Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be lagging unity leading zero lagging unity leading zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Fluctuating loads Variable speed loads Low torque loads Power factor corrections Fluctuating loads Variable speed loads Low torque loads Power factor corrections ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ None of the listed here No load Half full load Full load None of the listed here No load Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Supply frequency Mechanical load None of the listed here Field excitation Supply frequency Mechanical load None of the listed here Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Applied stator voltage Speed Torque angle Field excitation Applied stator voltage Speed Torque angle Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux Compulsion due to lenz's law Damper winding in its pole faces Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux Compulsion due to lenz's law Damper winding in its pole faces ANSWER DOWNLOAD EXAMIANS APP
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