Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 6 5 2 0.5 6 5 2 0.5 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 with large air gap has All of the listed here A small value of inherent regulation A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here A small value of inherent regulation A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Phase advancer Mechanical synchronizer Voltage booster Noise generator Phase advancer Mechanical synchronizer Voltage booster Noise generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Over-excited All of these Under-excited Normally excited Over-excited All of these Under-excited Normally excited ANSWER DOWNLOAD EXAMIANS APP
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