Synchronous Motors Dust and dirt accumulation on motor winding will result in Rise in winding temperature Increased core losses Eddy current flow Shorting of coils Rise in winding temperature Increased core losses Eddy current flow Shorting of coils ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Both higher and low excitation Higher excitation only None of the listed here Low excitation only Both higher and low excitation Higher excitation only None of the listed here Low excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque below or above synchronous speed when under loaded only at synchronous speed while over-excited below or above synchronous speed when under loaded only at synchronous speed while over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to Independent of Directly proportional to square of Invesely proportional to Directly proportional to Independent of Directly proportional to square of Invesely proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the supply voltage changing frequency changing the load using brakes changing the supply voltage changing frequency changing the load using brakes ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Low torque loads Power factor corrections Fluctuating loads Variable speed loads Low torque loads Power factor corrections Fluctuating loads Variable speed loads ANSWER DOWNLOAD EXAMIANS APP