Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Supply frequency Field excitation None of the listed here Mechanical load Supply frequency Field excitation None of the listed here Mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 60° 45° 90° 120° 60° 45° 90° 120° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Increase Decrease Remain unchanged None of the listed here Increase Decrease Remain unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Core loss Copper loss Windage loss Bearing friction loss Core loss Copper loss Windage loss Bearing friction loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Nonsalient pole type None of the listed here Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here Salient pole type Identical to that of a dc motor ANSWER DOWNLOAD EXAMIANS APP
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