ELECTRICAL TROUBLESHOOTING TPC
210 EXAM QUESTIONS AND CORRECT
ANSWERS. VERIFIED 2025/2026.
On an electrical diagram, a control relay is indicated by the designation... - ANS CR
The NEC requires a fuse to be installed in all ______ conductors - ANS ungrounded
Cross-references to the different locations of limit switches in a diagram are provided by... -
ANS arrows next to the symbols line number
A control panel layout shows the... - ANS physical arrangement of all components
A sequence of operation is used with... - ANS an elementary diagram
A riser diagram shows the... - ANS power distribution wiring from input through output
On a blueprint, wall outlets are indicated by a circle with... - ANS a short line drawn to it
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, In addition to the locations of lighting and lighting panels, lighting diagrams show the locations
of... - ANS telephone outlets
A power installation drawing shows... - ANS only power outlets
The actual location and routing of circuits is shown on a... - ANS wiring diagram
What is most affected by overvoltage? - ANS slow speed motors
The maintained start-stop device provides... - ANS only undervoltage release
What provides both overload protection and short-circuit protection in one unit? -
ANS 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... - ANS trip levers on the thermal overload relays
If an electrical machine has several problems, you should correct ______ problem(s) before
trying the machine again. - ANS 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... - ANS controller
Overvoltage, excessive current, too-frequent operation are possible causes of ______ magnet
coils. - ANS burned or short-circuited
What are NOT typically connected to a control relay? - ANS motors
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
210 EXAM QUESTIONS AND CORRECT
ANSWERS. VERIFIED 2025/2026.
On an electrical diagram, a control relay is indicated by the designation... - ANS CR
The NEC requires a fuse to be installed in all ______ conductors - ANS ungrounded
Cross-references to the different locations of limit switches in a diagram are provided by... -
ANS arrows next to the symbols line number
A control panel layout shows the... - ANS physical arrangement of all components
A sequence of operation is used with... - ANS an elementary diagram
A riser diagram shows the... - ANS power distribution wiring from input through output
On a blueprint, wall outlets are indicated by a circle with... - ANS a short line drawn to it
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, In addition to the locations of lighting and lighting panels, lighting diagrams show the locations
of... - ANS telephone outlets
A power installation drawing shows... - ANS only power outlets
The actual location and routing of circuits is shown on a... - ANS wiring diagram
What is most affected by overvoltage? - ANS slow speed motors
The maintained start-stop device provides... - ANS only undervoltage release
What provides both overload protection and short-circuit protection in one unit? -
ANS 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... - ANS trip levers on the thermal overload relays
If an electrical machine has several problems, you should correct ______ problem(s) before
trying the machine again. - ANS 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... - ANS controller
Overvoltage, excessive current, too-frequent operation are possible causes of ______ magnet
coils. - ANS burned or short-circuited
What are NOT typically connected to a control relay? - ANS motors
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
