Synchronous Motors The size of a synchronous motor decreases with the increase in Speed Horse power rating All of the listed here Flux density Speed Horse power rating All of the listed here Flux density ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated rotor current None of the listed here Less than rated horsepower output More than rated horseppwer output More than rated rotor current None of the listed here Less than rated horsepower output More than rated horseppwer output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ 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 Damper winding in its pole faces Induced emf in rotor field winding by stator flux ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will overheat in spots Will fail to pull into step Will refused ro start Will not come upto speed Will overheat in spots Will fail to pull into step Will refused ro start Will not come upto speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ None of the listed here 16 36 30 None of the listed here 16 36 30 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Variable speed loads Low torque loads Power factor corrections Fluctuating loads Variable speed loads Low torque loads Power factor corrections Fluctuating loads ANSWER DOWNLOAD EXAMIANS APP
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