Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, Current to field winding Polarity of rotor poles Supply phase sequence None of the listed here Current to field winding Polarity of rotor poles Supply phase sequence 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 Less than rated horsepower output None of the listed here More than rated horseppwer output More than rated rotor current Less than rated horsepower output None of the listed here More than rated horseppwer output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ All of these Over-excited Normally excited Under-excited All of these Over-excited Normally excited Under-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Higher excitation only None of the listed here Low excitation only Both higher and low excitation Higher excitation only None of the listed here Low excitation only Both higher and low excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor decreases with the increase in Speed All of the listed here Horse power rating Flux density Speed All of the listed here Horse power rating Flux density ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on None of the listed here Rotor speed Flux density Rotor excitation None of the listed here Rotor speed Flux density Rotor excitation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS