Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is None of these over-loaded under-loaded supplied with unbalanced voltage None of these over-loaded under-loaded supplied with unbalanced voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 60° 120° 45° 90° 60° 120° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 2 percent 10 percent Zero 4 percent 2 percent 10 percent Zero 4 percent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ None of the listed here Low speed, high output High speed, high output High speed, low output None of the listed here Low speed, high output High speed, high output High speed, low output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be None of these less than the supply voltage equal to the supply voltage more than the supply voltage None of these less than the supply voltage equal to the supply voltage more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Bearing friction loss Core loss Windage loss Copper loss Bearing friction loss Core loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
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