Year 3 IEC FINAL Review Questions and Correct Answers Latest Update, Graded A+
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Course
IEC
Institution
IEC
___ is a type of overload relay used in a motor start.
a. Melting allow
b. Bimetallic
c. Magnetic
d. All of these
o :## All of these
A melting allow overload in a magnetic motor starter ____.
Select one:
a. actuates when excessive motor circuit current is present and opens only the
affec...
Year 3 IEC FINAL Review Questions
and Correct Answers Latest Update,
Graded A+
___ is a type of overload relay used in a motor start.
a. Melting allow
b. Bimetallic
c. Magnetic
d. All of these
o :## All of these
A melting allow overload in a magnetic motor starter ____.
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
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
,2|Page : 2024 | Grade A+
e. actuates when excessive control circuit current is present and opens the control
circuit to de-energize the coil
o :## actuates when excessive motor circuit current is present and opens the
control circuit to de-energize the coil
A 240-volt, 3Φ motor would require a starter with a minimum of ___ power pole(s)
to open the circuit.
Select one:
a. 3
b. 1
c. 2
o :## 3
Refer to Figure 321.13 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
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
,3|Page : 2024 | Grade A+
o :## disconnect (or safety switch)
Inherent motor protection devices are built into the motor and are reset ___.
Select one:
a. manually
b. automatically
o :## automatically
Inherent motor protection devices are built into the ___ and are reset
automatically.
Select one:
a. motor
b. starter
o :## motor
When light strings are 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
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 4|Page : 2024 | Grade A+
b. immediately
c. within 72 hours
d. within 24 hours
o :## immediately
The OSHA regulations set 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
o :## more
Where construction work is in progress, OSHA requires areas, aisles, stairs , ramps,
runways, corridors, offices, shops, and storage areas to be lighted.
Select one:
a. True
b. False
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
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