Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Remains constant at all loads Varies with power factor Varies with speed Varies with the load Remains constant at all loads Varies with power factor Varies with speed Varies with the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 45° 0° 75° 30° 45° 0° 75° 30° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here Increases Decreases 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 synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Both higher and low excitation None of the listed here Low excitation only Higher excitation only Both higher and low excitation None of the listed here Low excitation only Higher excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing frequency changing the load using brakes changing the supply voltage changing frequency changing the load using brakes changing the supply voltage ANSWER DOWNLOAD EXAMIANS APP
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