Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, Supply phase sequence Current to field winding Polarity of rotor poles None of the listed here Supply phase sequence Current to field winding Polarity of rotor poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated rotor current None of the listed here More than rated horseppwer output Less than rated horsepower output More than rated rotor current None of the listed here More than rated horseppwer output Less than rated horsepower output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for None of the listed here Both higher and low excitation Low excitation only Higher excitation only None of the listed here Both higher and low excitation Low excitation only Higher excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the forced vibrations will be maximum when driving Any of the listed here A centrifugal pump A centrifugal blower A reciprocating air compressor Any of the listed here A centrifugal pump A centrifugal blower A reciprocating air compressor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle All of these load speed load angle All of these load speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ Half full load Full load None of the listed here No load Half full load Full load None of the listed here No load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS