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Three Phase Induction Motors

Three Phase Induction Motors
The starting torque of a squirrel cage induction motor is

Low
Negligible
Slightly more than full load torque
Same as full load torque

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

Flexible
Hollow
Any of the listed here
Stiff

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Three Phase Induction Motors
The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current.

15 to 20 %
30 to 50%
5%
10 to 15%

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Three Phase Induction Motors
The torque developed by a 3 phase induction motor least depends on

Shaft diameter
Rotor power factor
Rotor emf
Rotor current

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

Running torque
Line voltage
Slip
Rotor current

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Three Phase Induction Motors
The rotor of an induction motor runs at

Above synchronous speed
Below synchronous speed
Any of the above
Synchronous speed

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MORE MCQ ON Three Phase Induction Motors

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