Synchronous Motors The rotor of a synchronous motor is None of the listed here Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here Salient pole type Identical to that of a dc motor Nonsalient pole type ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By changing the supply frequency By changing the applied voltage By changing the load By interchanging any two phases By changing the supply frequency By changing the applied voltage By changing the load By interchanging any two phases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Supply frequency Mechanical load Field excitation None of the listed here Supply frequency Mechanical load Field excitation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be unity lagging leading zero unity lagging leading zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Increased core losses Eddy current flow Rise in winding temperature Shorting of coils Increased core losses Eddy current flow Rise in winding temperature Shorting of coils ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Under excited Over excited Normally excited None of the listed here Under excited Over excited Normally excited ANSWER DOWNLOAD EXAMIANS APP
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