

Three-Phase Motor Starter Quiz
Interactive Video
•
Physics
•
10th - 12th Grade
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the coil in a three-phase motor starter?
To provide mechanical support
To energize the starter
To cool the motor
To measure voltage
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is power routed to the motor in a three-phase motor starter?
Directly from the power source
Using a battery backup
Through a series of open contacts
Via a single closed contact
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of L1, L2, and L3 in the motor starter?
They are used for grounding
They are used for cooling
They are the lines where power comes in
They are the lines where power goes out
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the auxiliary contacts when the contactor is energized?
They short-circuit the motor
They change from their normal state
They remain in their normal state
They disconnect from the circuit
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the status of the motor be indicated using auxiliary contacts?
By using a thermometer
By using a sound alarm
By using indicator lights
By using a pressure gauge
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