Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation good voltage regulation high stability limit lower stability limit good speed regulation good voltage regulation high stability limit lower stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle speed load All of these load angle speed load All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Decrease Remain unchanged Increase None of the listed here Decrease Remain unchanged Increase None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Salient pole type machines Alternator type machines Smooth cylindrical type machines Induction type machines Salient pole type machines Alternator type machines Smooth cylindrical type machines Induction type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its speed may be controlled more easily None of these its speed is independent of supply frequency its power factor may be varied at will its speed may be controlled more easily None of these its speed is independent of supply frequency its power factor may be varied at will ANSWER DOWNLOAD EXAMIANS APP