Synchronous Motors Change of D.C. excitation of a synchronous motor changes Any of the above Applied voltage of the motor Motor speed Power factor of power drawn by the motor Any of the above Applied voltage of the motor Motor speed Power factor of power drawn by the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always Positive Zero 0.5% 1% Positive Zero 0.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Angle of retardation Power factor angle Torque angle Synchronising angle Angle of retardation Power factor angle Torque angle Synchronising angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be equal to the supply voltage None of these more than the supply voltage less than the supply voltage equal to the supply voltage None of these more than the supply voltage less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Normally excited Under excited Over excited None of the listed here Normally excited Under excited Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have Three slip rings No slip rings Two slip rings One slip rings Three slip rings No slip rings Two slip rings One slip rings ANSWER DOWNLOAD EXAMIANS APP
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