Synchronous Motors A synchronous motor can operate at Leading power factor Lagging, leading and unity power factors Unity power factor only Lagging power factor only Leading power factor Lagging, leading and unity power factors Unity power factor only Lagging power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Nonsalient pole type Identical to that of a dc motor Salient pole type None of the listed here Nonsalient pole type Identical to that of a dc motor Salient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with power factor Varies with the load Varies with speed Remains constant at all loads Varies with power factor Varies with the load Varies with speed Remains constant at all loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable load Variable frequency Variable supply frequency Windage friction Variable load Variable frequency Variable supply frequency Windage friction ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except supply voltage rotor excitation direction of rotation maximum value of coupling angle supply voltage rotor excitation direction of rotation maximum value of coupling angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is supplied with unbalanced voltage under-loaded None of these over-loaded supplied with unbalanced voltage under-loaded None of these over-loaded ANSWER DOWNLOAD EXAMIANS APP
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