Synchronous Motors The back e.m.f. of a synchronous motor depends on speed All of these load load angle speed All of these load load angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Normally excited All of these Over-excited Under-excited Normally excited All of these Over-excited Under-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.8 leading Unity 0.5 leading 0.8 lagging 0.8 leading Unity 0.5 leading 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor decreases with the increase in Flux density All of the listed here Speed Horse power rating Flux density All of the listed here Speed Horse power rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by armature input supply lines c. source motor input armature input supply lines c. source motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except rotor excitation direction of rotation maximum value of coupling angle supply voltage rotor excitation direction of rotation maximum value of coupling angle supply voltage ANSWER DOWNLOAD EXAMIANS APP