Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ All of these Normally excited Over-excited Under-excited All of these Normally excited Over-excited Under-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have One slip rings No slip rings Two slip rings Three slip rings One slip rings No slip rings Two slip rings Three slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Is increased too much Becomes zero Is decreased too much Remains unchanged Is increased too much Becomes zero Is decreased too much Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles A series motor An induction motor A rotary converter An alternator A series motor An induction motor A rotary converter An alternator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the motor is said to be fully loaded the excitation is said to be hundred per cent the excitation is said to be zero per cent the torque generated is maximum the motor is said to be fully loaded the excitation is said to be hundred per cent the excitation is said to be zero per cent the torque generated is maximum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be zero unity lagging leading zero unity lagging leading ANSWER DOWNLOAD EXAMIANS APP
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