Synchronous Motors The speed of a synchronous motor can be changed by varying _______ None of the listed here Supply frequency Mechanical load Field excitation None of the listed here Supply frequency Mechanical load Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Speed Torque angle Field excitation Applied stator voltage Speed Torque angle Field excitation Applied stator voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at speed ranging from ______ 3600 to 6000 rpm 1800 to 3600 rpm 150 to 1800 rpm None of the listed here 3600 to 6000 rpm 1800 to 3600 rpm 150 to 1800 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with the load Varies with power factor Varies with speed Remains constant at all loads Varies with the load Varies with power factor Varies with speed Remains constant at all loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Fluctuating loads Power factor corrections Low torque loads Variable speed loads Fluctuating loads Power factor corrections Low torque loads Variable speed loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Has a damper winding Is a doubly fed machine None of the listed here Has no losses Has a damper winding Is a doubly fed machine None of the listed here Has no losses ANSWER DOWNLOAD EXAMIANS APP
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