Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One minute One second One hour None of the listed here One minute One second One hour None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on speed load load angle All of these speed load load angle All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be None of these less than the supply voltage more than the supply voltage equal to the supply voltage None of these less than the supply voltage more than the supply voltage equal to the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good voltage regulation High stability limit Good speed regulation Lower stability limit Good voltage regulation High stability limit Good speed regulation Lower stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Under-excited Normally excited Over-excited All of these Under-excited Normally excited Over-excited All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by Pony motor Provinding damper winding All of the listed here Dc compound motor Pony motor Provinding damper winding All of the listed here Dc compound motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS