Synchronous Motors A synchronous motor will always stop when Supply voltage frequency changes Excitation winding gets disconnected Supply voltage fluctuates Load in motor varies Supply voltage frequency changes Excitation winding gets disconnected Supply voltage fluctuates Load in motor varies ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ An inductor A resistor A capacitor None of the listed here An inductor A resistor A capacitor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Is a doubly fed machine Has no losses None of the listed here Has a damper winding Is a doubly fed machine Has no losses None of the listed here Has a damper winding 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 Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Eddy current flow Shorting of coils Increased core losses Rise in winding temperature Eddy current flow Shorting of coils Increased core losses Rise in winding temperature ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 45° 120° 90° 60° 45° 120° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
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