Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its speed may be controlled more easily its speed is independent of supply frequency its power factor may be varied at will None of these its speed may be controlled more easily its speed is independent of supply frequency its power factor may be varied at will None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Over-excited Under-excited All of these Normally excited Over-excited Under-excited All of these Normally excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Increase None of the listed here Decrease Remain unchanged Increase None of the listed here Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 30° 75° 0° 45° 30° 75° 0° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 1 0.01 zero 0.005 1 0.01 zero 0.005 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always 0.5% Positive Zero 1% 0.5% Positive Zero 1% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS