TPC 210 ELECTRICAL TROUBLE SHOOTING
TPC 210 ELECTRICAL TROUBLE SHOOTING
FINAL EXAM 2024/2025 VERIFIED Q& A
GRADED A+
In the electronic timing relay, the time-delay assembly is connected in
parallel with the initiating contact
parallel with the line and the relay coil
series with the relay coil
series with the line only
series with the relay coil
The no-load current in a three-phase rectifier is typically 6 to 10% of the
____________ current, and usually includes the cooling fan motor.
circuit-breaker
full-load
locked-rotor
stepping
,TPC 210 ELECTRICAL TROUBLE SHOOTING
full-load
A detailed step-by-step description of all input commands, logic responses, outputs
and machine motions is provided on the
elementary diagram
graph
log
schematic
log
In addition to the locations of lighting and lighting panels, lighting diagrams show
the locations of
circuit breakers in the switchboard
incoming cables
power outlets for machinery
telephone outlets
telephone outlets
,TPC 210 ELECTRICAL TROUBLE SHOOTING
Which of the following kinds of starters is used to limit the starting torque on
certain loads?
Across-the-line
Autotransformer
Reversing
Sequencing
Autotransformer
One added feature of newer motor starters is a single-phase sensor that detects
capacitor failure
current unbalance
high temperatures
voltage surges
current unbalance
All of the following are common reasons why a split-phase motor makes a
noticeable noise when operating, EXCEPT
loose rotor bars
, TPC 210 ELECTRICAL TROUBLE SHOOTING
too little end play
worn bearings
worn centrifugal switch
too little end play
On an electrical diagram, a control relay is indicated by the designation...
CR
The NEC requires a fuse to be installed in all ______ conductors
ungrounded
Cross-references to the different locations of limit switches in a diagram are
provided by...
arrows next to the symbols line number
A control panel layout shows the...
physical arrangement of all components
A sequence of operation is used with...
TPC 210 ELECTRICAL TROUBLE SHOOTING
FINAL EXAM 2024/2025 VERIFIED Q& A
GRADED A+
In the electronic timing relay, the time-delay assembly is connected in
parallel with the initiating contact
parallel with the line and the relay coil
series with the relay coil
series with the line only
series with the relay coil
The no-load current in a three-phase rectifier is typically 6 to 10% of the
____________ current, and usually includes the cooling fan motor.
circuit-breaker
full-load
locked-rotor
stepping
,TPC 210 ELECTRICAL TROUBLE SHOOTING
full-load
A detailed step-by-step description of all input commands, logic responses, outputs
and machine motions is provided on the
elementary diagram
graph
log
schematic
log
In addition to the locations of lighting and lighting panels, lighting diagrams show
the locations of
circuit breakers in the switchboard
incoming cables
power outlets for machinery
telephone outlets
telephone outlets
,TPC 210 ELECTRICAL TROUBLE SHOOTING
Which of the following kinds of starters is used to limit the starting torque on
certain loads?
Across-the-line
Autotransformer
Reversing
Sequencing
Autotransformer
One added feature of newer motor starters is a single-phase sensor that detects
capacitor failure
current unbalance
high temperatures
voltage surges
current unbalance
All of the following are common reasons why a split-phase motor makes a
noticeable noise when operating, EXCEPT
loose rotor bars
, TPC 210 ELECTRICAL TROUBLE SHOOTING
too little end play
worn bearings
worn centrifugal switch
too little end play
On an electrical diagram, a control relay is indicated by the designation...
CR
The NEC requires a fuse to be installed in all ______ conductors
ungrounded
Cross-references to the different locations of limit switches in a diagram are
provided by...
arrows next to the symbols line number
A control panel layout shows the...
physical arrangement of all components
A sequence of operation is used with...