6 questions Intermediate

ECADEMY test

106L - Electromagnetic Motors

This course test contains 6 questions and can be retaken at any time.

You must answer all questions correctly to pass the test and complete the course.

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Question 1 of 6 Intermediate

You can typically increase motor efficiency by 5% by using a permanent magnet synchronous motor instead of an induction motor?

Question 2 of 6 Intermediate

When power is applied to the stator, an expanding magnetic field is created that cuts across the rotor conductor bars and induces current in the rotor. This is the basic principle of which of the following?

Question 3 of 6 Intermediate

Permanent magnet synchronous motors are more efficient than induction motors due to a change in which major motor component?

Question 4 of 6 Intermediate

Which of the following electrical devices is most commonly used to start a single-phase motor?

Question 5 of 6 Intermediate

The slip in an induction motor is greater at no load than it is at full load?

Question 6 of 6 Intermediate

Stator laminations are typically made of which material?

Question 6 of 6 Intermediate

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Correct
Q: You can typically increase motor efficiency by 5% by using a permanent magnet synchronous motor instead of an induction motor?
A: True
Correct
Q: When power is applied to the stator, an expanding magnetic field is created that cuts across the rotor conductor bars and induces current in the rotor. This is the basic principle of which of the following?
A: Induction
Correct
Q: Permanent magnet synchronous motors are more efficient than induction motors due to a change in which major motor component?
A: Rotor
Correct
Q: Which of the following electrical devices is most commonly used to start a single-phase motor?
A: Capacitor
Correct
Q: The slip in an induction motor is greater at no load than it is at full load?
A: False
Correct
Q: Stator laminations are typically made of which material?
A: Steel