Synchronous Motors An over excited synchronous motor behaves as _____ None of the listed here An inductor A resistor A capacitor None of the listed here An inductor A resistor A capacitor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be equal to the supply voltage less than the supply voltage more than the supply voltage None of these equal to the supply voltage less than the supply voltage more than the supply voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is equal less twice more equal less twice more ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Load on the motor Speed of the rotor Both the speed and rotor flux Dc excitation only Load on the motor Speed of the rotor Both the speed and rotor flux Dc excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will not come upto speed Will overheat in spots Will fail to pull into step Will refused ro start Will not come upto speed Will overheat in spots Will fail to pull into step Will refused ro start ANSWER DOWNLOAD EXAMIANS APP
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