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THREE PHASE INDUCTION MOTORS

Three Phase Induction Motors
The maximum torque in an induction motor depends on

Frequency
Rotor inductive reactance
All of the listed here
Square of supply voltage

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Three Phase Induction Motors
An induction motor is

Self starting with low torque
Non self starting
Self starting with zero torque
Self starting with high torque

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

Line voltage
Running torque
Slip
Rotor current

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Three Phase Induction Motors
The good power factor of an induction motor can be achieved if the average flux density in the air gap is

Infinity
Small
Large
Absent

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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

Any of the listed here
Bigger
Smaller
Same

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