Question Bank 1

AR. ANGEL B. MANLAPAO, UAP, RMP

1.Which of the following is a unit of
electrical pressure?

A. Watt
B. Ampere
C. Ohm
D. Volt
1.Which of the following is a unit of
electrical pressure?

A. Watt
B. Ampere
C. Ohm
D. Volt
2. In resistance color coding, red color
is assigned to what value?

A. 3
B. 0
C. 2
D. 1
2. In resistance color coding, red color
is assigned to what value?

A. 3
B. 0
C. 2
D. 1
3. What is another name for secondary
cell?

A. Wet cell
B. Storage cell
C. Dry cell
D. Disposable cell
3. What is another name for secondary
cell?

A. Wet cell
B. Storage cell
C. Dry cell
D. Disposable cell
4.How is a voltmeter connected in a
circuit?

A. Connect in short circuit across the

load
B. Connect in shunt across the load
C. Connect in series across the load
D. Connect in open circuit with the load
4.How is a voltmeter connected in a
circuit?

A. Connect in short circuit across the

load
B. Connect in shunt across the load
C. Connect in series across the load
D. Connect in open circuit with the load
5. In the American Wire Gauge, as the
number of gauge wire increase the wire
diameter

A. Increases
B. Decreases
C. Does not change
D. Does changes
5. In the American Wire Gauge, as the
number of gauge wire increase the wire
diameter

A. Increases
B. Decreases
C. Does not change
D. Does changes
6. A generator may lost residual
magnetism because of?

A. Vibration
B. Over-excitation
C. Heating
D. Varying loads
6. A generator may lost residual
magnetism because of?

A. Vibration
B. Over-excitation
C. Heating
D. Varying loads
7. A meter whose needle at the
center ?

A. Dynamometer
B. Iron vane meter
C. Galvanometer
D. voltmeter
7. A meter whose needle at the
center ?

A. Dynamometer
B. Iron vane meter
C. Galvanometer
D. voltmeter
8. A universal motor can be operated
on which of the following supply
currents?

A. DC current only
B. AC or DC currents
C. 3-phase AC current only
D. AC current only
8. A universal motor can be operated
on which of the following supply
currents?

A. DC current only
B. AC or DC currents
C. 3-phase AC current only
D. AC current only
9. A 6-volt lead acid battery has an
internal resistance of 0.01 ohm. How
much current will flow if the battery has
a short circuit?

A. 60 A
B. 600 A
C. Infinity
D. Zero
9. A 6-volt lead acid battery has an
internal resistance of 0.01 ohm. How
much current will flow if the battery has
a short circuit?

A. 60 A
B. 600 A I=E/T
C. Infinity I= 6/0.01
D. Zero I= 600 A
10. Automatic device that operates at
preset values is know as _______?

A. Relay
B. Mercury switch
C. Contactor
D. Fuse
10. Automatic device that operates at
preset values is know as _______?

A. Relay
B. Mercury switch
C. Contactor
D. Fuse
11.What is another name for full
voltage starting?

A. Reduce voltage starting

B. Full load starting
C. Direct on line
D. Starting without a contactor
11.What is another name for full
voltage starting?

A. Reduce voltage starting

B. Full load starting
C. Direct on line
D. Starting without a contactor
12. What is the resistance reading of a
shorted capacitor?

A. High resistance
B. Zero resistance
C. Infinite resistance
D. 10 ohm
12. What is the resistance reading of a
shorted capacitor?

A. High resistance
B. Zero resistance
C. Infinite resistance
D. 10 ohm
13. A wire has a diameter of 0.125 inch
.What is its cross sectional area in
circuit mils?

A. 12,500
B. 22,500
C. 15,625
D. 10,800
13. A wire has a diameter of 0.125 inch
.What is its cross sectional area in
circuit mils?

A. 12,500 A=0.125” x 1000mils/1”

B. 22,500 A= 125
C. 15,625 A= (125)²
D. 10,800 A= 15,625 cir. mils
14. In metric standard, what is the unit
of conductor sizes?

A. AWG
B. Circular mils
C. MM²
D. CM²
14. In metric standard, what is the unit
of conductor sizes?

A. AWG
B. Circular mils
C. MM²
D. CM²
15. Multimeters consist of a ________?

A. Voltmeter, current meter and an

ohmmeter
B. Voltmeter and an ammeter
C. Current meter and an ohmmeter
D. Voltmeter and current meter
15. Multimeters consist of a ________?

A. Voltmeter, current meter and an

ohmmeter
B. Voltmeter and an ammeter
C. Current meter and an ohmmeter
D. Voltmeter and current meter
16. What component of an atom that
doesn’t have any electrical charge?

A. Electron
B. Proton
C. Neutron
D. Ion
16. What component of an atom that
doesn’t have any electrical charge?

A. Electron
B. Proton
C. Neutron
D. Ion
17. Excitation current is used in which
of the following motors?

A. Synchronous motors
B. Wound rotor motors
C. Induction motors
D. squirrel cage motors
17. Excitation current is used in which
of the following motors?

A. Synchronous motors
B. Wound rotor motors
C. Induction motors
D. squirrel cage motors
18. A simple ohmmeter consist of a
meter movement in series with?

A. An inductor
B. A spring
C. A capacitor
D. A battery
18. A simple ohmmeter consist of a
meter movement in series with?

A. An inductor
B. A spring
C. A capacitor
D. A battery
19. What is the former name of the
American Wire Gauge?

A. NEMA
B. Westinghouse
C. Brown and Sharpe
D. IEEE
19. What is the former name of the
American Wire Gauge?

A. NEMA
B. Westinghouse
C. Brown and Sharpe
D. IEEE
20. What resistance must be connected
across a 4 ohm resistance in order to
give an equivalent resistance of 3
ohms?

A. 10 ohms
B. 8 ohms
C. 12 ohms
D. 9 ohms
20. What resistance must be connected
across a 4 ohm resistance in order to
give an equivalent resistance of 3
ohms?

A. 10 ohms
B. 8 ohms 1/Rt=1/R1 + 1/R2
C. 12 ohms 1/3 = 1/4 + 1/X
D. 9 ohms X = 12
21. When using ohms law E divided by
I would solve for______?

A. Watts
B. Amperes
C. Voltage
D. Resistance
21. When using ohms law E divided by
I would solve for______?

A. Watts
B. Amperes R= E/I
C. Voltage
D. Resistance
22. Modern contact surfaces are made
from what alloys?

A. Copper
B. Silver
C. Aluminum
D. Manganin
22. Modern contact surfaces are made
from what alloys?

A. Copper
B. Silver
C. Aluminum
D. Manganin
23. On a simple ohmmeter, the zero
ohm mark is ______of the scale?

A. In the right
B. Far left
C. Non of these
D. Far right
23. On a simple ohmmeter, the zero
ohm mark is ______of the scale?

A. In the right
B. Far left
C. Non of these
D. Far right
24. Two resistance of 8 & 10 ohms
respectively are connected in parallel and
take a total current of 9 A. What is the
current flowing in the 8-ohm resistance?

A. 5 A
B. 4 A
C. 6 A
D. 3 A
24. Two resistance of 8 & 10 ohms
respectively are connected in parallel and
take a total current of 9 A. What is the
current flowing in the 8-ohm resistance?

A. 5 A I= It(R2)/R1+R2
B. 4 A I= 9(10)/8+10
C. 6 A I= 5A
D. 3 A
25. How do you call a diagram showing
the physical location of the components
such as coils, contacts, motors & the
like in their actual positions?

A. Ladder diagram
B. Schematic diagram
C. Wiring diagram
D. Power flow diagram
25. How do you call a diagram showing
the physical location of the components
such as coils, contacts, motors & the
like in their actual positions?

A. Ladder diagram
B. Schematic diagram
C. Wiring diagram
D. Power flow diagram
26. An electrical iron takes 31/2 A. If the
heating element has a resistance of 40
ohms, what is its power consumption?

A. 0.45 KW
B. 0.49 KW
C. 0.35 KW
D. 0.51 KW
26. An electrical iron takes 31/2 A. If the
heating element has a resistance of 40
ohms, what is its power consumption?
P=I² (R)
A. 0.45 KW P= (3.5)²(40)
B. 0.49 KW P= 490 W
C. 0.35 KW
D. 0.51 KW P=490/1000
P=0.490 KW
27. What is the purpose of constructing
a lead acid cell into a multiple plate
cell?

A. To increase the emf of the cell

B. To increase the capacity of the cell
C. To increase the internal resistance of
the cell
D. All of these
27. What is the purpose of constructing
a lead acid cell into a multiple plate
cell?

A. To increase the emf of the cell

B. To increase the capacity of the cell
C. To increase the internal resistance of
the cell
D. All of these
28. The continuity of a winding coil maybe
determined by measuring the resistance of
the coil. If the resistance reading is infinite
the winding is_______?

A. Open
B. In perfect condition
C. Partially shorted
D. Totally shorted
28. The continuity of a winding coil maybe
determined by measuring the resistance of
the coil. If the resistance reading is infinite
the winding is_______?

