Synchronous Motors A synchronous motor delivers reactive power when ______ Over excited Normally excited Under excited None of the listed here Over excited Normally excited Under excited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 6 to 9 5 to 10 1.25 to 3.5 0.5 6 to 9 5 to 10 1.25 to 3.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one hour None of these one second one minute one hour None of these one second one minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the excitation is said to be hundred per cent the torque generated is maximum the motor is said to be fully loaded the excitation is said to be zero per cent the excitation is said to be hundred per cent the torque generated is maximum the motor is said to be fully loaded the excitation is said to be zero per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by c. source supply lines motor input armature input c. source supply lines motor input armature input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Zero minimum Maximum None of the listed here Zero minimum Maximum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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