Synchronous Motors A synchronous motor develop maximum power when load angle is 120° 60° 90° 45° 120° 60° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Low torque loads Fluctuating loads Power factor corrections Variable speed loads Low torque loads Fluctuating loads Power factor corrections Variable speed loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 leading 0.8 lagging None of the listed here Unity 0.8 leading 0.8 lagging None of the listed here Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Change supply frequency Reduce dc field excitation to zero Interchange any two stator lines None of the listed here Change supply frequency Reduce dc field excitation to zero Interchange any two stator lines None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Damper winding in its pole faces Induced emf in rotor field winding by stator flux Compulsion due to lenz's law Magnetic locking between stator and rotor poles Damper winding in its pole faces Induced emf in rotor field winding by stator flux Compulsion due to lenz's law Magnetic locking between stator and rotor poles 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
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