IEC Year 3 Review Questions and Answers
Rated A+
Which of the following is an example of a load?
I. Relay Coil
II. Solenoid
III. Pilot Light
Select one:
a. I, II & III
b. I only
c. III only
d. I & II only
e. II only
a. I, II & III
A qualified person must be trained in the skills and techniques to determine nominal voltage.
Select one:
a.True
b.False
a. true
,A(n) ___ uses voltages in the range of 50 to 5000 volts to test for insulation damage to conductors or
windings.
Select one:
a.megohmmeter
b.ammeter
c.oscilloscope
d.none of these
a. megohmmeter
The training section of an electrical safety program identifies all training required for contractors and
vendors.
Select one:
a.True
b.False
a. true
A(n) ___ is a noncontact temperature probe that senses the infrared energy emitted by a material.
Select one:
a.ground resistance tester
b.digital logic probe
c.infrared temperature probe
d.optical time domain reflectometer
c. infrared temperature probe
,Transient voltages occur due to ___.
Select one:
a.unfiltered electrical equipment
b.power switching, ON and OFF
c.lightning strikes
d.all of these
d. all of these
Before removing a fuse, the circuit should be de-energized.
Select one:
a.True
b.False
a. true
An analog meter is ___ than a digital meter.
Select one:
a.less susceptible to electrical noise
b.less accurate
c.both a and b
d.neither a nor b
c. both a and b
, Ghost voltages appear on meter displays when the meter is within the electromagnetic field of nearby
current-carrying conductors, fluorescent lighting, or operating electrical equipment. This ghost voltage
appears when the meter ___ connected to an energized circuit.
Select one:
a.is
b.is not
b. is not
A ___ can be utilized to indicate that a GFCI device has been tripped.
Select one:
a.voltage tester
b.plug-in GFCI receptacle tester
c.either a or b
d.neither a nor b
c. either a or b
A(n) ___ is used to ensure that a motor rotates in the correct direction when connected to a circuit.
Select one:
a.oscilloscope
b.megohmmeter
c.phase sequence indicator
d.digital logic probe
e.ammeter
c. phase sequence indicator
Rated A+
Which of the following is an example of a load?
I. Relay Coil
II. Solenoid
III. Pilot Light
Select one:
a. I, II & III
b. I only
c. III only
d. I & II only
e. II only
a. I, II & III
A qualified person must be trained in the skills and techniques to determine nominal voltage.
Select one:
a.True
b.False
a. true
,A(n) ___ uses voltages in the range of 50 to 5000 volts to test for insulation damage to conductors or
windings.
Select one:
a.megohmmeter
b.ammeter
c.oscilloscope
d.none of these
a. megohmmeter
The training section of an electrical safety program identifies all training required for contractors and
vendors.
Select one:
a.True
b.False
a. true
A(n) ___ is a noncontact temperature probe that senses the infrared energy emitted by a material.
Select one:
a.ground resistance tester
b.digital logic probe
c.infrared temperature probe
d.optical time domain reflectometer
c. infrared temperature probe
,Transient voltages occur due to ___.
Select one:
a.unfiltered electrical equipment
b.power switching, ON and OFF
c.lightning strikes
d.all of these
d. all of these
Before removing a fuse, the circuit should be de-energized.
Select one:
a.True
b.False
a. true
An analog meter is ___ than a digital meter.
Select one:
a.less susceptible to electrical noise
b.less accurate
c.both a and b
d.neither a nor b
c. both a and b
, Ghost voltages appear on meter displays when the meter is within the electromagnetic field of nearby
current-carrying conductors, fluorescent lighting, or operating electrical equipment. This ghost voltage
appears when the meter ___ connected to an energized circuit.
Select one:
a.is
b.is not
b. is not
A ___ can be utilized to indicate that a GFCI device has been tripped.
Select one:
a.voltage tester
b.plug-in GFCI receptacle tester
c.either a or b
d.neither a nor b
c. either a or b
A(n) ___ is used to ensure that a motor rotates in the correct direction when connected to a circuit.
Select one:
a.oscilloscope
b.megohmmeter
c.phase sequence indicator
d.digital logic probe
e.ammeter
c. phase sequence indicator
