Synchronous Motors Slip rings in a synchronous motor carry No current Direct current All of the listed here Alternating current No current Direct current All of the listed here Alternating current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be lagging unity zero leading lagging unity zero leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Sudden application of heavy loads Frequent stopping Variable speed Infrequent starting Sudden application of heavy loads Frequent stopping Variable speed Infrequent starting ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Eddy current flow Shorting of coils Rise in winding temperature Increased core losses Eddy current flow Shorting of coils Rise in winding temperature Increased core losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Normally excited Under excited Over excited None of the listed here 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 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 Varies with the load ANSWER DOWNLOAD EXAMIANS APP
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