Synchronous Motors The rotor copper losses, in a synchronous motor, are met by supply lines armature input motor input c. source supply lines armature input motor input c. source ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One hour One second None of the listed here One minute One hour One second None of the listed here One minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ None of the listed here Mechanical load Supply frequency Field excitation None of the listed here Mechanical load Supply frequency Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the vector sum of Eb and V arithmetic difference of Eb and V arithmetic sum of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic difference of Eb and V arithmetic sum of Eb and V vector difference of Eh and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Nonsalient pole type Identical to that of a dc motor None of the listed here Salient pole type Nonsalient pole type Identical to that of a dc motor None of the listed here Salient pole type ANSWER DOWNLOAD EXAMIANS APP
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