Synchronous Motors The back e.m.f. of a synchronous motor depends on load load angle speed All of these load load angle speed All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kVAR rating None of the listed here kVA rating kW rating kVAR rating None of the listed here kVA rating kW rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Supply voltage fluctuates Load in motor varies Excitation winding gets disconnected Supply voltage frequency changes Supply voltage fluctuates Load in motor varies Excitation winding gets disconnected Supply voltage frequency changes ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-up torque None of these pull-out torque pull-in torque pull-up torque None of these pull-out torque pull-in torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By interchanging any two phases By changing the supply frequency By changing the load By changing the applied voltage By interchanging any two phases By changing the supply frequency By changing the load By changing the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing None of the listed here Damper winding on rotor poles Damper winding on stator as well as rotor poles Damper winding on stator None of the listed here Damper winding on rotor poles Damper winding on stator as well as rotor poles Damper winding on stator ANSWER DOWNLOAD EXAMIANS APP
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