Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One hour One minute One second None of the listed here One hour One minute One second None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by using brakes changing frequency changing the supply voltage changing the load using brakes changing frequency changing the supply voltage changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.5 leading 0.8 leading 0.8 lagging Unity 0.5 leading 0.8 leading 0.8 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging power factor only Lagging, leading and unity power factors Leading power factor Unity power factor only Lagging power factor only Lagging, leading and unity power factors Leading power factor Unity power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Power factor corrections Fluctuating loads Variable speed loads Low torque loads Power factor corrections Fluctuating loads Variable speed loads Low torque loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Lower stability limit Good speed regulation Good voltage regulation High stability limit Lower stability limit Good speed regulation Good voltage regulation High stability limit ANSWER DOWNLOAD EXAMIANS APP
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