Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its power factor may be varied at will None of these its speed is independent of supply frequency its speed may be controlled more easily its power factor may be varied at will None of these its speed is independent of supply frequency its speed may be controlled more easily ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good speed regulation Lower stability limit Good voltage regulation High stability limit Good speed regulation Lower stability limit Good voltage regulation High stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at normal load with zero excitation no-load and under-excited fields normal load with minimum excitation no-load and greatly over-excited fields normal load with zero excitation no-load and under-excited fields normal load with minimum excitation no-load and greatly over-excited fields ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. None of the listed here Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kW rating kVA rating kVAR rating None of the listed here kW rating kVA rating kVAR rating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is None of these under-loaded over-loaded supplied with unbalanced voltage None of these under-loaded over-loaded supplied with unbalanced voltage ANSWER DOWNLOAD EXAMIANS APP
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