Synchronous Motors A three phase synchronous motor will have Two slip rings One slip rings No slip rings Three slip rings Two slip rings One slip rings No slip rings Three slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable load variable supply voltage variable frequency windage friction variable load variable supply voltage variable frequency windage friction 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 more than the supply voltage None of these less than the supply voltage equal to the supply voltage more than the supply voltage None of these less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. None of the listed here Remain unchanged Decrease Increase None of the listed here Remain unchanged Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, Current to field winding Supply phase sequence None of the listed here Polarity of rotor poles Current to field winding Supply phase sequence None of the listed here Polarity of rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Lower stability limit Good speed regulation High stability limit Good voltage regulation Lower stability limit Good speed regulation High stability limit Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
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