ELECTRICAL-SESSION.pdfFFFFFFFFFFFFFFFFFFFFFFFF

FOR LET REVIEW

1. This Photoby Unknown Author is licensed under CC BY-SA

2. Which is a box with a blank cover for joining
runs of conduits and providing space for
connection and branching of enclosed
conductors?
a. Blank box
b. Junction box
c. Terminal box
d. Pull box

4. Which is a box with a blank cover for joining
runs of conduits and providing space for
connection and branching of enclosed
conductors?
a. Blank box
b. Junction box
c. Terminal box
d. Pull box

5. A form of electricity where the flow of
current is always in the same direction:
a. voltage
b. power
c. alternating current
d. direct current

6. A form of electricity where the flow of
current is always in the same direction:
a. voltage
b. power
c. alternating current
d. direct current

7. Which is a box with a blank cover is inserted in
one or more runs of raceway to facilitate
pulling of the conductors?
a. Blank box
b. Junction box
c. Terminal box
d. Pull box

8. Which is a box with a blank cover is inserted in
one or more runs of raceway to facilitate
pulling of the conductors?
a. Blank box
b. Junction box
c. Terminal box
d. Pull box

9. The force which opposes and reduces the flow
of electrical current is recognized as
________.
a. power
b. resistance
c. electromagnetism
d. frequency

10. The force which opposes and reduces the
flow of electrical current is recognized as
________.
a. power
b. resistance
c. electromagnetism
d. frequency

11. A part of an electric circuit which converts
electrical energy into another form of energy to
do work is ________.
a. load
b. circuit
c. source
d. control

12. A part of an electric circuit which converts
electrical energy into another form of energy to
do work is ________.
a. load
b. circuit
c. source
d. control

13. A law that states that current is directly
proportional to voltage and inversely
proportional to resistance is known as
________.
a. PEC
b. Law of Resistivity
c. Kirchoff'sLaw
d. Ohm's Law

14. A law that states that current is directly
proportional to voltage and inversely
proportional to resistance is known as
________.
a. PEC
b. Law of Resistivity
c. Kirchoff'sLaw
d. Ohm's Law

15. In Ohm's Law, to find the unknown voltage in
the circuit, the formula to be used is:
a. E = I x R
b. E = I / R
c. I = E / R
d. R = E / I

16. In Ohm's Law, to find the unknown voltage in
the circuit, the formula to be used is:
a. E = I x R
b. E = I / R
c. I = E / R
d. R = E / I

17. What amount of current does a 40-watt
fluorescent lamp draw from a 220 volts power
source?
a. 5.5 amperes
b. 0.18 amperes
c. 25.5 amperes
d. 50.5 amperes

18. What amount of current does a 40-watt
fluorescent lamp draw from a 220 volts power
source?
a. 5.5 amperes
b. 0.18 amperes
c. 25.5 amperes
d. 50.5 amperes

19. There are several factors involved in electrical
wiring installationbut the foremost
consideration is ________.
a. cost
b. labor
c. safety
d function

20. There are several factors involved in electrical
wiring installationbut the foremost
consideration is ________.
a. cost
b. labor
c. safety
d function

21. The standard number or diameter of wires for
convenience outlet layout should be?
a. 12
b. 14
c. 18
d. 10

22. The standard number or diameter of wires for
convenience outlet layout should be?
a. 12
b. 14
c. 18
d. 10

23. To comply with the requirements of the
Philippine Electrical Code, the appropriate
fuse rating for lighting outlet should be
________.
a. 15 amperes
b. 30 amperes
c. 60 amperes
d. 20 amperes

24. To comply with the requirements of the
Philippine Electrical Code, the appropriate
fuse rating for lighting outlet should be
________.
a. 15 amperes
b. 30 amperes
c. 60 amperes
d. 20 amperes

25. Planning and designing of electrical wiring plan
is being done in order to:
a. Provide efficient and effective wiring system
of the building.
b. Maintain quality workmanship.
c. Avoid overloaded circuit.
d. Protect the circuit from high current.

