Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Decrease None of the listed here Remain unchanged Increase Decrease None of the listed here Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be unity zero lagging leading unity zero lagging leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, high output High speed, low output Low speed, high output None of the listed here High speed, high output High speed, low output Low speed, high output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has a higher value of stability limit a higher synchronizing power which makes the machine less sensitive to load variations all of the listed here a small value of inherent regulation a higher value of stability limit a higher synchronizing power which makes the machine less sensitive to load variations all of the listed here a small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will refused ro start Will fail to pull into step Will not come upto speed Will overheat in spots Will refused ro start Will fail to pull into step Will not come upto speed Will overheat in spots ANSWER DOWNLOAD EXAMIANS APP
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