IEC YEAR 3 FINAL EXAM NEWEST ACTUAL EXAM
COMPLETE 250 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
At gas stations, the dispenser hose has a bonding wire inside the outer jacket of
the hose. This bonds the nozzle to the conduit and fittings that are bonded in the
electric dispenser itself. As long as this bond is maintained, the static is
transferred into the electrical system and discharged into the ___.
Select one:
a.vehicle being refueled
b.atmosphere
c.fuel tanks
d.earth - ans -d. earth
OSHA requires a ___ to be provided on all trucks and other vehicles used to
transport and/or dispense flammable or combustible liquids.
Select one:
a.C-rated fire extinguisher
b.gas mask
c.static guard
d.all of these - ans -a. C-rated fire extinguisher
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
- ans -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
- ans -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
- ans -a. megohmmeter
The training section of an electrical safety program identifies all training required
for contractors and vendors.
Select one:
a.True
b.False
ans -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
,- ans -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
- ans -d. all of these
Before removing a fuse, the circuit should be de-energized.
Select one:
a.True
b.False
- ans -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
- ans -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 - ans -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
ans -c. either a or b
A(n) ___ is used to ensure that a motor rotates in the correct direction when
connected to a circuit.
___ is indicated on a clamp-on ammeter when placed within the magnetic field
produced around a single conductor.
Select one:
a.Voltage
b.Resistance
c.Current
d.any of these - ans -c. current
___ is indicated on a clamp-on ammeter when placed within the magnetic field
produced around a single conductor.
Select one:
a.Voltage
b.Resistance
c.Current
d.any of these - ans -a. voltage
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