26. Planning and designing of electrical wiring plan
is being done in order to:
a. Provide efficient and effective wiring system
of the building.
b. Maintain quality workmanship.
c. Avoid overloaded circuit.
d. Protect the circuit from high current.

27. Circuit breakers are used to protect household
electrical circuits. What is the ampacity rating
of the breaker used for convenience outlets or
general-purpose circuits?
a. 20 amperes
b. 30 amperes
c. 15 amperes
d. 60 amperes

28. Circuit breakers are used to protect household
electrical circuits. What is the ampacity rating
of the breaker used for convenience outlets or
general-purpose circuits?
a. 20 amperes
b. 30 amperes
c. 15 amperes
d. 60 amperes

29. To conserve energy, what kind of lamp should
be used in lighting fixtures?
a. Incandescent lamp
b. Mercury lamp
c. Compact fluorescent lamp
d. Neon lamp

31. To conserve energy, what kind of lamp should
be used in lighting fixtures?
a. Incandescent lamp
b. Mercury lamp
c. Compact fluorescent lamp
d. Neon lamp

32. The size of electrical
wire recommended
for installing lighting
fixtures is:
a. No. 12 AWG
b. No. 10 AWG
c. No. 18 AWG
d. No. 14 AWG

33. The size of electrical wire recommended
for installing lighting fixtures is:
a. No. 12 AWG
b. No. 10 AWG
c. No. 18 AWG
d. No. 14 AWG

34. What is the voltage required by an automatic
pressure cooker having a resistance of 20 ohms
when the current flowing is 8 amperes?
a. 240 volts
b. 480 volts
c. 120 volts
d. 160 volts

35. What is the voltage required by an automatic
pressure cooker having a resistance of 20 ohms
when the current flowing is 8 amperes?
a. 240 volts
b. 480 volts
c. 120 volts
d. 160 volts

36. In a 220-volt power line, three 50-watt
incandescent bulbs are connected in parallel. How
many more bulbs will light if one of the bulbs is
open?
a. One
b. Two
c. All
d. None

37. In a 220-volt power line, three 50-watt
incandescent bulbs are connected in parallel. How
many more bulbs will light if one of the bulbs is
open?
a. One
b. Two
c. All
d. None

38. Which of the following electrical symbols in
wiring diagram means that there are three
wires running in a line?
a. ----/-/-/----
b. -----/-/-/-/----
c. ------------
d. S3W

39. Which of the following electrical symbols in
wiring diagram means that there are three
wires running in a line?
a. ----/-/-/----
b. -----/-/-/-/----
c. ------------
d. S3W

40. What type of switch is used to control
alternately three-phase line system using two
sources of power?
a. Double Pole Single Throw Switch
b. Single Pole Double Throw Switch
c. Triple Pole Single Throw Switch
d. Triple Pole Double Throw Switch

42. What type of switch is used to control
alternately three-phase line system using two
sources of power?
a. Double Pole Single Throw Switch
b. Single Pole Double Throw Switch
c. Triple Pole Single Throw Switch
d. Triple Pole Double Throw Switch

43. Which of the following is the best
conductor of electricity?
a. Copper
b. Aluminum
c. Silver
d. Gold

46. Which of the following is the best
conductor of electricity?
a. Copper
b. Aluminum
c. Silver
d. Gold

47. Which is used to change mechanical
energy into electrical energy?
a. Battery
b. Circuit
c. Dry cell
d. Generator

48. Which is used to change mechanical
energy into electrical energy?
a. Battery
b. Circuit
c. Dry cell
d. Generator

49. What type of switch is used when you
want to control one lamp or group of
lamps in two different locations?
a. Two, 3-way switch
b. One, 4-way switch
c. Two, single switch
d. Duplex switch

50. What type of switch is used when you
want to control one lamp or group of
lamps in two different locations?
a. Two, 3-way switch
b. One, 4-way switch
c. Two, single switch
d. Duplex switch

