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Three Phase Induction Motors

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

Running torque
Slip
Line voltage
Rotor current

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Three Phase Induction Motors
The term cogging is associated with

Induction motors
Compound generators
Three phase transformer
Dc series motors

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Three Phase Induction Motors
In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______

None of the listed here
Greater mechanical strength
Less rotor losses
Uniform torque

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Three Phase Induction Motors
The torque developed in the cage induction motor with auto-starter is

K × torque with direct switching
K2 × torque with direct switching
k2/torque with direct switching
k/torque with direct switching

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Three Phase Induction Motors
If an induction motor is running at slip S, then rotor output is ______

S × rotor input
(1-S) × rotor input
(S-1) × rotor input
(1+S) × rotor input

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Three Phase Induction Motors
3-phase wound rotor morors are also called _____ motors.

Series
Commutator
Slip ring
Synchronous

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MORE MCQ ON Three Phase Induction Motors

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