Synchronous Motors A three phase synchronous motor will have Two slip rings Three slip rings No slip rings One slip rings Two slip rings Three slip rings No slip rings One slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Remain unchanged None of the listed here Decrease Increase Remain unchanged None of the listed here Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit A small value of inherent regulation All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A higher value of stability limit A small value of inherent regulation All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Remains constant at all loads Varies with the load Varies with speed Varies with power factor Remains constant at all loads Varies with the load Varies with speed Varies with power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 0° 75° 45° 30° 0° 75° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque while over-excited below or above synchronous speed only at synchronous speed when under loaded while over-excited below or above synchronous speed only at synchronous speed when under loaded ANSWER DOWNLOAD EXAMIANS APP