Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Become zero Is increased too much Is decreased too much Remains unchanged Become zero Is increased too much Is decreased too much Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Two Zero One Infinity Two Zero One Infinity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ An inductor A capacitor None of the listed here A resistor An inductor A capacitor None of the listed here A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to Independent of Invesely proportional to Directly proportional to square of Directly proportional to Independent of Invesely proportional to Directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor leading 0.707 power factor lagging zero power factor leading unity power factor 0.707 power factor leading 0.707 power factor lagging zero power factor leading unity power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will refused ro start Will not come upto speed Will fail to pull into step Will overheat in spots Will refused ro start Will not come upto speed Will fail to pull into step Will overheat in spots ANSWER DOWNLOAD EXAMIANS APP