Synchronous Motors A synchronous motor runs at speed ranging from ______ None of the listed here 150 to 1800 rpm 1800 to 3600 rpm 3600 to 6000 rpm None of the listed here 150 to 1800 rpm 1800 to 3600 rpm 3600 to 6000 rpm ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Infrequent starting Variable speed Sudden application of heavy loads Frequent stopping Infrequent starting Variable speed Sudden application of heavy loads Frequent stopping ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Induced emf in rotor field winding by stator flux Magnetic locking between stator and rotor poles Damper winding in its pole faces Compulsion due to lenz's law Induced emf in rotor field winding by stator flux Magnetic locking between stator and rotor poles Damper winding in its pole faces Compulsion due to lenz's law ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Shorting of coils Increased core losses Eddy current flow Rise in winding temperature Shorting of coils Increased core losses Eddy current flow Rise in winding temperature ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ Full load No load None of the listed here Half full load Full load No load None of the listed here Half full load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with speed Varies with the load Varies with power factor Remains constant at all loads Varies with speed Varies with the load Varies with power factor Remains constant at all loads ANSWER DOWNLOAD EXAMIANS APP
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