Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is None of these over-loaded supplied with unbalanced voltage under-loaded None of these over-loaded supplied with unbalanced voltage under-loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-in torque pull-up torque None of these pull-out torque pull-in torque pull-up torque None of these pull-out torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with power factor Remains constant at all loads Varies with the load Varies with speed Varies with power factor Remains constant at all loads Varies with the load Varies with speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ An inductor None of the listed here A resistor A capacitor An inductor None of the listed here A resistor A capacitor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is zero 0.005 0.01 1 zero 0.005 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has All of the listed here A higher value of stability limit A small value of inherent regulation A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here A higher value of stability limit A small value of inherent regulation A higher synchronizing power which makes the machine less sensitive to load variations ANSWER DOWNLOAD EXAMIANS APP
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