ELECTRICAL TROUBLESHOOTING TPC 210 EXAM WITH QUESTIONS
AND ANSWERS #15
On an electrical diagram, a control relay is indicated by the designation... - correct
answer CR
The NEC requires a fuse to be installed in all ______ conductors - correct answer
ungrounded
Cross-references to the different locations of limit switches in a diagram are provided
by... - correct answer arrows next to the symbols line number
A control panel layout shows the... - correct answer physical arrangement of all
components
A sequence of operation is used with... - correct answer an elementary diagram
A riser diagram shows the... - correct answer power distribution wiring from input
through output
On a blueprint, wall outlets are indicated by a circle with... - correct answer a short line
drawn to it
In addition to the locations of lighting and lighting panels, lighting diagrams show the
locations of... - correct answer telephone outlets
A power installation drawing shows... - correct answer only power outlets
The actual location and routing of circuits is shown on a... - correct answer wiring
diagram
What is most affected by overvoltage? - correct answer slow speed motors
The maintained start-stop device provides... - correct answer only undervoltage release
What provides both overload protection and short-circuit protection in one unit? - correct
answer 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... - correct answer trip levers on the thermal
overload relays
If an electrical machine has several problems, you should correct ______ problem(s)
before trying the machine again. - correct answer only one
AND ANSWERS #15
On an electrical diagram, a control relay is indicated by the designation... - correct
answer CR
The NEC requires a fuse to be installed in all ______ conductors - correct answer
ungrounded
Cross-references to the different locations of limit switches in a diagram are provided
by... - correct answer arrows next to the symbols line number
A control panel layout shows the... - correct answer physical arrangement of all
components
A sequence of operation is used with... - correct answer an elementary diagram
A riser diagram shows the... - correct answer power distribution wiring from input
through output
On a blueprint, wall outlets are indicated by a circle with... - correct answer a short line
drawn to it
In addition to the locations of lighting and lighting panels, lighting diagrams show the
locations of... - correct answer telephone outlets
A power installation drawing shows... - correct answer only power outlets
The actual location and routing of circuits is shown on a... - correct answer wiring
diagram
What is most affected by overvoltage? - correct answer slow speed motors
The maintained start-stop device provides... - correct answer only undervoltage release
What provides both overload protection and short-circuit protection in one unit? - correct
answer 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... - correct answer trip levers on the thermal
overload relays
If an electrical machine has several problems, you should correct ______ problem(s)
before trying the machine again. - correct answer only one
