Synchronous Motors The rotor of a synchronous motor is Identical to that of a dc motor Salient pole type Nonsalient pole type None of the listed here Identical to that of a dc motor Salient pole type Nonsalient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 45° 90° 120° 60° 45° 90° 120° 60° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Windage friction Variable load Variable supply frequency Variable frequency Windage friction Variable load Variable supply frequency Variable frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or 0.8 lagging unity or zero unity or 0.8 leading zero or 0.8 leading unity or 0.8 lagging unity or zero unity or 0.8 leading zero or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 36 None of the listed here 16 30 36 None of the listed here 16 30 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 0.5 1.25 to 3.5 5 to 10 6 to 9 0.5 1.25 to 3.5 5 to 10 6 to 9 ANSWER DOWNLOAD EXAMIANS APP