A. Open
B. In perfect condition
C. Partially shorted
D. Totally shorted
29. An instrument used to measure the
state of electrical charge in a storage
battery?

A. Amprobe
B. Tachometer
C. Hydrometer
D. Calorie meter
29. An instrument used to measure the
state of electrical charge in a storage
battery?

A. Amprobe
B. Tachometer
C. Hydrometer
D. Calorie meter
30. Determine the reactance of a 50 uf
capacitor at 60 Hz.?

A. 18.85 ohms
B. 0.0188 ohms
C. 55.25 ohms
D. 53.05 ohms
30. Determine the reactance of a 50 uf
capacitor at 60 Hz.?

A. 18.85 ohms
Xc = 1/2πfc
B. 0.0188 ohms
Xc = 1/2π(60)(50X10-6)
C. 55.25 ohms Xc = 53.05 ohms
D. 53.05 ohms
31. In a large alternator, which of the
following is normally negligible?

A. Reactance of winding
B. Resistance of winding
C. Impedance of winding
D. Current of winding
31. In a large alternator, which of the
following is normally negligible?

A. Reactance of winding
B. Resistance of winding
C. Impedance of winding
D. Current of winding
32. If the two leads of DC series motor
are reversed, which of the following
events will happen?

A. It becomes a generator
B. It runs in the same direction as
before
C. It will not run
D. It will run in the reverse direction
32. If the two leads of DC series motor
are reversed, which of the following
events will happen?

A. It becomes a generator
B. It runs in the same direction as
before
C. It will not run
D. It will run in the reverse direction
33. Find the amperage of a 5 KVA load
on a 220-V three-phase branch circuit?

A. 13.12 A
B. 8.66 A
C. 12.7 A
D. 22 A
33. Find the amperage of a 5 KVA load
on a 220-V three-phase branch circuit?

A. 13.12 A
S=(square root 3) x E x I
B. 8.66 A
5000 = (square root 3) x 220 x I
C. 12.7 A I = 13.12 A
D. 22 A
34.What will happen to the resistance
of a conductor when its temperature is
increased?

A. It will increase
B. It will remain constant
C. It varies
D. It will decrease
34.What will happen to the resistance
of a conductor when its temperature is
increased?

A. It will increase
B. It will remain constant
C. It varies
D. It will decrease
35.How do you call the electrons in the
last orbit of atom?

A. Bound electrons
B. Free electrons
C. Valence electrons
D. Charged electrons
35.How do you call the electrons in the
last orbit of atom?

A. Bound electrons
B. Free electrons
C. Valence electrons
D. Charged electrons
36.A high resistance connected in
parallel with a potential relay across a
120-V battery will?

A. Increase the current through the

relay
B. Increase the voltage across the relay
C. Have no effort on the relay
D. Make the relay inoperative
36.A high resistance connected in
parallel with a potential relay across a
120-V battery will?

A. Increase the current through the

relay
B. Increase the voltage across the relay
C. Have no effort on the relay
D. Make the relay inoperative
37.A phenomenon on a series AC
circuit where in maximum current will
flow

A. Avalanche
B. Resonance
C. Break-even
D. Break down
37.A phenomenon on a series AC
circuit where in maximum current will
flow

A. Avalanche
B. Resonance
C. Break-even
D. Break down
38.Which of the following connections
would be most likely to injure the
instruments attached?

A. An ammeter in series in the circuit

B. A voltmeter connected across the line
C. An ammeter connected across the line
D. A voltmeter in series with the line
38.Which of the following connections
would be most likely to injure the
instruments attached?

A. An ammeter in series in the circuit

B. A voltmeter connected across the line
C. An ammeter connected across the line
D. A voltmeter in series with the line
39.The rotating part of a DC motor is
known as________?

A. Pole
B. Stator
C. Carbon brush
D. Armature
39.The rotating part of a DC motor is
known as________?

A. Pole
B. Stator
C. Carbon brush
D. Armature
40.The member of the Board shall hold
office for a term of____years from date
of appointment.

A. 4
B. 3
C. 2
D. 1
40.The member of the Board shall hold
office for a term of____years from date
of appointment.

A. 4
B. 3
C. 2
D. 1
41.In an automatic FORWARD-
REVERSE-STOP star-delta motor
controller,how many electrical timers
are needed?

A. At least one
B. Only one
C. Two
D. No timer is needed
41.In an automatic FORWARD-
REVERSE-STOP star-delta motor
controller,how many electrical timers
are needed?

A. At least one
B. Only one
C. Two
D. No timer is needed
42.Two resistors of resistance 5 ohms
& 7 ohms are connected in series
across a 60-volt source. What is the
power absorbed in the 5 ohms resistor?

A. 50 watts
B. 25 watts
C. 125 watts
D. 100 watts
42.Two resistors of resistance 5 ohms
& 7 ohms are connected in series
across a 60-volt source. What is the
power absorbed in the 5 ohms resistor?
I=E/R1+R2
A. 50 watts I= 60/5+7
I= 5 A
B. 25 watts
C. 125 watts Pi= I²R1
D. 100 watts Pi= (5)²(5)
Pi= 125 watts
43.A measuring instrument used to
measure the diameter of circular wires
in mils.?

A. Micrometer
B. Millimeter
C. Wire gauge
D. Milliammeter
43.A measuring instrument used to
measure the diameter of circular wires
in mils.?

A. Micrometer
B. Millimeter
C. Wire gauge
D. Milliammeter
44.A secondary cell is charged with a
constant current of 10 A for 10 hours.
How much charge is accumulated?

A. 100 coulombs
B. 360,000 coulombs
C. 100,1000 coulombs
D. 60,000 coulombs
44.A secondary cell is charged with a
constant current of 10 A for 10 hours.
How much charge is accumulated?
t=10 hr x 3600s/1hr
A. 100 coulombs t = 36,000s
B. 360,000 coulombs
Q=It
C. 100,1000 coulombs Q= (10)(36,000)
D. 60,000 coulombs Q= 360,000 coulombs
45.At starting the motor current is high
due to_________?

A. Counter emf is high

B. Counter emf is zero
C. Supply voltage is high
D. Armature circuit resistance is open
45.At starting the motor current is high
due to_________?

A. Counter emf is high

B. Counter emf is zero
C. Supply voltage is high
D. Armature circuit resistance is open
46.A cell whose emf is 1.45 V has an
internal resistance of 4 ohms. What
current will flow if this cell is connected
across a 1-ohm resistor

A. 0.4 A
B. 0.2 A
C. 0.5 A
D. 0.3 A
46.A cell whose emf is 1.45 V has an
internal resistance of 4 ohms. What
current will flow if this cell is connected
across a 1-ohm resistor

A. 0.4 A
I = E/r+R
B. 0.2 A
I = 1.45/4+1
C. 0.5 A
D. 0.3 A I = 0.3 A
47.A voltage source of 20 V is applied
across the terminals of a 2.5 ohm
rheostat. Calculate the power
dissipated in the rheostat?

A. 160 W
B. 100 W
C. 150 W
D. 180 W
47.A voltage source of 20 V is applied
across the terminals of a 2.5 ohm
rheostat. Calculate the power
dissipated in the rheostat?

A. 160 W
B. 100 W P = E²/R
C. 150 W P = (20)²/2.5
D. 180 W P = 160 W
48.What would be the advantage of
240 volts rather than 120 volts on the
load with same wattage?

A. Less power used and less voltage

drop
B. Less power used
C. Greater voltage drop
D. Less voltage drop
48.What would be the advantage of
240 volts rather than 120 volts on the
load with same wattage?

A. Less power used and less voltage

drop
B. Less power used
C. Greater voltage drop
D. Less voltage drop
49.What is the amperage of 120 volt,
single-phase circuit that supplies a load
of 3.125 KVA?

A. 26 A
B. 30 A
C. 22 A
D. 15 A
49.What is the amperage of 120 volt,
single-phase circuit that supplies a load
of 3.125 KVA?

A. 26 A
S=ExI
B. 30 A
3125 = 120 x I
C. 22 A I = 26 A
D. 15 A
50.During the short circuit test on
transformer, which side is short
circuited?

A. High side
B. Low side
C. Either sides
D. Both sides
50.During the short circuit test on
transformer, which side is short
circuited?

A. High side
B. Low side
C. Either sides
D. Both sides
51.Which of the following conductor
sizes has the highest resistance?

A. 3.5 mm²
B. 8.0 mm²
C. 2.0 mm²
D. 5.5 mm²
51.Which of the following conductor
sizes has the highest resistance?

A. 3.5 mm²
B. 8.0 mm²
C. 2.0 mm²
D. 5.5 mm²
52. A device or equipment which is
suspended from overhead either by means
of a flexible cord carrying the current, or
otherwise

A.Rosette
B.Pendant
C.Fixture
D.Air terminal
52. A device or equipment which is
suspended from overhead either by means
of a flexible cord carrying the current, or
otherwise

A.Rosette
B.Pendant
C.Fixture
D.Air terminal
53. In the schedule of loads for motor
circuits, which of the following is NOT
included?

A. Type of motor
B. Manufacturer of motor
C. Motor as numbered in the power layout
D. Number of phase
53. In the schedule of loads for motor
circuits, which of the following is NOT
included?

A. Type of motor
B. Manufacturer of motor
C. Motor as numbered in the power layout
D. Number of phase
54. What is the allowable ampacity of THW
insulated copper conductor with an area of
8.0 mm² and exposed to an ambient
temperature of 30 deg. Celsius

A. 45 A
B. 20 A
C. 30 A
D. 60 A
54. What is the allowable ampacity of THW
insulated copper conductor with an area of
8.0 mm² and exposed to an ambient
temperature of 30 deg. Celsius

A. 45 A
B. 20 A
C. 30 A
D. 60 A
55. Which one is standard rating of an
inverse time CB?

A. 140 A
B. 130 A
C. 120 A
D. 110 A
55. Which one is standard rating of an
inverse time CB?

A. 140 A
B. 130 A
C. 120 A
D. 110 A
56. The term ampere-hour is associated
with which of the following?

A. Converters
B. Transformer
C. Electromagnets
D. Storage cells
56. The term ampere-hour is associated
with which of the following?

A. Converters
B. Transformer
C. Electromagnets
D. Storage cells
57. Electrical equipment may best be
mounted on a concrete wall by using one of
the following. Which one is this?

A. Wooden plug
B. Expansion bolt
C. Load plug
D. Plastic plug
57. Electrical equipment may best be
mounted on a concrete wall by using one of
the following. Which one is this?

A. Wooden plug
B. Expansion bolt
C. Load plug
D. Plastic plug
58. Before starting any installation work,
alteration, repair of extension on any
electrical system, what type of permit is
needed?

A. Building permit
B. Working permit
C. Electrical permit
D. Mayor’s permit
58. Before starting any installation work,
alteration, repair of extension on any
electrical system, what type of permit is
needed?

A. Building permit
B. Working permit
C. Electrical permit
D. Mayor’s permit
59.Above ground tanks containing liquids at
atmospheric pressure are considered to be protected
against lighting if the following requirements are meet.
Which one?
A. The metal roof shall have a minimum thickness of
4.8mm
B. The roof shall be welded, bolted or riveted to the
shell
C. All pipes entering the tank shall be metallically
connected to the tank at the point of entrance
D. All of the above
59.Above ground tanks containing liquids at
atmospheric pressure are considered to be protected
against lighting if the following requirements are meet.
Which one?
A. The metal roof shall have a minimum thickness of
4.8mm
B. The roof shall be welded, bolted or riveted to the
shell
C. All pipes entering the tank shall be metallically
connected to the tank at the point of entrance
D. All of the above
60. When computing the service load, more
than three fixed appliances are computed
with a demand factor of ____of the
nameplate rating.

A. 80 %
B. 65 %
C. 70 %
D. 75 %
60. When computing the service load, more
than three fixed appliances are computed
with a demand factor of ____of the
nameplate rating.

A. 80 %
B. 65 %
C. 70 %
D. 75 %
61.If the project is extensive and requires more
time for checking and for computations of fess,
the issuance of the electrical permit need not be
issued immediately. However, the delay shall
not be longer than how many working days?

A. 7
B. 6
C. 5
D. 8
61.If the project is extensive and requires more
time for checking and for computations of fess,
the issuance of the electrical permit need not be
issued immediately. However, the delay shall
not be longer than how many working days?

A. 7
B. 6
C. 5
D. 8
62.Splices in ground conductors shall be as few
as practicable and shall be attached so as to
withstand a pull test of _______?

A. 900 N
B. 880 N
C. 800 N
D. 890 N
62.Splices in ground conductors shall be as few
as practicable and shall be attached so as to
withstand a pull test of _______?

A. 900 N
B. 880 N
C. 800 N
D. 890 N
63.Location which are hazardous because
of the presence of combustible dust.

A. Class I
B. Class II
C. Class III
D. Class IV
63. Location which are hazardous because
of the presence of combustible dust.

A. Class I
B. Class II
C. Class III
D. Class IV
64. If there are three wires of 150mm²
connected to one terminal entering a cabinet of
a switchboard, the bending space at each
terminal shall NOT be less than____, provided
the conductors do not enter or leave the
enclosure through the wall opposite its
terminals
A. 200 mm
B. 300 mm
C. 400 mm
D. 250 mm
64. If there are three wires of 150mm²
connected to one terminal entering a cabinet of
a switchboard, the bending space at each
terminal shall NOT be less than____, provided
the conductors do not enter or leave the
enclosure through the wall opposite its
terminals
A. 200 mm
B. 300 mm
C. 400 mm
D. 250 mm
65.For an ambient temperature of 30° C, a
THW insulated copper conductor with cross
sectional area of 3.5 mm² and buried
underground has the following ampacity.
Which one is correct?
A. 20 A
B. 40 A
C. 15 A
D. 30 A
65.For an ambient temperature of 30° C, a
THW insulated copper conductor with cross
sectional area of 3.5 mm² and buried
underground has the following ampacity.
Which one is correct?
A. 20 A
B. 40 A
C. 15 A
D. 30 A
66.All extended parts located within ___ of
the lighting protection system shall be
bonded thereto.

A. 1,500 mm
B. 1,600 mm
C. 1,800 mm
D. 2, 000 mm
66.All extended parts located within ___ of
the lighting protection system shall be
bonded thereto.

A. 1,500 mm
B. 1,600 mm
C. 1,800 mm
D. 2, 000 mm
67.Operation at substantially constant load
for an indefinitely long time.

A. Continuous duty
B. Intermittent duty
C. Periodic duty
D. Short time duty
67.Operation at substantially constant load
for an indefinitely long time.

A. Continuous duty
B. Intermittent duty
C. Periodic duty
D. Short time duty
68.Transformer exceeding 112.5 KVA, shall
not be located within _____ from
combustible materials of the building.

A. 400 mm
B. 300 mm
C. 200 mm
D. 500 mm
68.Transformer exceeding 112.5 KVA, shall
not be located within _____ from
combustible materials of the building.

A. 400 mm
B. 300 mm
C. 200 mm
D. 500 mm
69.Electrode of iron or steel plates shall be
at least _____ in thickness.

A. 6.4 mm
B. 5.8 mm
C. 6.0 mm
D. 6.2 mm
69.Electrode of iron or steel plates shall be
at least _____ in thickness.

A. 6.4 mm
B. 5.8 mm
C. 6.0 mm
D. 6.2 mm
70. Advisory rules in the PEC are
characterized by the use of what word?

A. Will
B. Would
C. Shall
D. Should
70. Advisory rules in the PEC are
characterized by the use of what word?

A. Will
B. Would
C. Shall
D. Should
71. The frame of the vehicle-mounted generator shall
be permitted to served as the grounding electrode for
a system supplied by a generator located on the
vehicle under which of the following condition?
A. The vehicle of the generator is bonded to the
vehicle fame
B. The generator supplies only equipment located
on the vehicle
C. The non-current carrying metal parts of
equipment and the equipment located grounding
conductor terminals of the generator frame
D. All of these
71. The frame of the vehicle-mounted generator shall
be permitted to served as the grounding electrode for
a system supplied by a generator located on the
vehicle under which of the following condition?
A. The vehicle of the generator is bonded to the
vehicle fame
B. The generator supplies only equipment located
on the vehicle
C. The non-current carrying metal parts of
equipment and the equipment located grounding
conductor terminals of the generator frame
D. All of these
72. What is the minimum insulation level(in
volts) for the neutral conductors of a solidly
grounded system?

A. 600 V
B. 300 V
C. 500 V
D. 1,000 V
72. What is the minimum insulation level(in
volts) for the neutral conductors of a solidly
grounded system?

A. 600 V
B. 300 V
C. 500 V
D. 1,000 V
73. No boxes shall have an internal depth
of less than how many millimeters?

A. 15 mm
B. 10 mm
C. 12 mm
D. 14 mm
73. No boxes shall have an internal depth
of less than how many millimeters?

A. 15 mm
B. 10 mm
C. 12 mm
D. 14 mm
74. Branch circuits are classified according
to which of the following?

A. Voltage across it
B. Load being served
C. Power consumed
D. Setting of the overcurrent device
74. Branch circuits are classified according
to which of the following?

A. Voltage across it
B. Load being served
C. Power consumed
D. Setting of the overcurrent device
75. The following copper conductors have
the same cross sectional area but are
made up of different numbers of strands.
Which one has the least resistance to AC
current?
A. 19-strand conductor
B. Single solid conductor
C. 7-strand conductor
D. 37-strand conductor
75. The following copper conductors have
the same cross sectional area but are
made up of different numbers of strands.
Which one has the least resistance to AC
current?
A. 19-strand conductor
B. Single solid conductor
C. 7-strand conductor
D. 37-strand conductor
76. An appliance, which is fastened or
otherwise, secured at a specific location?

A. Permanent appliance
B. Stationary appliance
C. Portable appliance
D. Fixed appliance
76. An appliance, which is fastened or
otherwise, secured at a specific location?

A. Permanent appliance
B. Stationary appliance
C. Portable appliance
D. Fixed appliance
77. What is the minimum insulation
resistance required for circuits rated from
201 to 400 A?

A. 25,000 ohms
B. 50,000 ohms
C. 100,000 ohms
D. 12,500 ohms
77. What is the minimum insulation
resistance required for circuits rated from
201 to 400 A?

A. 25,000 ohms
B. 50,000 ohms
C. 100,000 ohms
D. 12,500 ohms
78. A device capable to drawing lighting
discharge to it in preference to vulnerable
parts of the protected area.

A. Air terminal
B. Lighting trap
C. Ground mat
D. Ground terminal
78. A device capable to drawing lighting
discharge to it in preference to vulnerable
parts of the protected area.

A. Air terminal
B. Lighting trap
C. Ground mat
D. Ground terminal
79. Light fixtures suspended from the
ceiling by chains should be wired so that
the ______

A. Chain is grounded
B. Wires help support the fixture
C. Wires will not touch the chain
D. Wires do not support the fixture
79. Light fixtures suspended from the
ceiling by chains should be wired so that
the ______

A. Chain is grounded
B. Wires help support the fixture
C. Wires will not touch the chain
D. Wires do not support the fixture
80. Which of the following Republic Act
Number refers to the new Electrical
Engineering Law?

A. RA 7920
B. RA 8450
C. RA 8710
D. RA 1840
80. Which of the following Republic Act
Number refers to the new Electrical
Engineering Law?

A. RA 7920
B. RA 8450
C. RA 8710
D. RA 1840
81. Cable tray shall NOT be used in which
of the following applications?

A. Hoistways
B. Dry location
C. Industrial establishment
D. All of these
81. Cable tray shall NOT be used in which
of the following applications?

A. Hoistways
B. Dry location
C. Industrial establishment
D. All of these
82. A heavy duty lamp holder shall have a
rating no less than how many watts?

A. 450 W
B. 500 W
C. 600 W
D. 660 W
82. A heavy duty lamp holder shall have a
rating no less than how many watts?

A. 450 W
B. 500 W
C. 600 W
D. 660 W
83. In rigid metal conduit wiring, conduits
shall be supported at least every?

A. 2,500 mm
B. 3,500 mm
C. 3,000 mm
D. 2,000 mm
83. In rigid metal conduit wiring, conduits
shall be supported at least every?

A. 2,500 mm
B. 3,500 mm
C. 3,000 mm
D. 2,000 mm
84. Conductors used in open wiring method
within _____ from the floor shall be
considered exposed to physical damage.

A. 3,000 mm
B. 2,500 mm
C. 2,000 mm
D. 1,800 mm
84. Conductors used in open wiring method
within _____ from the floor shall be
considered exposed to physical damage.

A. 3,000 mm
B. 2,500 mm
C. 2,000 mm
D. 1,800 mm
85. Conductors normally used to carry
current shall be made of _____ unless
otherwise provided in the PEC.

A. Aluminum
B. Copper
C. Steel
D. Silver
85. Conductors normally used to carry
current shall be made of _____ unless
otherwise provided in the PEC.

A. Aluminum
B. Copper
C. Steel
D. Silver
86. What is the maximum electrical trade
size of intermediate conduit?

A. 150 mm
B. 125 mm
C. 200 mm
D. 100 mm
86. What is the maximum electrical trade
size of intermediate conduit?

A. 150 mm
B. 125 mm
C. 200 mm
D. 100 mm
87. The Philippines Electrical Code is
intended for what type of application by
government bodies exercising legal
jurisdiction over electrical installation?

A. Advisory
B. Mandatory
C. Optional
D. Professional
87. The Philippines Electrical Code is
intended for what type of application by
government bodies exercising legal
jurisdiction over electrical installation?

A. Advisory
B. Mandatory
C. Optional
D. Professional
88. Individual branch circuits using type
FCC (flat conductor cable) shall have
ratings not exceeding how much amperes?

A. 20 A
B. 30 A
C. 15 A
D. 40 A
88. Individual branch circuits using type
FCC (flat conductor cable) shall have
ratings not exceeding how much amperes?

A. 20 A
B. 30 A
C. 15 A
D. 40 A
89. Equipment for installation in hazardous
location must be tested and approved for
use according to the classification of the
hazards involved. These are divided into
____ groups.
A. 4
B. 3
C. 7
D. 6
89. Equipment for installation in hazardous
location must be tested and approved for
use according to the classification of the
hazards involved. These are divided into
____ groups.
A. 4
B. 3
C. 7
D. 6
90. Aerial cable under non-metallic
extensions shall have a clearance of not
less than how much from steel structure
members of other conductive materials?

A. 60 mm
B. 30 mm
C. 50 mm
D. 40 mm
90. Aerial cable under non-metallic
extensions shall have a clearance of not
less than how much from steel structure
members of other conductive materials?

A. 60 mm
B. 30 mm
C. 50 mm
D. 40 mm
91. For all land-based electrical installation
under the scope of the Philippine Electrical
Code, where should an electrical permit be
filed?

A. Department of energy
B. Office of the city engineer
C. Office of the mayor
D. Local building office
91. For all land-based electrical installation
under the scope of the Philippine Electrical
Code, where should an electrical permit be
filed?

A. Department of energy
B. Office of the city engineer
C. Office of the mayor
D. Local building office
92. Compliance with the provisions of the
PEC will result in _____
I. Freedom from hazed
II. Good electrical service
III. An efficient system
A. I, II & III
B. I & II
C. II only
D. I only
92. Compliance with the provisions of the
PEC will result in _____
I. Freedom from hazed
II. Good electrical service
III. An efficient system
A. I, II & III
B. I & II
C. II only
D. I only
93. In a auxiliary gutter, how much is the
minimum clearance required between bare
current carrying metal parts and any metal
surface of the gutter?

A. 26 mm
B. 24 mm
C. 13 mm
D. 12 mm
93. In a auxiliary gutter, how much is the
minimum clearance required between bare
current carrying metal parts and any metal
surface of the gutter?

A. 26 mm
B. 24 mm
C. 13 mm
D. 12 mm
94. Heating elements of cables shall be
separated at least by how much from the
edge of outlet boxes and junction boxes?

A. 200 mm
B. 100 mm
C. 150 mm
D. 300 mm
94. Heating elements of cables shall be
separated at least by how much from the
edge of outlet boxes and junction boxes?

A. 200 mm
B. 100 mm
C. 150 mm
D. 300 mm
95. Auxiliary gutters shall not contain more
than _____ current carrying conductors at
any cross section.

A. 36
B. 32
C. 30
D. 24
95. Auxiliary gutters shall not contain more
than _____ current carrying conductors at
any cross section.

A. 36
B. 32
C. 30
D. 24
96. As a rule, no overcurrent device shall
be connected in series with any conductors
that is ______

A. Stranded
B. Current carrying
C. Closed
D. Intentionally grounded
96. As a rule, no overcurrent device shall
be connected in series with any conductors
that is ______

A. Stranded
B. Current carrying
C. Closed
D. Intentionally grounded
97. Which of the following wires is
applicable for underground service
entrance conductors?

A. Type THWN
B. Type UF
C. Type MI
D. Type USE
97. Which of the following wires is
applicable for underground service
entrance conductors?

A. Type THWN
B. Type UF
C. Type MI
D. Type USE
98. For the purpose of lightning protection,
a high rise building with a height over how
much?

A. 23 m
B. 50 m
C. 20 m
D. 15 m
98. For the purpose of lightning protection,
a high rise building with a height over how
much?

A. 23 m
B. 50 m
C. 20 m
D. 15 m
99. What type of electrical conductors has
a trade name, moisture resistant
thermoplastic?

A. TW
B. THW
C. THWN
D. All of these
99. What type of electrical conductors has
a trade name, moisture resistant
thermoplastic?

A. TW
B. THW
C. THWN
D. All of these
100. A device used for the purpose of
minimizing irregularities in the flow of
welding currents

A. Rheostat box
B. Grounding transformer
C. Reactor
D. Inverter
100. A device used for the purpose of
minimizing irregularities in the flow of
welding currents

A. Rheostat box
B. Grounding transformer
C. Reactor
D. Inverter
Question Bank 2
1. A small lamp used to indicate that a
circuit is energized.

A. Pilot lamp
B. Electric sign lamp
C. Control lamp
D. Test lamp
1. A small lamp used to indicate that a
circuit is energized.

A. Pilot lamp
B. Electric sign lamp
C. Control lamp
D. Test lamp
2. A battery is charged at 15 A for 10 hours.
If the charging voltage is 120 V, what is the
charging cost at 1.00 pesos per kw-hr?

A. 15 pesos
B. 18 pesos
C. 12 pesos
D. 20 pesos
2. A battery is charged at 15 A for 10 hours.
If the charging voltage is 120 V, what is the
charging cost at 1.00 pesos per kw-hr?

A. 15 pesos W=Pt
P=EI
W=1.8 (10)
B. 18 pesos P= 120(15)
W= 18 kw
P= 1800 W or 1.8 KW
C. 12 pesos
Cost = 18(1)
D. 20 pesos Cost = 18 pesos
3. What is the diameter of a copper wire
having a cross sectional area of 3,969 cm?

A. 1.6 mm
B. 7.9 mils
C. 0.16 inch
D. 6.3 mm
3. What is the diameter of a copper wire
having a cross sectional area of 3,969 cm?

A. 1.6 mm A=d²
B. 7.9 mils d= sqrt. A
d= sqrt. 3969
C. 0.16 inch d = 63 mils
D. 6.3 mm
63 mils X 1 inch/1000 mils X 2.54 cm/1 inch X 10mm/1cm
d= 1.6 mm
4. An applicant for Registered Master
Electricians Examination must at least be a
graduate of ____ year electrician course of
instruction and has at least ____ years of
apprenticeship after completion of the
course
A. Two, two
B. One, one
C. One, two
D. Two, three
4. An applicant for Registered Master
Electricians Examination must at least be a
graduate of ____ year electrician course of
instruction and has at least ____ years of
apprenticeship after completion of the
course
A. Two, two
B. One, one
C. One, two
D. Two, three
5. In DC circuits, the power is expressed as
the product of which of the following?

A. Coulombs
B. Amperes
C. Amperes & volts
D. Coulombs & volts
5. In DC circuits, the power is expressed as
the product of which of the following?

A. Coulombs
B. Amperes
C. Amperes & volts
D. Coulombs & volts
6. The unit of magnetic flux in SI?

A. Tesla
B. Volt-ampere
C. Maxwell
D. Weber
6. The unit of magnetic flux in SI?

A. Tesla
B. Volt-ampere
C. Maxwell
D. Weber
7.If the series field is connected in series
with the armature, and the shunt field is
connected across the combination, what
type of DC generator is this?

A. Shunt
B. Series
C. Long shunt compound
D. Short shunt compound
7.If the series field is connected in series
with the armature, and the shunt field is
connected across the combination, what
type of DC generator is this?

A. Shunt
B. Series
C. Long shunt compound
D. Short shunt compound
8. An instrument that measures the
electrical pressure in a circuit.

A. Ammeter
B. Megger
C. Galvanometer
D. Voltmeter
8. An instrument that measures the
electrical pressure in a circuit.

A. Ammeter
B. Megger
C. Galvanometer
D. Voltmeter
9. A lubricant to make pulling of wires or
cables through the conduit easier.

A. Grease
B. Resin
C. Talc
D. Iron filings
9. A lubricant to make pulling of wires or
cables through the conduit easier.

A. Grease
B. Resin
C. Talc
D. Iron filings
10. Give an example of an electrical
conductor

A. Brass
B. Asbestos
C. Slate
D. Latex
10. Give an example of an electrical
conductor

A. Brass
B. Asbestos
C. Slate
D. Latex
11. The start winding of a split-phase
induction motor is switched out of the
circuit by what device?

A. Magnetic contactor
B. Zero speed switch
C. Centrifugal switch
D. Proximity switch
11. The start winding of a split-phase
induction motor is switched out of the
circuit by what device?

A. Magnetic contactor
B. Zero speed switch
C. Centrifugal switch
D. Proximity switch
12. When a circuit breaker is selected,
which of the following is the most important
factor to consider?

A. Voltage rating
B. Interrupting rating
C. Momentary rating
D. Continuous current rating
12. When a circuit breaker is selected,
which of the following is the most important
factor to consider?

A. Voltage rating
B. Interrupting rating
C. Momentary rating
D. Continuous current rating
13. If 18 resistance, each of a value of 36
ohms, are connected in parallel, then the
actual total resistance is ____?

A. 36 ohms
B. 2 ohms
C. 648 ohms
D. 54 ohms
13. If 18 resistance, each of a value of 36
ohms, are connected in parallel, then the
actual total resistance is ____?

A. 36 ohms
B. 2 ohms Rt = R/n
Rt = 36/18
C. 648 ohms
Rt = 2 ohms
D. 54 ohms
14. A small light bulb with a resistance of
1000 ohms is connected across a 120-V
line. What is the current through the bulb?

A. 1.2 A
B. 0.12 A
C. 0.012 A
D. 12 A
14. A small light bulb with a resistance of
1000 ohms is connected across a 120-V
line. What is the current through the bulb?

A. 1.2 A
B. 0.12 A I = E/R
I = 120/1000
C. 0.012 A
I = 0.12 A
D. 12 A
15. What type of energy is stored in an
electrolytic cell?

A. Electrical
B. Magnetic
C. Mechanical
D. Chemical
15. What type of energy is stored in an
electrolytic cell?

A. Electrical
B. Magnetic
C. Mechanical
D. Chemical
16. A 200-V lamp has a hot resistance of
400 ohms. What is its power rating in
watts?

A. 100 W
B. 200 W
C. 600 W
D. 250 W
16. A 200-V lamp has a hot resistance of
400 ohms. What is its power rating in
watts?

A. 100 W P = E²/R
B. 200 W P = (200)²/400
C. 600 W P = 100 W
D. 250 W
17. A 25-W incandescent bulb rated at 120 V
and operated on a 120 V line has burnt out and
has to be replace as soon as possible. There
are several lamps available but not of the same
rating. Which of the bulbs below should be used
to approximate the power consumption of the
busted bulb?
A. 20 watts , 110 volts
B. 100 watts , 240 volts
C. 50 watts , 240 volts
D. 75 watts, 220 volts
17. A 25-W incandescent bulb rated at 120 V
and operated on a 120 V line has burnt out and
has to be replace as soon as possible. There
are several lamps available but not of the same
rating. Which of the bulbs below should be used
to approximate the power consumption of the
busted bulb?
A. 20 watts , 110 volts
B. 100 watts , 240 volts
C. 50 watts , 240 volts
D. 75 watts, 220 volts
18. What is the resistance reading of a
good capacitor?

A. Negligible
B. Negative
C. Infinity
D. 1 ohm
18. What is the resistance reading of a
good capacitor?

A. Negligible
B. Negative
C. Infinity
D. 1 ohm
19. An Inductor has a reactance of 10,000
ohms at 10 KHz, what is its reactance at 2
KHz?

A. 20,000 ohms
B. 500 ohms
C. 2,000 ohms
D. 32,000 ohms
19. An Inductor has a reactance of 10,000
ohms at 10 KHz, what is its reactance at 2
KHz?
Xl = 2πfL
L= Xi/2πf
A. 20,000 Ω L= 10,000/2π (10,000)
B. 500 Ω L= 0.15915 H
C. 2,000 Ω Xl = 2πfL
D. 32,000 Ω Xl= 2Pi (2,000)(0.15915)
Xl= 2000 ohms
20. All batteries have a nominal rating
based on how many hours of standard rate
of discharge?

A. 8
B. 24
C. 16
D. 12
20. All batteries have a nominal rating
based on how many hours of standard rate
of discharge?

A. 8
B. 24
C. 16
D. 12
21. The property that opposes any change
in current.

A. Impedance
B. Resistance
C. Inductance
D. Capacitance
21. The property that opposes any change
in current.

A. Impedance
B. Resistance
C. Inductance
D. Capacitance
22. Which of the following is an integrating
instrument?

A. Ammeter
B. Voltmeter
C. Wattmeter
D. Thermometer
22. Which of the following is an integrating
instrument?

A. Ammeter
B. Voltmeter
C. Wattmeter
D. Thermometer
23. Which of the following breaks down
rubber insulation?

A. Water
B. Oil
C. Acid
D. Non of these
23. Which of the following breaks down
rubber insulation?

A. Water
B. Oil
C. Acid
D. Non of these
24.For current to flow, a circuit must be
___?

A. Isolated
B. Insulated
C. Complete
D. Protected
24.For current to flow, a circuit must be
___?

A. Isolated
B. Insulated
C. Complete
D. Protected
25. Electrical symbol represent by
rectangle with letter PB inside.

A. Push button
B. Pull box
C. Battery panel
D. Box panel board
25. Electrical symbol represent by
rectangle with letter PB inside.

A. Push button
B. Pull box
C. Battery panel
D. Box panel board
26. When the speed of the prime mover of
an alternator is increased, what parameter
in the alternator is affected?

A. Frequency
B. Voltage
C. Both frequency & voltage
D. Voltage & current
26. When the speed of the prime mover of
an alternator is increased, what parameter
in the alternator is affected?

A. Frequency
B. Voltage
C. Both frequency & voltage
D. Voltage & current
27. The current carrying capacity of the
fuse material depends on

A. Cross-sectional area
B. Length
C. Material
D. All of these
27. The current carrying capacity of the
fuse material depends on

A. Cross-sectional area
B. Length
C. Material
D. All of these
28. The resistance of a material is inversely
proportional to its ______?

A. Length
B. Temperature
C. Cross-sectional area
D. All of these
28. The resistance of a material is inversely
proportional to its ______?

A. Length
B. Temperature
C. Cross-sectional area
D. All of these
29. A 0.4 uF capacitor has a charge of 20
uC. How much is the voltage across it?

