Synchronous Motors The percentage slip in case of a synchronous motor is 0.005 1 zero 0.01 0.005 1 zero 0.01 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always 1% Positive 0.5% Zero 1% Positive 0.5% Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be equal to the supply voltage None of these more than the supply voltage less than the supply voltage equal to the supply voltage None of these more than the supply voltage less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be lagging unity leading zero lagging unity leading zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Bearing friction loss Windage loss Core loss Copper loss Bearing friction loss Windage loss Core loss ANSWER DOWNLOAD EXAMIANS APP
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