Synchronous Motors A synchronous motor delivers reactive power when ______ Normally excited Under excited None of the listed here Over excited Normally excited Under excited None of the listed here Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By changing the supply frequency By changing the load By changing the applied voltage By interchanging any two phases By changing the supply frequency By changing the load By changing the applied voltage By interchanging any two phases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable load Variable frequency Windage friction Variable supply frequency Variable load Variable frequency Windage friction Variable supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-out torque pull-in torque None of these pull-up torque pull-out torque pull-in torque None of these pull-up torque ANSWER DOWNLOAD EXAMIANS APP
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