Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 90° electrical 0° electrical 30° electrical 45° electrical 90° electrical 0° electrical 30° electrical 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 Remain unchanged Decrease Increase None of the listed here Remain unchanged Decrease ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 10 percent 2 percent 4 percent Zero 10 percent 2 percent 4 percent Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.8 lagging 0.8 leading Unity 0.5 leading 0.8 lagging 0.8 leading Unity 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Core loss Windage loss Bearing friction loss Copper loss Core loss Windage loss Bearing friction loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Infinity Two Zero One Infinity Two Zero One ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS