Electrical Troubleshooting Tpc 210
Questions And Answers 2025/2026 Graded
A+
QUESTIONS AND ANSWERS
On an electrical diagram, a control relay is indicated by the designation.... ANSWER -CR
The NEC requires a fuse to be installed in all ______ conductors. ANSWER -ungrounded
Cross-references to the different locations of limit switches in a diagram are provided by....
ANSWER -arrows next to the symbols line number
A control panel layout shows the.... ANSWER -physical arrangement of all components
A sequence of operation is used with.... ANSWER -an elementary diagram
A riser diagram shows the.... ANSWER -power distribution wiring from input through
output
On a blueprint, wall outlets are indicated by a circle with.... ANSWER -a short line drawn
to it
In addition to the locations of lighting and lighting panels, lighting diagrams show the
locations of.... ANSWER -telephone outlets
A power installation drawing shows.... ANSWER -only power outlets
The actual location and routing of circuits is shown on a.... ANSWER -wiring diagram
What is most affected by overvoltage?. ANSWER -slow speed motors
, The maintained start-stop device provides.... ANSWER -only undervoltage release
What provides both overload protection and short-circuit protection in one unit?.
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.... 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.. ANSWER -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.... ANSWER -controller
Overvoltage, excessive current, too-frequent operation are possible causes of ______
magnet coils.. ANSWER -burned or short-circuited
What are NOT typically connected to a control relay?. ANSWER -motors
In the electronic timing relay, the time-delay assembly is connected in.... ANSWER -series
with the relay coil
Interchanging any two supply leads of a three phase motor.... ANSWER -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. ANSWER -mechanically interconnected
Questions And Answers 2025/2026 Graded
A+
QUESTIONS AND ANSWERS
On an electrical diagram, a control relay is indicated by the designation.... ANSWER -CR
The NEC requires a fuse to be installed in all ______ conductors. ANSWER -ungrounded
Cross-references to the different locations of limit switches in a diagram are provided by....
ANSWER -arrows next to the symbols line number
A control panel layout shows the.... ANSWER -physical arrangement of all components
A sequence of operation is used with.... ANSWER -an elementary diagram
A riser diagram shows the.... ANSWER -power distribution wiring from input through
output
On a blueprint, wall outlets are indicated by a circle with.... ANSWER -a short line drawn
to it
In addition to the locations of lighting and lighting panels, lighting diagrams show the
locations of.... ANSWER -telephone outlets
A power installation drawing shows.... ANSWER -only power outlets
The actual location and routing of circuits is shown on a.... ANSWER -wiring diagram
What is most affected by overvoltage?. ANSWER -slow speed motors
, The maintained start-stop device provides.... ANSWER -only undervoltage release
What provides both overload protection and short-circuit protection in one unit?.
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.... 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.. ANSWER -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.... ANSWER -controller
Overvoltage, excessive current, too-frequent operation are possible causes of ______
magnet coils.. ANSWER -burned or short-circuited
What are NOT typically connected to a control relay?. ANSWER -motors
In the electronic timing relay, the time-delay assembly is connected in.... ANSWER -series
with the relay coil
Interchanging any two supply leads of a three phase motor.... ANSWER -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. ANSWER -mechanically interconnected