Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be unity zero leading lagging unity zero leading lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles a rotary converter an alternator an induction motor a series motor a rotary converter an alternator an induction motor a series motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Higher excitation only Low excitation only None of the listed here Both higher and low excitation Higher excitation only Low excitation only None of the listed here Both higher and low excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Dc excitation only Load on the motor Speed of the rotor Both the speed and rotor flux Dc excitation only Load on the motor Speed of the rotor Both the speed and rotor flux ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ 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 Less than rated horsepower output ANSWER DOWNLOAD EXAMIANS APP
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