Synchronous Motors The speed regulation of a synchronous motor is always Zero 0.5% 1% Positive Zero 0.5% 1% Positive ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be very high the stator current will be very small the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very high the stator current will be very small the stator current will be zero the back e.m.f. will be more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc shunt generator Synchronous motor Dc compound generator Dc series generator Dc shunt generator Synchronous motor Dc compound generator Dc series generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The efficiency of a properly designed synchronous motor will usually fall in range 85 to 95% 60 to 70% 75 to 80% 99 to 99.5% 85 to 95% 60 to 70% 75 to 80% 99 to 99.5% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle All of these speed load load angle All of these speed load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have Three slip rings One slip rings Two slip rings No slip rings Three slip rings One slip rings Two slip rings No slip rings ANSWER DOWNLOAD EXAMIANS APP