Electric Motor Repair Test 


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Electric Motor Repair Assessment

 

Electric Motor Repair :

Electric motor repair test, 5 questions. As a bonus, it includes five frequently asked questions and answers about electric motor repair.

 

 

Electric Motor Repair test details:

( 5 Questions )

 

Below is a refresher on Electric Motor Repair. After you are comfortable with the overview, you can tap the Green 'Start' button above to take the Electric Motor Repair test. This refresh and test process will help you retain the information longer. To learn PLC and electrical troubleshooting, see the Troubleshooting Trainer.

What is the purpose of a commutator in an electric motor?

The commutator reverses the direction of current flow in the armature coils, allowing the motor to rotate continuously in one direction.

Which of the following does NOT cause an electric motor to overheat?

An electric motor can overheat due to excessive load, insufficient cooling airflow, or faulty motor bearings. Low voltage supply can also contribute to overheating, but high voltage supply does not typically cause overheating.

What is the purpose of a centrifugal switch in a single-phase induction motor?

The centrifugal switch disconnects the starting winding once the motor reaches a certain speed. This allows the motor to transition from starting mode to running mode.

Which of the following is NOT a common cause of motor bearing failure?

Motor bearing failure can be caused by lack of lubrication, excessive vibration, dirt or debris contamination, and motor overload. Using the wrong type of bearings is not typically a common cause of failure.

What is the purpose of a capacitor in a single-phase induction motor?

The capacitor creates a phase shift between the main and auxiliary windings in a single-phase induction motor, which allows the motor to generate a rotating magnetic field.

Tap the Green 'Start' button above for the Electric Motor Repair test.

 

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