Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Core loss Bearing friction loss Windage loss Copper loss Core loss Bearing friction loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Independent of Directly proportional to square of Invesely proportional to Directly proportional to Independent of Directly proportional to square of Invesely proportional to Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles a rotary converter an induction motor a series motor an alternator a rotary converter an induction motor a series motor an alternator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is over-loaded under-loaded supplied with unbalanced voltage None of these over-loaded under-loaded supplied with unbalanced voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging power factor only Leading power factor Lagging, leading and unity power factors Unity power factor only Lagging power factor only Leading power factor Lagging, leading and unity power factors Unity power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ None of the listed here 30 16 36 None of the listed here 30 16 36 ANSWER DOWNLOAD EXAMIANS APP