Synchronous Motors A three phase synchronous motor will have Three slip rings Two slip rings No slip rings One slip rings Three slip rings Two slip rings No slip rings One slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Rotor excitation Rotor speed None of the listed here Flux density Rotor excitation Rotor speed None of the listed here Flux density 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 Compulsion due to lenz's law Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux Damper winding in its pole faces Compulsion due to lenz's law Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at None of the listed here More than synchronous speed Less than synchronous speed The synchronous speed None of the listed here More than synchronous speed Less than synchronous speed The synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By changing the supply frequency By interchanging any two phases By changing the applied voltage By changing the load By changing the supply frequency By interchanging any two phases By changing the applied voltage By changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 2 percent Zero 10 percent 4 percent 2 percent Zero 10 percent 4 percent ANSWER DOWNLOAD EXAMIANS APP
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