Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One minute None of the listed here One hour One second One minute None of the listed here One hour One second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the vector sum of Eb and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, None of the listed here Polarity of rotor poles Current to field winding Supply phase sequence None of the listed here Polarity of rotor poles Current to field winding Supply phase sequence ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 5 0.5 2 6 5 0.5 2 6 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Variable speed Singly fed Variable pf None of the listed here Variable speed Singly fed Variable pf None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Motor speed Applied voltage of the motor Any of the above Power factor of power drawn by the motor Motor speed Applied voltage of the motor Any of the above Power factor of power drawn by the motor ANSWER DOWNLOAD EXAMIANS APP
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