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Year 3 IEC FINAL Review Questions and Correct Answers Latest Update, Graded A+ $13.49   Add to cart

Exam (elaborations)

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...

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  • August 22, 2024
  • 53
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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1|Page : 2024 | Grade A+




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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