Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ None of the listed here Low speed, high output High speed, high output High speed, low output None of the listed here Low speed, high output High speed, high output High speed, low output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Under-excited All of these Over-excited Normally excited Under-excited All of these Over-excited Normally excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ None of the listed here Variable frequency source Damper winding Pony motor None of the listed here Variable frequency source Damper winding Pony motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ An inductor A capacitor None of the listed here A resistor An inductor A capacitor None of the listed here A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Speed of the rotor Both the speed and rotor flux Load on the motor Dc excitation only Speed of the rotor Both the speed and rotor flux Load on the motor Dc excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Increased core losses Rise in winding temperature Eddy current flow Shorting of coils Increased core losses Rise in winding temperature Eddy current flow Shorting of coils ANSWER DOWNLOAD EXAMIANS APP
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