51. The resistors are to be connected in four
possible types of circuit connections namely
series, parallel, series-parallel and parallel-
series. Which type of connection will give the
least amount of equivalent resistance?
a. Series
b. Parallel
c. Series-parallel
d. Parallel-series

53. The resistors are to be connected in four
possible types of circuit connections namely
series, parallel, series-parallel and parallel-
series. Which type of connection will give the
least amount of equivalent resistance?
a. Series
b. Parallel
c. Series-parallel
d. Parallel-series

54. Which is an exposed wiring method that uses
cleats, knowbs, tubes and flexible tubing for
the protection and support of single insulated
conductor run in or on building and not
concealed by the building structure?
a. Open wiring on insulators
b. Armored cable wiring
c. Concealed knob and tube wiring
d. Metal clad cable wiring

55. Which is an exposed wiring method that uses
cleats, knowbs, tubes and flexible tubing for
the protection and support of single insulated
conductor run in or on building and not
concealed by the building structure?
a. Open wiring on insulators
b. Armored cable wiring
c. Concealed knob and tube wiring
d. Metal clad cable wiring

56. What will happen if two 100-W, 230 V
incadescent lamps are connected in series
across a 230 V source?
a. Both lamps will consume more power.
b. Both lamps will get burnt.
c. Each lamp will give lesser output lights.
d. Each lamp will give more output lights.

57. What will happen if two 100-W, 230 V
incadescent lamps are connected in series
across a 230 V source?
a. Both lamps will consume more power.
b. Both lamps will get burnt.
c. Each lamp will give lesser output lights.
d. Each lamp will give more output lights.

58. What is the reason why electrical appliances
are connected in parallel rather than in series?
a. Parallel connection consumes lesser power.
b. Parallel connection is simpler than series
connection.
c. Each appliances consumes more power if
connected in series.
d. It makes the operation of each appliance
independent of each other.

59. What is the reason why electrical appliances
are connected in parallel rather than in series?
a. Parallel connection consumes lesser power.
b. Parallel connection is simpler than series
connection.
c. Each appliances consumes more power if
connected in series.
d. It makes the operation of each appliance
independent of each other.

60. When replacing a busted fuse which of the
following is important?
a. same size and type
b. same type but different rating
c. same size but different rating
d. different size and type

61. When replacing a busted fuse which of the
following is important?
a. same size and type
b. same type but different rating
c. same size but different rating
d. different size and type

62. In a simple electrical connection, one of the
lines of the source is connected to ________.
a. Terminal 1 of the load
b. Terminal 2 of the load
c. Terminal 1 of the switch
d. Terminal 1 & 2 of the switch

63. In a simple electrical connection, one of the
lines of the source is connected to ________.
a. Terminal 1 of the load
b. Terminal 2 of the load
c. Terminal 1 of the switch
d. Terminal 1 & 2 of the switch

64. Which of the following is a source of
alternating current?
a. Dynamo
b. Battery
c. Dry cell
d. Alternator

65. Which of the following is a source of
alternating current?
a. Dynamo
b. Battery
c. Dry cell
d. Alternator

66. When there is a break in the circuit and the
current could not pass through, the circuit is
________.
a. closed
b. shorted
c. grounded
d. open

67. When there is a break in the circuit and the
current could not pass through, the circuit is
________.
a. closed
b. shorted
c. grounded
d. open

68. Which is synchronous alternating-current
machine that changes mechanical power into
electrical power?
a. Dynamo
b. Motor
c. Alternator
d. Lathe machine

69. Which is synchronous alternating-current
machine that changes mechanical power into
electrical power?
a. Dynamo
b. Motor
c. Alternator
d. Lathe machine

70. Which battery CANNOT be recharged after
its chemical energy has been depleted?
a. Energizer
b. Eveready
c. Primary battery
d. Secondary battery

71. Which battery CANNOT be recharged after
its chemical energy has been depleted?
a. Energizer
b. Eveready
c. Primary battery
d. Secondary battery

