Synchronous Motors The speed of a synchronous motor Decreases as the load decreases Increases as the load increases Always remains constant None of the listed here Decreases as the load decreases Increases as the load increases Always remains constant None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Voltage booster Mechanical synchronizer Phase advancer Noise generator Voltage booster Mechanical synchronizer Phase advancer Noise generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 60° 120° 90° 45° 60° 120° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ All of these Normally excited Under-excited Over-excited All of these Normally excited Under-excited Over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with the load Varies with speed Varies with power factor Remains constant at all loads Varies with the load Varies with speed Varies with power factor Remains constant at all loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Eddy current flow Increased core losses Rise in winding temperature Shorting of coils Eddy current flow Increased core losses Rise in winding temperature Shorting of coils ANSWER DOWNLOAD EXAMIANS APP
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