Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be more than the supply voltage None of these less than the supply voltage equal to the supply voltage more than the supply voltage None of these less than the supply voltage equal to the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the rotor copper loss are met by ______ Supply lines Motor input Armature input Dc source Supply lines Motor input Armature input Dc source ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Increases hunting of the motor Reduces windage losses Improve pf of the motor Serves to start the motor Increases hunting of the motor Reduces windage losses Improve pf of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Which of the following motors is non self starting? Wound rotor induction motor Dc series motor Synchronous motor Squirrel cage induction motor Wound rotor induction motor Dc series motor Synchronous motor Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ Less than rated horsepower output More than rated horseppwer output None of the listed here More than rated rotor current Less than rated horsepower output More than rated horseppwer output None of the listed here More than rated rotor current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ Variable frequency source Pony motor None of the listed here Damper winding Variable frequency source Pony motor None of the listed here Damper winding ANSWER DOWNLOAD EXAMIANS APP
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