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Three Phase Induction Motors

Three Phase Induction Motors
The air gap between stator and rotor of 3-phase induction motor ranges from ______

1 cm to 2 cm
4 cm to 6 cm
2 cm to 4 cm
0.4 mm to 4 mm

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Three Phase Induction Motors
The condition of induction motor at stand still resemble those of a transformer whose secondady is _______

None of the listed here
Short circuited
Supplying a variable resistive load
Open circuited

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Three Phase Induction Motors
An induction motor is

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

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

Hollow
Flexible
Any of the listed here
Stiff

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Three Phase Induction Motors
The cogging of an induction motor can be avoided by

Auto transformer starter
Proper ventilation
Using DOL starter
Having number of rotor slots more or less than the number of stator slots

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

Mutual induction
Hysteresis
Eddy currents
Self induction

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MORE MCQ ON Three Phase Induction Motors

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