Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very high the stator current will be very small the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very high the stator current will be very small ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has all of the listed here a higher synchronizing power which makes the machine less sensitive to load variations a small value of inherent regulation a higher value of stability limit all of the listed here a higher synchronizing power which makes the machine less sensitive to load variations a small value of inherent regulation a higher value of stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry Direct current All of the listed here Alternating current No current Direct current All of the listed here Alternating current No current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Phase advancer Voltage booster Noise generator Mechanical synchronizer Phase advancer Voltage booster Noise generator Mechanical synchronizer ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Bearing friction loss Copper loss Windage loss Core loss Bearing friction loss Copper loss Windage loss Core loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 4 percent 10 percent Zero 2 percent 4 percent 10 percent Zero 2 percent ANSWER DOWNLOAD EXAMIANS APP