Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 6 to 9 0.5 5 to 10 1.25 to 3.5 6 to 9 0.5 5 to 10 1.25 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Field excitation Mechanical load Supply frequency None of the listed here Field excitation Mechanical load Supply frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Zero Infinity Two One Zero Infinity Two One ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that None of these its power factor may be varied at will its speed may be controlled more easily its speed is independent of supply frequency None of these its power factor may be varied at will its speed may be controlled more easily its speed is independent of supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ Full load No load None of the listed here Half full load Full load No load None of the listed here Half full load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one minute None of these one hour one second one minute None of these one hour one second ANSWER DOWNLOAD EXAMIANS APP
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