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Three Phase Induction Motors

Three Phase Induction Motors
In induction motor, percentage slip depends on

Copper losses in motor
Supply voltage
None of these
Supply frequency

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Three Phase Induction Motors
Size of a high speed motor as compared to low speed motor for the same HP will be

Smaller
Bigger
Same
Any of the listed here

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Three Phase Induction Motors
The term cogging is associated with

Compound generators
Three phase transformer
Dc series motors
Induction motors

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Three Phase Induction Motors
An induction motor is so called because its operation depends on

Hysteresis
Eddy currents
Mutual induction
Self induction

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Three Phase Induction Motors
The shaft of an induction motor is made of

Carbon steel
Stainless steel
Cast iron
High speed steel

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Three Phase Induction Motors
In the circle diagram for induction motor, the diameter of the circle represents

Line voltage
Slip
Running torque
Rotor current

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MORE MCQ ON Three Phase Induction Motors

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