Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation A higher value of stability limit All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The efficiency of a properly designed synchronous motor will usually fall in range 75 to 80% 85 to 95% 60 to 70% 99 to 99.5% 75 to 80% 85 to 95% 60 to 70% 99 to 99.5% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 60° 120° 45° 90° 60° 120° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed synchronous motor has large air gap mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed synchronous motor has large air gap ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Approches half synchronous speed Approches synchronous speed Is at standstill None of the listed here Approches half synchronous speed Approches synchronous speed Is at standstill None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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