Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will overheat in spots Will not come upto speed Will fail to pull into step Will refused ro start Will overheat in spots Will not come upto speed Will fail to pull into step Will refused ro start ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with the load Remains constant at all loads Varies with power factor Varies with speed Varies with the load Remains constant at all loads Varies with power factor Varies with speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over excited Under loaded Over loaded Under excited Over excited Under loaded Over loaded Under excited 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 maximum value of coupling angle direction of rotation supply voltage rotor excitation maximum value of coupling angle direction of rotation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 0.01 0.005 zero 1 0.01 0.005 zero 1 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ A resistor None of the listed here An inductor A capacitor A resistor None of the listed here An inductor A capacitor ANSWER DOWNLOAD EXAMIANS APP
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