Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at lagging power factor. leading power factor. any of the above. unity power factor. lagging power factor. leading power factor. any of the above. unity power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator sparking between brushes and commutator surface may be due to any of the above. under commutation. over commutation. too rapid reversal of current. any of the above. under commutation. over commutation. too rapid reversal of current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic neutral plane. Magnetic field neutral pole. Magnetic field neutral plane. Magnetic neutral pole. Magnetic neutral plane. Magnetic field neutral pole. Magnetic field neutral plane. Magnetic neutral pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load current in a transformer lags the applied voltage by 0°. 90°. about 75°. about 115°. 0°. 90°. about 75°. about 115°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a both are correct. none of above are correct. convection machine. conduction machine. both are correct. none of above are correct. convection machine. conduction machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to None of these two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. auto transformer. None of these two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. auto transformer. ANSWER DOWNLOAD EXAMIANS APP
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