Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Invesely proportional to Directly proportional to square of Directly proportional to Independent of Invesely proportional to Directly proportional to square of Directly proportional to Independent of ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic sum of Eb and V vector difference of Eh and V arithmetic difference of Eb and V vector sum of Eb and V arithmetic sum of Eb and V vector difference of Eh and V arithmetic difference of Eb and V vector sum of Eb and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is twice less more equal twice less more equal ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the forced vibrations will be maximum when driving A reciprocating air compressor A centrifugal blower Any of the listed here A centrifugal pump A reciprocating air compressor A centrifugal blower Any of the listed here A centrifugal pump 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 Compulsion due to lenz's law Damper winding in its pole faces Induced emf in rotor field winding by stator flux Magnetic locking between stator and rotor poles Compulsion due to lenz's law Damper winding in its pole faces ANSWER DOWNLOAD EXAMIANS APP
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