Answer- c

62. 157. The stylus of a mechanical surface indicator is made of
a) Diamond
b) Carbide
c) Stellite
d) Ceramics
Answer- a

158. The value of surface roughness i.e. surface texture quality represented arithmetically or
statistically is called Ra-Value. This value is represented by _____
a) Meter
b) micron
c) cm
d) mm
Answer- b

159. Ra value is expressed as
b) 0.00001 inch
b) 0.0001 inch
c) 0.000001 meter
d) 0.0001mm
Ans.d

160. Surface finish means
a) heat treatment done on the surface
b) Electroplating on the surface
c) precision of the machined surface
d) smoothness or roughness of the surface
Answer- d

161. When a surface has many asperities it is
a) Roughness
b) Wavy
c) Other types of surfaces
d) wavy lines
Answer- a

162. The pearlite structure is a mixture of ferrite and cementite, the percentage of which is _____:
a) 88% ferrite and 12% cementite b) 67% ferrite and 33% cementite
c) 35% ferrite and 65% cementite d) 80% ferrite and 20% cementite
Answer: a

63. 163. The amount of carbon in ferrite structure is
a) 0.01 to 0.2%
b) 0.05 to 0.25%
c) 0.002 to 0.15%
d) 0.008 to 0.025%
Ans.d

164. The amount of carbon in cementite structure is:
a) Less than 0.7%
b) More than 0.8%
c) More than 0.9%
d) More than 0.65%
Answer- b

165. What does it mean that the soaking time of the workpiece is maintained in heat treatment?
a) the total time the workpiece is kept in the furnace
b) the length of time it is kept above the upper critical temperature
c) Once we have heated the workpiece to the appropriate temperature, we keep it at the same
temperature for a certain period of time
d) No one
Answer- c

166. The temperature up to which a change in the internal structure of steel begins after heating is
called _____
a) Melting point
b) Point of Reconnaissance
c) Upper critical point
d) lower critical point
Answer- d

167. The lower critical temperature of steel is
a ) 600
0C

b) 723
0C

c ) 850
0C

d ) 900
0C

Ans.b

168. The upper critical temperature of steel is
a ) 600
0C
b ) 800
0C

c ) 850
0C
d ) 900
0C

Ans.b

64. 169. By hammering or beating steel in hot or cold state, its internal structure changes, the process
of bringing it back to normal is called _____
a) Normalizing
b) Annealing
c) Carburising
d) None of these
Answer- a

170. While hardening, various types of mediums are used to cool the hot steel. Which of the
following mediums is used for rapid cooling?
a) Oil
b) Air or Vayu
c) Solution of salt or caustic soda in water
d) water and oil
Answer- c

171. While tempering, the tempering colour is of special importance. Tell the temperature at which
blue colour appears?
a ) 250
0C

b ) 300
0C

c ) 280
0C

d ) 230
0C

Ans.b

172. Tempering temperature is maintained according to the desired properties. Usually this
temperature is
a) 250
0
to 800
0
C
b) 200
0
to 723
0
C
c) 100
0
to 400
0
C
d) 180
0
to 650
0
C
Ans.d

173. The main purpose of annealing is
a) Improve machinability
b) Increasing toughness
c) internal improvements
d) reducing brittleness
Answer- a

65. 174. While normalizing the part is cooled
a) immersed in water b) forced air c) immersed in oil d) in still air at room temperature
Answer- d

175. Which fuel is not used in forge furnaces?
a) Petroleum thirty
b) Oil
c) Coal, Charcoal
d) Electric current
Answer- d

176. Changing the internal structure of steel by heating and cooling it is called
a) Normalizing
b) Hardening
c) Heat treatment
d) Case hardening
Answer- c

177. A method of heat treatment in which the steel is heated according to its carbon % and the part
is allowed to cool slowly in an air tight room
a) Tempering
b) Normalizing
c) annealing
d) Hardening
Answer- b

