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AC 3 Phase Induction motor
9

AC 3 Phase Induction motor MCQ with Answers

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

AC 3 Phase Induction motor MCQ with Answers

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Related AC 3 Phase Induction motor MCQ with Answers

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

11) Which type of rotor is used in squirrelcage induction motor?

Wound type

Squirrel cage

Slipring type

Projecting type

Answer is:

Squirrel cage

12) Why rotor bars of squirrel cage induction motor is skewed?

Reduce magnetic humming

Reduce losses

Improve efficiency

Improve capacity

Answer is:

Reduce magnetic humming

13) How to change the direction of rotation of a 3f squirrel cage induction motor?

By interchanging three terminals

By interchanging any two terminals

By disconnecting one terminal

By reducing the applied voltage

Answer is:

By interchanging any two terminals

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