DGVCL Exam Paper (11-12-2011)
An over excited synchronous motor draws current at

Lagging power factor
Unity power factor
Leading power factor
Depends on nature of load

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DGVCL Exam Paper (11-12-2011)
The purpose of skewing of rotor slots in an induction motor is

To increase the breadth factor
To reduce the locking tendency of the rotor
To increase the distributuion factor
To reduce the magnetic hum of the motor

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