YEAR 3 IEC FINAL REVIEW
EXAM QUESTIONS AND
ANSWERS ALL VERIFIED BY
K
AN EXPECT A+ GRADED
C
LO
YC
D
U
ST
,___ is a type of overload relay used in a motor start.
a. Melting allow
b. Bimetallic
c. Magnetic
d. All of these
All of these
K
A melting allow overload in a magnetic motor starter ____.
Select one:
C
a. actuates when excessive motor circuit current is present and opens
only the affected motor circuit power contacts on the starter
LO
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
YC
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
actuates when excessive motor circuit current is present and opens
D
the control circuit to de-energize the coil
U
A 240-volt, 3Φ motor would require a starter with a minimum of ___
ST
power pole(s) to open the circuit.
Select one:
a. 3
b. 1
c. 2
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
K
disconnect (or safety switch)
C
Inherent motor protection devices are built into the motor and are
LO
reset ___.
Select one:
YC
a. manually
b. automatically
automatically
D
Inherent motor protection devices are built into the ___ and are reset
U
automatically.
ST
Select one:
a. motor
b. starter
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
b. immediately
c. within 72 hours
d. within 24 hours
K
immediately
C
The OSHA regulations set the minimum lighting level for different
LO
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
YC
required for storage.
Select one:
a. more
D
b. less
more
U
ST
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
True
EXAM QUESTIONS AND
ANSWERS ALL VERIFIED BY
K
AN EXPECT A+ GRADED
C
LO
YC
D
U
ST
,___ is a type of overload relay used in a motor start.
a. Melting allow
b. Bimetallic
c. Magnetic
d. All of these
All of these
K
A melting allow overload in a magnetic motor starter ____.
Select one:
C
a. actuates when excessive motor circuit current is present and opens
only the affected motor circuit power contacts on the starter
LO
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
YC
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
actuates when excessive motor circuit current is present and opens
D
the control circuit to de-energize the coil
U
A 240-volt, 3Φ motor would require a starter with a minimum of ___
ST
power pole(s) to open the circuit.
Select one:
a. 3
b. 1
c. 2
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
K
disconnect (or safety switch)
C
Inherent motor protection devices are built into the motor and are
LO
reset ___.
Select one:
YC
a. manually
b. automatically
automatically
D
Inherent motor protection devices are built into the ___ and are reset
U
automatically.
ST
Select one:
a. motor
b. starter
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
b. immediately
c. within 72 hours
d. within 24 hours
K
immediately
C
The OSHA regulations set the minimum lighting level for different
LO
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
YC
required for storage.
Select one:
a. more
D
b. less
more
U
ST
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
True
