Synchronous Motors An under excited synchronous motor behaves as_______ A resistor An inductor None of the listed here A capacitor A resistor An inductor None of the listed here A capacitor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the forced vibrations will be maximum when driving A reciprocating air compressor A centrifugal blower A centrifugal pump Any of the listed here A reciprocating air compressor A centrifugal blower A centrifugal pump Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Mid way between N and S poles of stator None of the listed here Coincident with statorbpoles 45° (electrical) behind stator poles Mid way between N and S poles of stator None of the listed here Coincident with statorbpoles 45° (electrical) behind stator poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, low output None of the listed here High speed, high output Low speed, high output High speed, low output None of the listed here High speed, high output Low speed, high output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Field excitation Supply frequency None of the listed here Mechanical load Field excitation Supply frequency None of the listed here Mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Salient pole type Nonsalient pole type None of the listed here Identical to that of a dc motor Salient pole type Nonsalient pole type None of the listed here Identical to that of a dc motor ANSWER DOWNLOAD EXAMIANS APP