178. Mild steel is case hardened, its core is ______
a) Full hardened
b) soft and spongy
c) Brittle
d) No one
Answer- b

179. Which of the following substances is not used for carburizing?
a) Sodium
b) Bohrium Carbonate
c) Calcium Carbonate
d) Molasses
Answer- a

66. 180. In gas nitriding mild steel parts are heated to 500
0
C and _____ gas is passed through the hot
part
a) carbon b) oxygen c) ammonia d) hydrogen
Answer- c

181. The induction coil used in induction hardening is made of which of the following metals?
a) Copper
b) Brass
c) mild steel
d) Cast steel
Answer- a

182. Induction hardening is suitable for _____ metal parts
a) Cast iron
b) mild steel
c) 0.35% to 0.7% carbon steel
d) Wrought Iron
Answer- c

183. In this method, hardening of small sized jobs is difficult because in this the job gets hardened
throughout its thickness.
a) induction hardening
b) Flame hardening
c) Gas nitriding
d) Carburizing
Answer- b

184. The indicator of Rockwell hardness testing machine is made of _____ material
a) Carbide
b) Diamond
c) Stellite
d) high carbon steel
Answer- b

185. Brinell hardness testing is used to check the hardness of ______ metals
a) Rigid
b) soft
c) Ferrous
d) All
Answer- b

67. 186. The indicator of Brinell hardness testing machine is made of _______ material
a) Tungsten carbide b) Stellite c) High steel d) High speed steel
Answer- a

187. Tempering of high speed steel is done by
a) 220
0
C to 230
0
C
b. 280
0
C

to 400 0C
c) 550
0
C to 600
0
C
d) 230
0
C to 270
0
C
Ans. c

188. Case hardening is a process in which the outer surface of a _____ metal is hardened
a) High carbon steel
b) Alloy steel
c) Cast steel
d) mild steel
Answer- d

189. While hardening steel, it is kept at the required temperature for some time which is called
soaking time. This is kept
a) 5 minutes for 10mm thickness
b) 2 minutes for 20mm thickness
c) 20 minutes for 2 mm thickness
d) 10 minutes for 5mm thickness
Answer- a

190. Liquid carburizing is done in salt bath. Which of the following is a salt bath?
a) Sodium cyanide
b) Bohrium sulphate
c) Sodium carbonate
d) Sodium sulphate
Answer- d

191. Aluminium is a non-ferrous metal. Which of the following is not its use?
a) making paints
b) Making cooking utensils
c) Doors, window frames
d) brass making
Answer- d

68. 192. Gun metal is a composition of copper, tin and zinc.
a) 88, 10, 2% b) 60, 35, 5 %
c) 80, 15, 5% d) 55, 40, 5%
Answer: a

193. Tin is a metal. It is placed in _____ group.
a) Ferrous
b) Ferrous alloys
c) Non ferrous
d) Non ferrous alloys
Answer- c

194. Tin is a non-ferrous metal, its melting point is
a ) 418
0C

b) 648
0C

c ) 230
0C

d ) 950
0C

Ans. c

195. The melting point of brass is about _____
0 C

a) 950
b) 800
c) 1083
d) 1100
Answer: a

196. Ferrous metals usually rust. This is the _____ property of metals.
a) Physical
b) Chemical
c) Mechanical
d) None of these
Answer- b

197. Electroplating on metal surface to protect it from corrosion is _____ method
a) Permanent treatment
b) Semi-permanent treatment
c) temporary treatment
d) None of these
Answer- a

69. 198. Zinc plating on mild steel parts/sheets is called ______
a) tinning b) electroplating
c) Metal sparing d) Galvanizing
Answer- d

199. Monel metal is prepared by mixing this metal with copper in the ratio of 2:1. It is not affected
by the salty water of the sea.
a) nickel b) chromium c) copper d) zinc
Answer- a

200. It is an excellent building material and is used for steel coating.
a) Zinc
b) Nickel
c) Copper
d) Chromium
Answer- a

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