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 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 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ No load None of the listed here Half full load Full load No load None of the listed here Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Which of the following motors is non self starting? Synchronous motor Squirrel cage induction motor Wound rotor induction motor Dc series motor Synchronous motor Squirrel cage induction motor Wound rotor induction motor Dc series motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Mechanical load Supply frequency None of the listed here Field excitation Mechanical load Supply frequency None of the listed here Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ Pony motor Variable frequency source Damper winding None of the listed here Pony motor Variable frequency source Damper winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For the same active power consumed, the stator current of a synchronous motor is ______ that of a 3 phase induction motor. None of the listed here More than Less than The same as None of the listed here More than Less than The same as ANSWER DOWNLOAD EXAMIANS APP
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