Synchronous Motors Synchronous motors are generally used in application requiring _______ Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-up torque pull-out torque pull-in torque None of these pull-up torque pull-out torque pull-in torque None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has all of the listed here a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit all of the listed here a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by induction motor torque in field winding eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in damper winding induction motor torque in field winding eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Variable speed loads Low torque loads Fluctuating loads Power factor corrections Variable speed loads Low torque loads Fluctuating loads Power factor corrections ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are zero or 0.8 leading unity or 0.8 lagging unity or 0.8 leading unity or zero zero or 0.8 leading unity or 0.8 lagging unity or 0.8 leading unity or zero ANSWER DOWNLOAD EXAMIANS APP
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