A. 0.02 V
B. 8V
C. 50 V
D. 0.8 V
29. A 0.4 uF capacitor has a charge of 20
uC. How much is the voltage across it?

A. 0.02 V
B. 8V E = Q/C
E = 20/0.4
C. 50 V
E = 50 V
D. 0.8 V
30. A resistor of 3 ohms is connected in parallel
with one of 2-ohm resistance. If the combination
is connected in series with a 4-ohm resistor,
what is the equivalent resistance of the whole
combination of three resistor?

A. 6.4 ohms
B. 5.8 ohms
C. 4.5 ohms
D. 5.2 ohms
30. A resistor of 3 ohms is connected in parallel
with one of 2-ohm resistance. If the combination
is connected in series with a 4-ohm resistor,
what is the equivalent resistance of the whole
combination of three resistor?

A. 6.4 ohms
Rt = 3(2)/3+2 + 4
B. 5.8 ohms
Rt = 5.2 ohms
C. 4.5 ohms
D. 5.2 ohms
31. How much current is produced by a 60-
V source connected across a 12 ohms
resistance?

A. 5A
B. 7.2 A
C. 20 mA
D. 5 mA
31. How much current is produced by a 60-
V source connected across a 12 ohms
resistance?

A. 5A I = E/R
B. 7.2 A I = 60/12,000
C. 20 mA I = 0.005 A or 5 mA
D. 5 mA
32. In a circuit breaker, the current which
exist at the instant of contact separation is
known as

A. Recovery current
B. Surge current
C. Interrupting current
D. Restriking current
32. In a circuit breaker, the current which
exist at the instant of contact separation is
known as

A. Recovery current
B. Surge current
C. Interrupting current
D. Restriking current
33. When the EMFS in the two windings of
the transformer are opposite in direction,
the polarity of the winding is?

A. Additive
B. Subtractive
C. Either A or B
D. Neither A or B
33. When the EMFS in the two windings of
the transformer are opposite in direction,
the polarity of the winding is?

A. Additive
B. Subtractive
C. Either A or B
D. Neither A or B
34. Which of the following is used to
improve or correct low power factor?

A. Capacitor
B. Synchronous motors
C. Synchronous condensers
D. All of these
34. Which of the following is used to
improve or correct low power factor?

A. Capacitor
B. Synchronous motors
C. Synchronous condensers
D. All of these
35. Expired licenses shall be renewed only
after complying the required CPE units.
What does CPE stands for?

A. Credit Professional Expenses

B. Certificate of Practice & Experience
C. Course of professional ethics
D. Continuing Professional Education
35. Expired licenses shall be renewed only
after complying the required CPE units.
What does CPE stands for?

A. Credit Professional Expenses

B. Certificate of Practice & Experience
C. Course of professional ethics
D. Continuing Professional Education
36. An electric iron draws 15 A at 220 V. It
is desired to reduced the current to 12 A by
connecting a series rheostat. What is the
resistance of the rheostat?

A. 3.67 ohms
B. 4.55 ohms
C. 5.12 ohms
D. 1.86 ohms
36. An electric iron draws 15 A at 220 V. It
is desired to reduced the current to 12 A by
connecting a series rheostat. What is the
resistance of the rheostat?
Riron = E/I I = E/Riron + R
A. 3.67 ohms Riron =
B. 4.55 ohms 220/15 R = E/I – Riron
Riron = R = 220/12 – 14.667
C. 5.12 ohms
14.667 R = 3.67 ohms
D. 1.86 ohms ohms
37. Commercial unit of electric energy

A. Joule
B. Watt-hour
C. Megawatt
D. Kilowatt-hour
37. Commercial unit of electric energy

A. Joule
B. Watt-hour
C. Megawatt
D. Kilowatt-hour
38. What resistance must be connected in
parallel with 1.0 ohm resistance to give an
equivalent resistance of 0.2 ohm?

A. 0.75 ohm
B. 0.25 ohm
C. 1.20 ohm
D. 0.50 ohm
38. What resistance must be connected in
parallel with 1.0 ohm resistance to give an
equivalent resistance of 0.2 ohm?

A. 0.75 ohm
B. 0.25 ohm 1/Rt = 1/R1 +1/R2
1/0.2 = 1/1 = 1/R2
C. 1.20 ohm
R2 = 0.25 ohm
D. 0.50 ohm
39.An ammeter should be connected in
____ with the load.

A. Series
B. Parallel
C. Series-parallel
D. Delta-wye
39.An ammeter should be connected in
____ with the load.

A. Series
B. Parallel
C. Series-parallel
D. Delta-wye
40. Three 120-ohms resistor are connected
in parallel-series. What is the equivalent
resistance of the combination?

A. 360 ohms
B. 80 ohms
C. 180 ohms
D. 40 ohms
40. Three 120-ohms resistor are connected
in parallel-series. What is the equivalent
resistance of the combination?

A. 360 ohms
B. 80 ohms Rt = 120(120+120)/120+(120+120)
C. 180 ohms Rt = 80 ohms
D. 40 ohms
41. What are the two primary parts of the
three-phase induction motor?

A. Rotor & stator

B. Stator and field
C. Slip ring and brushes
D. Rotor and armature
41. What are the two primary parts of the
three-phase induction motor?

A. Rotor & stator

B. Stator and field
C. Slip ring and brushes
D. Rotor and armature
42.The ability of a conductor to allow
current flow

A. Resistance
B. Coefficient of resistance
C. Conductance
D. Permeability
42.The ability of a conductor to allow
current flow

A. Resistance
B. Coefficient of resistance
C. Conductance
D. Permeability
43. What is the most common usage of
resistor in electronic circuits?

A. Limit current
B. Introduce a voltage drop
C. Generate heat
D. All of these
43. What is the most common usage of
resistor in electronic circuits?

A. Limit current
B. Introduce a voltage drop
C. Generate heat
D. All of these
44.For a ceiling fan, which of the single-
phase motor is used?

A. Split-phase type
B. Capacitor start & run type
C. Permanent capacitor type
D. Capacitor start type
44.For a ceiling fan, which of the single-
phase motor is used?

A. Split-phase type
B. Capacitor start & run type
C. Permanent capacitor type
D. Capacitor start type
45. Blue is assigned to what digit value in
the resistance color code?

A. 5
B. 6
C. 7
D. 4
45. Blue is assigned to what digit value in
the resistance color code?

A. 5
B. 6
C. 7
D. 4
46. Watt-hour is equivalent to how many
joules?

A. 4,186
B. 3,600
C. 44,760
D. 3,415
46. Watt-hour is equivalent to how many
joules?

A. 4,186
B. 3,600
C. 44,760
D. 3,415
47. If the number of valence electrons is
exactly four, how do you classify the
materials?

A. Conductor
B. Semi-conductor
C. Insulator
D. Superconductor
47. If the number of valence electrons is
exactly four, how do you classify the
materials?

A. Conductor
B. Semi-conductor
C. Insulator
D. Superconductor
48. A half wave rectifier uses how many
diodes?

A. At least two diodes

B. Only one diode
C. Only two diodes
D. One or more diodes depending on
designer
48. A half wave rectifier uses how many
diodes?

A. At least two diodes

B. Only one diode
C. Only two diodes
D. One or more diodes depending on
designer
49. A water heater takes 2.5 A at 230 V.
What is its hot resistance?

A. 82 ohms
B. 74 ohms
C. 92 ohms
D. 70 ohms
49. A water heater takes 2.5 A at 230 V.
What is its hot resistance?

A. 82 ohms
B. 74 ohms R = E/I
C. 92 ohms R = 230/2.5
R = 92 ohms
D. 70 ohms
50. SI unit of potential difference

A. Coulomb
B. Ampere
C. Siemens
D. Volt
50. SI unit of potential difference

A. Coulomb
B. Ampere
C. Siemens
D. Volt
51. Hazardous locations where combustible
dust is not normally in the air in quantities
sufficient to provide explosive or ignitable
mixtures, and dust accumulations are normally
insufficient with the normal operation of
electrical equipment.
A. Class II, Division 1
B. Class II, Division 2
C. Class III, Division 1
D. Class III, Division 2
51. Hazardous locations where combustible
dust is not normally in the air in quantities
sufficient to provide explosive or ignitable
mixtures, and dust accumulations are normally
insufficient with the normal operation of
electrical equipment.
A. Class II, Division 1
B. Class II, Division 2
C. Class III, Division 1
D. Class III, Division 2
52. In hazardous location, the use of non-
metallic conduit shall be permitted provided
it is buried NOT less than ____ below the
earth level.

A. 400 mm
B. 600 mm
C. 1,000 mm
D. 500 mm
52. In hazardous location, the use of non-
metallic conduit shall be permitted provided
it is buried NOT less than ____ below the
earth level.

A. 400 mm
B. 600 mm
C. 1,000 mm
D. 500 mm
53. Service entrance cables shall be
supported by straps or other approved
methods within ____ of every service head.

