Synchronous Motors Slip rings in a synchronous motor carry No current All of the listed here Alternating current Direct current No current All of the listed here Alternating current Direct current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is decreased too much Become zero Remains unchanged Is increased too much Is decreased too much Become zero Remains unchanged Is increased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation high stability limit lower stability limit good voltage regulation good speed regulation high stability limit lower stability limit good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are zero or 0.8 leading unity or 0.8 lagging unity or 0.8 leading unity or zero zero or 0.8 leading unity or 0.8 lagging unity or 0.8 leading unity or zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 leading 0.8 lagging None of the listed here Unity 0.8 leading 0.8 lagging None of the listed here Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Zero Infinity One Two Zero Infinity One Two ANSWER DOWNLOAD EXAMIANS APP