Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be lagging zero unity leading lagging zero unity leading 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 Polarity of rotor poles None of the listed here Current to field winding Supply phase sequence Polarity of rotor poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum The armature current is zero None of the listed here The armature current is minimum The armature current is maximum The armature current is zero None of the listed here The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable frequency variable load variable supply voltage windage friction variable frequency variable load variable supply voltage windage friction ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is decreased too much Become zero Is increased too much Remains unchanged Is decreased too much Become zero Is increased too much Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc shunt generator Dc series generator Dc compound generator Synchronous motor Dc shunt generator Dc series generator Dc compound generator Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
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