A. 300 mm
B. 500 mm
C. 600 mm
D. 400 mm
53. Service entrance cables shall be
supported by straps or other approved
methods within ____ of every service head.

A. 300 mm
B. 500 mm
C. 600 mm
D. 400 mm
54. Hazardous location in which easily
ignitable fibers or materials producing
combustible flying's are handled,
manufactured or used.

A. Class III, Division 1

B. Class IV, Division 2
C. Class I, Division 1
D. Class I, Division 2
54. Hazardous location in which easily
ignitable fibers or materials producing
combustible flying's are handled,
manufactured or used.

A. Class III, Division 1

B. Class IV, Division 2
C. Class I, Division 1
D. Class I, Division 2
55.Type MC cable shall be supported and
secured at intervals NOT exceeding____.

A. 2,000 mm
B. 1,800 mm
C. 3,000 mm
D. 2,600 mm
55.Type MC cable shall be supported and
secured at intervals NOT exceeding____.

A. 2,000 mm
B. 1,800 mm
C. 3,000 mm
D. 2,600 mm
57. There are situations where deviations from
the code requirements are necessary. Before
such deviations are made, there must be a
written permission from one of the following
entitles. Which one is this?

A. Board of Electrical Eng’g.

B. Code enforcing Authority
C. IIEE Code committee
D. Philippine regulation Board
57. There are situations where deviations from
the code requirements are necessary. Before
such deviations are made, there must be a
written permission from one of the following
entitles. Which one is this?

A. Board of Electrical Eng’g.

B. Code enforcing Authority
C. IIEE Code committee
D. Philippine regulation Board
58. An attachment plug and receptacle shall be
permitted to serve as the disconnecting means for
single phase room air conditioner rated 250 V or
less if the manual controls of the room air
conditioner is readily accessible and located
within a certain distance from the floor. What is
this distance?
A. 2,000 mm
B. 1,800 mm
C. 1,900 mm
D. 1,700 mm
58. An attachment plug and receptacle shall be
permitted to serve as the disconnecting means for
single phase room air conditioner rated 250 V or
less if the manual controls of the room air
conditioner is readily accessible and located
within a certain distance from the floor. What is
this distance?
A. 2,000 mm
B. 1,800 mm
C. 1,900 mm
D. 1,700 mm
59. A point in a wiring system at which
current is taken to be used in some
equipment.

A. Grounded
B. Conductor
C. Service entrance
D. Outlet
59. A point in a wiring system at which
current is taken to be used in some
equipment.

A. Grounded
B. Conductor
C. Service entrance
D. Outlet
60. Sheet metal boxes over 1640 cm³ in
size shall be made from steel NOT less
than ____ thick uncoated.

A. 1.25 mm
B. 1.35 mm
C. 1.6 mm
D. 1.8 mm
60. Sheet metal boxes over 1640 cm³ in
size shall be made from steel NOT less
than ____ thick uncoated.

A. 1.25 mm
B. 1.35 mm
C. 1.6 mm
D. 1.8 mm
61. Live vegetation or tress ____ used for
support of overhead conductor spans.

A. Shall be
B. Should be
C. Shall not be
D. Should not be
61. Live vegetation or tress ____ used for
support of overhead conductor spans.

A. Shall be
B. Should be
C. Shall not be
D. Should not be
62. Circuits with rigid non-metallic conduit
approved for direct burial and placed under
streets, hi-way, roads, alleys, driveways and
parking lots shall have a minimum cover
distance of______?

A. 760 mm
B. 900 mm
C. 1,000 mm
D. 600 mm
62. Circuits with rigid non-metallic conduit
approved for direct burial and placed under
streets, hi-way, roads, alleys, driveways and
parking lots shall have a minimum cover
distance of______?

A. 760 mm
B. 900 mm
C. 1,000 mm
D. 600 mm
63. A conductor having no covering or electrical
insulation.

A. Bare conductor
B. Concealed conductor
C. Encased conductor
D. Exposed conductor
63. A conductor having no covering or electrical
insulation.

A. Bare conductor
B. Concealed conductor
C. Encased conductor
D. Exposed conductor
64. Conductors used in lighting protection
system maybe coursed through air without
support for a distance of _____ or less.

A. 1,000 mm
B. 900 mm
C. 760 mm
D. 800 mm
64. Conductors used in lighting protection
system maybe coursed through air without
support for a distance of _____ or less.

A. 1,000 mm
B. 900 mm
C. 760 mm
D. 800 mm
65. Type FC cable shall have the
temperature rating durability marked on the
surfaced at intervals NOT exceeding _____

A. 600 mm
B. 550 mm
C. 800 mm
D. 760 mm
65. Type FC cable shall have the
temperature rating durability marked on the
surfaced at intervals NOT exceeding _____

A. 600 mm
B. 550 mm
C. 800 mm
D. 760 mm
66. The computed load for the branch
circuit installed to supply exterior signs and
outline lighting shall be computed at a
minimum of how much volt-amperes?

A. 1,200
B. 1,500
C. 1,800
D. 1,000
66. The computed load for the branch
circuit installed to supply exterior signs and
outline lighting shall be computed at a
minimum of how much volt-amperes?

A. 1,200
B. 1,500
C. 1,800
D. 1,000
67. The powers of the members of the
board are vested in them by who’s
authority?

A. President of the Philippines

B. Commissioner of PRC
C. Under 7920
D. National President of IIEE
67. The powers of the members of the
board are vested in them by who’s
authority?

A. President of the Philippines

B. Commissioner of PRC
C. Under 7920
D. National President of IIEE
68. Energized parts of generators operated
at more than _____ to ground shall not be
exposed to accidental contact where
accessible to unqualified persons

A. 75 V
B. 50 V
C. 100 V
D. 40 V
68. Energized parts of generators operated
at more than _____ to ground shall not be
exposed to accidental contact where
accessible to unqualified persons

A. 75 V
B. 50 V
C. 100 V
D. 40 V
69. A building or other structure serve shall
be supplied by only one service drop
EXCEPT for

A. Multiple occupancy building

B. Fire pumps
C. Emergency electrical system
D. All of these
69. A building or other structure serve shall
be supplied by only one service drop
EXCEPT for

A. Multiple occupancy building

B. Fire pumps
C. Emergency electrical system
D. All of these
70. Which of the following circuits shall
NOT be grounded?

A. 2-wire DC systems
B. Vehicle mounted generators
C. Health care facilities
D. All of these
70. Which of the following circuits shall
NOT be grounded?

A. 2-wire DC systems
B. Vehicle mounted generators
C. Health care facilities
D. All of these
71. The current carrying conductors in
cablebus shall have insulation rating of
_____ or more.

A. 40° C
B. 50° C
C. 70° C
D. 60° C
71. The current carrying conductors in
cablebus shall have insulation rating of
_____ or more.

A. 40° C
B. 50° C
C. 70° C
D. 60° C
72. Air terminals exceeding 600 mm in
height shall be supported at a point NOT
less than _____ of its height

A. Three-fourth
B. Two-fifth
C. One-half
D. One-third
72. Air terminals exceeding 600 mm in
height shall be supported at a point NOT
less than _____ of its height

A. Three-fourth
B. Two-fifth
C. One-half
D. One-third
73. At least how many entrances shall be
provided to give access to the working
space about electrical equipment?

A. Two
B. One
C. Three
D. Not specified in the code
73. At least how many entrances shall be
provided to give access to the working
space about electrical equipment?

A. Two
B. One
C. Three
D. Not specified in the code
74. Non-metallic boxes shall be permitted
only with____.

A. Concealed knob and tube wiring

B. Non-metallic sheathed cable
C. Open-wiring on insulators
D. All of these
74. Non-metallic boxes shall be permitted
only with____.

A. Concealed knob and tube wiring

B. Non-metallic sheathed cable
C. Open-wiring on insulators
D. All of these
75. For straight pulls, the length of the pull
box shall NOT be less than ___ times the
outside diameter over sheath of the largest
shielded or lead covered conductor of
cable entering the box.

A. 48
B. 42
C. 36
D. 38
75. For straight pulls, the length of the pull
box shall NOT be less than ___ times the
outside diameter over sheath of the largest
shielded or lead covered conductor of
cable entering the box.

A. 48
B. 42
C. 36
D. 38
76. This type of cable is a fabricated
assembly of insulated conductors enclosed
in a flexible metal sheath.

A. Ground wire
B. Integrated gas spacer cable
C. Medium voltage cable
D. Armored cable
76. This type of cable is a fabricated
assembly of insulated conductors enclosed
in a flexible metal sheath.

A. Ground wire
B. Integrated gas spacer cable
C. Medium voltage cable
D. Armored cable
77. So constructed or protected that
exposure to a beating rain will not result in
the entrance of water under specified test
conditions.

A. Raindrip
B. Raintight
C. Rainproof
D. Rainsealed
77. So constructed or protected that
exposure to a beating rain will not result in
the entrance of water under specified test
conditions.

A. Raindrip
B. Raintight
C. Rainproof
D. Rainsealed
78. The cross section area in square
millimeters of a conductor shall be durably
marked in the surface repeated at intervals
NOT exceeding _____.

A. 600 mm
B. 900 mm
C. 1,000 mm
D. 760 mm
78. The cross section area in square
millimeters of a conductor shall be durably
marked in the surface repeated at intervals
NOT exceeding _____.

A. 600 mm
B. 900 mm
C. 1,000 mm
D. 760 mm
79. The following are common splicing rules
EXCEPT one. Which one is this.?

A. A splice must be provided a path for the

current to pass through
B. A joint must be mechanically as strong as the
wire itself
C. All splice must be mechanically and
electrically secured by means of a solder
D. Wires of the same size should be spliced
together in line
79. The following are common splicing rules
EXCEPT one. Which one is this.?

A. A splice must be provided a path for the

current to pass through
B. A joint must be mechanically as strong as the
wire itself
C. All splice must be mechanically and
electrically secured by means of a solder
D. Wires of the same size should be spliced
together in line
80. Roofs with series of parallel ridges shall
have air terminals along the end ridge at
intervals NOT exceeding _____.

A. 7,600 mm
B. 8,000 mm
C. 6,000 mm
D. 9,000 mm
80. Roofs with series of parallel ridges shall
have air terminals along the end ridge at
intervals NOT exceeding _____.

A. 7,600 mm
B. 8,000 mm
C. 6,000 mm
D. 9,000 mm
81. Communication wires and cables shall
be separated at LEAST a certain minimum
distance from service drops of electric light
and power conductors, which are installed
in a raceway of in cable. What is this
minimum distance?
A. 150 mm
B. 175 mm
C. 300 mm
D. 200 mm
81. Communication wires and cables shall
be separated at LEAST a certain minimum
distance from service drops of electric light
and power conductors, which are installed
in a raceway of in cable. What is this
minimum distance?
A. 150 mm
B. 175 mm
C. 300 mm
D. 200 mm
82. A _____ branch circuit shall be
permitted to supply cooking appliances that
are fastened in place in any occupancy.

A. 30 or 40 A
B. 20 or 30 A
C. 50 or 60 A
D. 40 or 50 A
82. A _____ branch circuit shall be
permitted to supply cooking appliances that
are fastened in place in any occupancy.

A. 30 or 40 A
B. 20 or 30 A
C. 50 or 60 A
D. 40 or 50 A
83. Reconnection by the supplier of
electrical energy in case where service has
been cut-off due to non-payment of bills
shall not require a new certificate of
inspection provided the period of cut-off is
NOT more than _______.
A. One and one-half years
B. Two years
C. Half a year
D. One year
83. Reconnection by the supplier of
electrical energy in case where service has
been cut-off due to non-payment of bills
shall not require a new certificate of
inspection provided the period of cut-off is
NOT more than _______.
A. One and one-half years
B. Two years
C. Half a year
D. One year
84. An overcurrent device shall be
connected at the point where the
conductors to be protected _______.

A. Receives its supply

B. Is being terminated
C. Receives its load
D. None of these
84. An overcurrent device shall be
connected at the point where the
conductors to be protected _______.

A. Receives its supply

B. Is being terminated
C. Receives its load
D. None of these
85. A run of type IGS cable between pull
box or terminations shall NOT contain more
than the equivalent of ____ quarter bend.

A. One
B. Two
C. Three
D. Four
85. A run of type IGS cable between pull
box or terminations shall NOT contain more
than the equivalent of ____ quarter bend.

A. One
B. Two
C. Three
D. Four
86. Overhead conductors used in festoon
lighting shall NOT be less than _____

A. 0.75 mm²
B. 3.5 mm²
C. 2.0 mm²
D. 5.5 mm²
86. Overhead conductors used in festoon
lighting shall NOT be less than _____

A. 0.75 mm²
B. 3.5 mm²
C. 2.0 mm²
D. 5.5 mm²
87. Fixed electric space heating loads shall
be computed at ____ of the total computed
load.

A. 80 %
B. 90 %
C. 100 %
D. 125 %
87. Fixed electric space heating loads shall
be computed at ____ of the total computed
load.

A. 80 %
B. 90 %
C. 100 %
D. 125 %
88. When a circuit breakers are installed in
enclosed switchboards, they are usually
derated to a certain percentage. What is
this percentage?

A. 60 %
B. 80 %
C. 50 %
D. 70 %
88. When a circuit breakers are installed in
enclosed switchboards, they are usually
derated to a certain percentage. What is
this percentage?

A. 60 %
B. 80 %
C. 50 %
D. 70 %
89. Open conductors shall be separated
from open conductors of other circuits by
NOT less than a certain distance. What is
this distance?

A. 200 mm
B. 100 mm
C. 150 mm
D. 120 mm
89. Open conductors shall be separated
from open conductors of other circuits by
NOT less than a certain distance. What is
this distance?

A. 200 mm
B. 100 mm
C. 150 mm
D. 120 mm
90. Motor circuit switches shall _____
permitted to be of the knife switch type.

A. Not be
B. Be
C. Be or not be
D. None of these
90. Motor circuit switches shall _____
permitted to be of the knife switch type.

A. Not be
B. Be
C. Be or not be
D. None of these
91. Branch circuits larger than____shall
supply only non-lighting outlet loads.

A. 30 A
B. 40 A
C. 50 A
D. 60 A
91. Branch circuits larger than____shall
supply only non-lighting outlet loads.

A. 30 A
B. 40 A
C. 50 A
D. 60 A
92. For optional calculation in dwelling
units, the first 10 KW shall be computed at
100% while the remainder is at _____.

A. 65%
B. 60%
C. 50%
D. 40%
92. For optional calculation in dwelling
units, the first 10 KW shall be computed at
100% while the remainder is at _____.

A. 65%
B. 60%
C. 50%
D. 40%
93. The clearance from the top a
switchboard to a ceiling which is
combustible shall NOT be less than ____.

A. 1,000 mm
B. 800 mm
C. 900 mm
D. 1,250 mm
93. The clearance from the top a
switchboard to a ceiling which is
combustible shall NOT be less than ____.

A. 1,000 mm
B. 800 mm
C. 900 mm
D. 1,250 mm
94. Which of the following statement is NOT true?

A. Electrical equipment and wiring not mentioned in the

code shall require a special permission prior to
installation
B. Extended use of temporary installation shall not require
a new approved electrical permit
C. An application of inspection shall be filed with the
government agency concerned before a preliminary and
or final inspection is done
D. A copy of the electrical permit shall be posted or kept at
the job site at all times until the approval of the work
have been made.
94. Which of the following statement is NOT true?

A. Electrical equipment and wiring not mentioned in the

code shall require a special permission prior to
installation
B. Extended use of temporary installation shall not require
a new approved electrical permit
C. An application of inspection shall be filed with the
government agency concerned before a preliminary and
or final inspection is done
D. A copy of the electrical permit shall be posted or kept at
the job site at all times until the approval of the work
have been made.
95. The rating of the overcurrent device
shall not be less than the noncontionous
load plus a percentage of the continuous
load.

A. 125%
B. 80%
C. 100%
D. 140%
95. The rating of the overcurrent device
shall not be less than the noncontionous
load plus a percentage of the continuous
load.

A. 125%
B. 80%
C. 100%
D. 140%
96. Operation of equipment in excess of
normal, full load rating or of a conductor in
excess of rated ampacity.

A. Overload
B. Overtvoltage
C. Overcurrent
D. surge
96. Operation of equipment in excess of
normal, full load rating or of a conductor in
excess of rated ampacity.

A. Overload
B. Overtvoltage
C. Overcurrent
D. surge
97. For watercrafts, where should the said
electrical permit be filed?

A. Local building office

B. Maritime Industry Authority
C. Office of the Philippine Ports Authority
D. Office of the Philippines Coast Guard
97. For watercrafts, where should the said
electrical permit be filed?

A. Local building office

B. Maritime Industry Authority
C. Office of the Philippine Ports Authority
D. Office of the Philippines Coast Guard
98. In concealed knob and tube wiring, the
clearance to be maintained between
conductors is ______.

A. 55 mm
B. 45 mm
C. 76 mm
D. 50 mm
98. In concealed knob and tube wiring, the
clearance to be maintained between
conductors is ______.

A. 55 mm
B. 45 mm
C. 76 mm
D. 50 mm
99. Liquidtight flexible nonmetallic conduit
shall NOT be used where the voltage of the
contained conductors is in excess of ____.

A. 600 V
B. 300 V
C. 250 V
D. 1000 V
99. Liquidtight flexible nonmetallic conduit
shall NOT be used where the voltage of the
contained conductors is in excess of ____.

A. 600 V
B. 300 V
C. 250 V
D. 1000 V
100. Service entrance using copper
conductors shall have sufficient capacity
and shall NOT be smaller than _____.

A. 5.5 mm²
B. 3.5 mm²
C. 14.0 mm²
D. 8.0 mm²
100. Service entrance using copper
conductors shall have sufficient capacity
and shall NOT be smaller than _____.

A. 5.5 mm²
B. 3.5 mm²
C. 14.0 mm²
D. 8.0 mm²