Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 5 6 0.5 2 5 6 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ A capacitor None of the listed here An inductor A resistor A capacitor None of the listed here An inductor A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its power factor may be varied at will None of these its speed is independent of supply frequency its speed may be controlled more easily its power factor may be varied at will None of these its speed is independent of supply frequency its speed may be controlled more easily ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum None of the listed here The armature current is zero The armature current is minimum The armature current is maximum None of the listed here The armature current is zero The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ None of the listed here Damper winding Pony motor Variable frequency source None of the listed here Damper winding Pony motor Variable frequency source ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one minute None of these one second one hour one minute None of these one second one hour ANSWER DOWNLOAD EXAMIANS APP
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