72. Which generator generates direct current?
a. Alternator
b. Dynamo
c. Battery
d. Adaptor

73. Which generator generates direct current?
a. Alternator
b. Dynamo
c. Battery
d. Adaptor

74. An electrical component used to control
electrical circuit in two different locations is
called:
a. four-way switch
b. three-way switch
c. push-button switch
d. remote controlled switch

75. An electrical component used to control
electrical circuit in two different locations is
called:
a. four-way switch
b. three-way switch
c. push-button switch
d. remote controlled switch

76. A series connected dry cells will result to
________.
a. increase in the amount of current
b. increase in the amount of voltage
c. increase total resistance
d. more powerful supply of electricty

77. A series connected dry cells will result to
________.
a. increase in the amount of current
b. increase in the amount of voltage
c. increase total resistance
d. more powerful supply of electricty

78. Which battery can be recharged after each
chemical energy has been depleted?
a. Primary battery
b. Energizer
c. Eveready
d. Secondary battery

79. Which battery can be recharged after each
chemical energy has been depleted?
a. Primary battery
b. Energizer
c. Eveready
d. Secondary battery

80. A part of an electrical circuit, consists of
batteries, generator or a main electrical power
which supplies electricity is called ________.
a. control
b. load
c. source
d. voltage

81. A part of an electrical circuit, consists of
batteries, generator or a main electrical power
which supplies electricity is called ________.
a. control
b. load
c. source
d. voltage

82. A process in splitting the atom of uranum is
called ________.
a. fusion
b. fission
c. friction
d. tension

83. A process in splitting the atom of uranum is
called ________.
a. fusion
b. fission
c. friction
d. tension

84. A process by joining hydrogen atoms which
causes heat hotter than the sun is called
________.
a. fusion
b. fission
c. friction
d. tension

85. A process by joining hydrogen atoms which
causes heat hotter than the sun is called
________.
a. fusion
b. fission
c. friction
d. tension

86. Which transforms heat energy to electric
energy?
a. Transformers
b. Battery
c. Generator
d. Thermocouple

87. Which transforms heat energy to electric
energy?
a. Transformers
b. Battery
c. Generator
d. Thermocouple

88. Which is the kinetic energy of falling water?
a. Thermo energy
b. Hydro energy
c. Solar energy
d. Mechanical energy

89. Which is the kinetic energy of falling water?
a. Thermo energy
b. Hydro energy
c. Solar energy
d. Mechanical energy

90. Which is a solar collector that is capable of
producing voltage when exposed to radiant
energy (sunlight)?
a. Photoelectric
b. Photovoltaic system
c. Photoemission system
d. Solar light

91. Which is a solar collector that is capable of
producingvoltage when exposed to radiant
energy (sunlight)?
a. Photoelectric
b. Photovoltaic system
c. Photoemission system
d. Solar light

92. Energy derived or extracted from the
internal heat of the earth is called ________.
a. volcanic
b. geothermal
c. thermal
d. chemical

93. Energy derived or extracted from the
internal heat of the earth is called ________.
a. volcanic
b. geothermal
c. thermal
d. chemical

94. Which refers to the extraction of electrons
from a substance by sunlight on incident
electromagnetic radiation?
a. Photoelectric effect
b. Photovoltaic effect
c. Photoemission
d. Electron microscopy

95. Which refers to the extraction of electrons
from a substance by sunlight on incident
electromagnetic radiation?
a. Photoelectric effect
b. Photovoltaic effect
c. Photoemission
d. Electron microscopy

96. Which statement is TRUE?
a. Bigger size of wire has higher resistance.
b. Bigger size of wire has lower resistance.
c. Long wire has lesser resistance.
d. Short wire has higher resistance.

97. Which statement is TRUE?
a. Bigger size of wire has higher resistance.
b. Bigger size of wire has lower resistance.
c. Long wire has lesser resistance.
d. Short wire has higher resistance.