Synchronous Motors Power factor of a synchronous motor is unity when The armature current is minimum The armature current is zero The armature current is maximum None of the listed here The armature current is minimum The armature current is zero The armature current is maximum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by All of the listed here Pony motor Dc compound motor Provinding damper winding All of the listed here Pony motor Dc compound motor Provinding damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load load angle All of these speed load load angle All of these speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on None of the listed here Flux density Rotor excitation Rotor speed None of the listed here Flux density Rotor excitation Rotor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at speed ranging from ______ 150 to 1800 rpm 1800 to 3600 rpm 3600 to 6000 rpm None of the listed here 150 to 1800 rpm 1800 to 3600 rpm 3600 to 6000 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Over-excited Normally excited All of these Under-excited Over-excited Normally excited All of these Under-excited ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS