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Year 3 IEC FINAL Review Exam fully solved &
updated 2025-2026(latest version verified for
accuracy) | 2024\2025Latest!!

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Terms in this set (123)


___ is a type of overload All of these
relay used in a motor start.


a. Melting allow
b. Bimetallic
c. Magnetic
d. All of these




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A melting allow overload actuates when excessive motor circuit current is
in a magnetic motor present and opens the control circuit to de-energize
starter ____. the coil
Select one:
a. actuates when
excessive motor circuit
current is present and
opens only the affected
motor circuit power
contacts on the starter
b. must be replaced after
it operates
c. can be reset
immediately after it
operates
d. actuates when
excessive motor circuit
current is present and
opens the control circuit
to de-energize the coil
e. actuates when
excessive control circuit
current is present and
opens the control circuit
to de-energize the coil

A 240-volt, 3Φ motor 3
would require a starter
with a minimum of ___
power pole(s) to open the
circuit.


Select one:
a. 3
b. 1
c. 2



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Refer to Figure 321.13 disconnect (or safety switch)
Symbol S is a ___.


Select one:
a. circuit interrupter (or
breaker)
b. disconnect (or safety
switch)
c. circuit breaker with
thermal OLs
d. circuit breaker with
magnetic OLs
e. circuit breaker with
thermal and magnetic OLs

Inherent motor protection automatically
devices are built into the
motor and are reset ___.


Select one:
a. manually
b. automatically

Inherent motor protection motor
devices are built into the
___ and are reset
automatically.


Select one:
a. motor
b. starter




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When light strings are immediately
utilized on a construction
site, empty sockets or
sockets with shattered
lamps should be replaced
___ after being reported.


Select one:
a. before the next work
shift
b. immediately
c. within 72 hours
d. within 24 hours

The OSHA regulations set more
the minimum lighting level
for different areas on
constructions sites. These
levels are dependant
upon the task being
performed in the area. For
example, ___ foot candles
are required in an area
used for offices than the
number that would be
required for storage.


Select one:
a. more
b. less




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