Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit A small value of inherent regulation A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here A higher value of stability limit A small value of inherent regulation A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 lagging Unity 0.8 leading None of the listed here 0.8 lagging Unity 0.8 leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry Direct current Alternating current All of the listed here No current Direct current Alternating current All of the listed here No current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Is a doubly fed machine Has no losses None of the listed here Has a damper winding Is a doubly fed machine Has no losses None of the listed here Has a damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor None of the listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Supply voltage frequency changes 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 ANSWER DOWNLOAD EXAMIANS APP