ELECTRICAL TROUBLESHOOTING TPC
210 | QUESTIONS AND ANSWERS | 2026
UPDATE | WITH COMPLETE SOLUTION
ALREADY GRADED+|| RANKED
What provides both overload protection and short-circuit protection in
one unit? - ANSWERS-combination motor starter
If a motor stops for no apparent reason and you are called to inspect
the motor starter, the first thing you should check is the... - ANSWERS-
trip levers on the thermal overload relays
If an electrical machine has several problems, you should correct
______ problem(s) before trying the machine again. - ANSWERS-only one
If you close the contacts of a motor controller and measure a potential
difference of zero between the motor terminal, the fault is probably in
the... - ANSWERS-controller
Overvoltage, excessive current, too-frequent operation are possible
causes of ______ magnet coils. - ANSWERS-burned or short-circuited
What are NOT typically connected to a control relay? - ANSWERS-
motors
, In the electronic timing relay, the time-delay assembly is connected
in... - ANSWERS-series with the relay coil
Interchanging any two supply leads of a three phase motor... -
ANSWERS-reverses the direction the motor runs
Most reversing starters with low voltage remote pushbuttons are all of
the following EXCEPT...
electrically interlocked
mechanically interlocked
electrically interconnected
mechanically interconnected - ANSWERS-mechanically interconnected
On an electrical diagram, a control relay is indicated by the
designation... - ANSWERS-CR
The NEC requires a fuse to be installed in all ______ conductors -
ANSWERS-ungrounded
Cross-references to the different locations of limit switches in a
diagram are provided by... - ANSWERS-arrows next to the symbols line
number
A control panel layout shows the... - ANSWERS-physical arrangement
of all components
210 | QUESTIONS AND ANSWERS | 2026
UPDATE | WITH COMPLETE SOLUTION
ALREADY GRADED+|| RANKED
What provides both overload protection and short-circuit protection in
one unit? - ANSWERS-combination motor starter
If a motor stops for no apparent reason and you are called to inspect
the motor starter, the first thing you should check is the... - ANSWERS-
trip levers on the thermal overload relays
If an electrical machine has several problems, you should correct
______ problem(s) before trying the machine again. - ANSWERS-only one
If you close the contacts of a motor controller and measure a potential
difference of zero between the motor terminal, the fault is probably in
the... - ANSWERS-controller
Overvoltage, excessive current, too-frequent operation are possible
causes of ______ magnet coils. - ANSWERS-burned or short-circuited
What are NOT typically connected to a control relay? - ANSWERS-
motors
, In the electronic timing relay, the time-delay assembly is connected
in... - ANSWERS-series with the relay coil
Interchanging any two supply leads of a three phase motor... -
ANSWERS-reverses the direction the motor runs
Most reversing starters with low voltage remote pushbuttons are all of
the following EXCEPT...
electrically interlocked
mechanically interlocked
electrically interconnected
mechanically interconnected - ANSWERS-mechanically interconnected
On an electrical diagram, a control relay is indicated by the
designation... - ANSWERS-CR
The NEC requires a fuse to be installed in all ______ conductors -
ANSWERS-ungrounded
Cross-references to the different locations of limit switches in a
diagram are provided by... - ANSWERS-arrows next to the symbols line
number
A control panel layout shows the... - ANSWERS-physical arrangement
of all components
