Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be zero unity lagging leading zero unity lagging leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Identical to that of a dc motor Salient pole type Nonsalient pole type None of the listed here Identical to that of a dc motor Salient pole type Nonsalient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable load variable frequency variable supply voltage windage friction variable load variable frequency variable supply voltage windage friction ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. None of the listed here Variable pf Variable speed Singly fed None of the listed here Variable pf Variable speed Singly fed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ None of the listed here 100 cycles/second 50 cycles/second 25 cycles/ second None of the listed here 100 cycles/second 50 cycles/second 25 cycles/ second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Maximum minimum Zero None of the listed here Maximum minimum Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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