Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 1.25 to 3.5 0.5 5 to 10 6 to 9 1.25 to 3.5 0.5 5 to 10 6 to 9 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Any of the above Power factor of power drawn by the motor Applied voltage of the motor Motor speed Any of the above Power factor of power drawn by the motor Applied voltage of the motor Motor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Remains unchanged Is increased too much Becomes zero Is decreased too much Remains unchanged Is increased too much Becomes zero Is decreased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here A small value of inherent regulation A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here A small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Variable pf Variable speed None of the listed here Singly fed Variable pf Variable speed None of the listed here Singly fed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Applied stator voltage Field excitation Speed Torque angle Applied stator voltage Field excitation Speed Torque angle ANSWER DOWNLOAD EXAMIANS APP