Synchronous Motors The speed regulation of a synchronous motor is always Positive 0.5% Zero 1% Positive 0.5% Zero 1% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Interchange any two stator lines None of the listed here Change supply frequency Reduce dc field excitation to zero Interchange any two stator lines None of the listed here Change supply frequency Reduce dc field excitation to zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Windage friction Variable frequency Variable load Variable supply frequency Windage friction Variable frequency Variable load Variable supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to square of Directly proportional to Independent of Invesely proportional to Directly proportional to square of Directly proportional to Independent of Invesely proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when 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 The armature current is minimum The armature current is zero The armature current is maximum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at normal load with zero excitation normal load with minimum excitation no-load and under-excited fields no-load and greatly over-excited fields normal load with zero excitation normal load with minimum excitation no-load and under-excited fields no-load and greatly over-excited fields ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS