ELE 74 QUIZ 12 CONTACTORS AND MAGNETIC MOTOR STARTERS
QUESTIONS WITH DETAILED VERIFIED AND 100% ACCURATE
ANSWERS ALREADY GRADED A+ LATEST UPDATE!!!
The ___ indicator on a trip indicator informs the operator or electrician why the unit is not operating and
that it is potentially capable of restarting with an automatic reset.
A. green
B. yellow
C. orange
D. red - (answer)D. red
A(n) ___ overload relay is an overload relay that resets automatically.
A. magnetic
B. bimetallic
C. ambient temperature
D. inherent - (answer)B. bimetallic
Normally, only one ___ unit with one or two contacts is added per contactor or motor starter.
A. pneumatic timer
B. power pole
C. additional electrical contact
D. transient suppression module - (answer)B. power pole
___ control provides low-voltage release and low-voltage protection.
A. Two-wire
B. Three-wire
, ELE 74 QUIZ 12 CONTACTORS AND MAGNETIC MOTOR STARTERS
QUESTIONS WITH DETAILED VERIFIED AND 100% ACCURATE
ANSWERS ALREADY GRADED A+ LATEST UPDATE!!!
C. AC
D. DC - (answer)B. Three-wire
Contactor and magnetic motor starter modification devices include additional electrical contacts, power
poles, pneumatic timers, transient suppression modules, and ___.
A. photoelectric switches
B. internal DMMs
C. additional busbar connections
D. control circuit fuse holders - (answer)D. control circuit fuse holders
A ___ is an overcurrent protection device with a mechanism that automatically opens the circuit when
an overload condition or short circuit occurs.
A. thermistor
B. circuit breaker
C. bimetallic thermodisc
D. current transformer - (answer)B. circuit breaker
For fully reliable motor protection, heat coils should be selected based on the motor ___ rating shown
on the motor nameplate.
A. full-load current
B. service factor
C. ambient temperature
D. horsepower - (answer)A. full-load current
QUESTIONS WITH DETAILED VERIFIED AND 100% ACCURATE
ANSWERS ALREADY GRADED A+ LATEST UPDATE!!!
The ___ indicator on a trip indicator informs the operator or electrician why the unit is not operating and
that it is potentially capable of restarting with an automatic reset.
A. green
B. yellow
C. orange
D. red - (answer)D. red
A(n) ___ overload relay is an overload relay that resets automatically.
A. magnetic
B. bimetallic
C. ambient temperature
D. inherent - (answer)B. bimetallic
Normally, only one ___ unit with one or two contacts is added per contactor or motor starter.
A. pneumatic timer
B. power pole
C. additional electrical contact
D. transient suppression module - (answer)B. power pole
___ control provides low-voltage release and low-voltage protection.
A. Two-wire
B. Three-wire
, ELE 74 QUIZ 12 CONTACTORS AND MAGNETIC MOTOR STARTERS
QUESTIONS WITH DETAILED VERIFIED AND 100% ACCURATE
ANSWERS ALREADY GRADED A+ LATEST UPDATE!!!
C. AC
D. DC - (answer)B. Three-wire
Contactor and magnetic motor starter modification devices include additional electrical contacts, power
poles, pneumatic timers, transient suppression modules, and ___.
A. photoelectric switches
B. internal DMMs
C. additional busbar connections
D. control circuit fuse holders - (answer)D. control circuit fuse holders
A ___ is an overcurrent protection device with a mechanism that automatically opens the circuit when
an overload condition or short circuit occurs.
A. thermistor
B. circuit breaker
C. bimetallic thermodisc
D. current transformer - (answer)B. circuit breaker
For fully reliable motor protection, heat coils should be selected based on the motor ___ rating shown
on the motor nameplate.
A. full-load current
B. service factor
C. ambient temperature
D. horsepower - (answer)A. full-load current
