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AC 3 Phase Induction motor
6

AC 3 Phase Induction motor MCQ with Answers

6) Which speed of 3-phase induction motor runs?

Above synchronous speed

Below synchronous speed

Equal to synchronous speed

At slip speed

Answer is:

Below synchronous speed

AC 3 Phase Induction motor MCQ with Answers

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Related AC 3 Phase Induction motor MCQ with Answers

7) What is the value of slip at the time of starting of 3 phase induction motor?

Two

Three

One

Zero

Answer is:

One

8) Which is directly proportional to torque in 3 phase induction motor?

Rotor power factor

Stator frequency

Number of poles

Supply voltage

Answer is:

Rotor power factor

9) What is phase angle difference between three windings in three phase squirrel cage induction motor?

360 Degree

90 Degree

120 Degree

30 Degree

Answer is:

120 Degree

10) Which material is used to wound outer cage rotor bars of a double squirrelcage induction motor?

Brass

Aluminium

Copper

Silicon steel

Answer is:

Brass

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