Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Infinity One Zero Two Infinity One Zero Two 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 Most of the synchronous motors are _______ power factor metors. 0.5 leading 0.8 lagging 0.8 leading Unity 0.5 leading 0.8 lagging 0.8 leading Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the vector difference of Eh and V vector sum of Eb and V arithmetic difference of Eb and V arithmetic sum of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic difference of Eb and V arithmetic sum of Eb and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is over-loaded supplied with unbalanced voltage under-loaded None of these over-loaded supplied with unbalanced voltage under-loaded None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is An over excited synchronous motor driving mechanical load An ordinary static capacitor bank None of the listed here An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load An ordinary static capacitor bank None of the listed here An over excited synchronous motor running without mechanical load ANSWER DOWNLOAD EXAMIANS APP
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