DGVCL Exam Paper (11-12-2011)
The purpose of embedding the damper winding in the pole face of a synchronous motor is to

Reduce bearing friction
Reduce winding losses
Eliminate hunting and provide adequate starting torque
Eliminate losses on account of fair friction

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Split phase motor
Capacitor start capacitor run motor
Capacitor start motor
Universal motor

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