Electrical Machines The current drawn by a DC motor at the time of starting is Normal. Very low. Zero. Very high. Normal. Very low. Zero. Very high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor used in Lathe machine? D.C. cumulative compound motor. D.C . series motor. None of these D.C. shunt motor. D.C. cumulative compound motor. D.C . series motor. None of these D.C. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotation of 5th harmonic component in the stator of an induction motor is (1 / 5) times the synchronous speed. 0.5 times the synchronous speed. (1 / 15) times the synchronous speed. 5 times the synchronous speed. (1 / 5) times the synchronous speed. 0.5 times the synchronous speed. (1 / 15) times the synchronous speed. 5 times the synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? All of these. Applied voltage. Armature current. Field flux. All of these. Applied voltage. Armature current. Field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. 234.76 N-m. 133.22 N-m 266.20 N-m. cant be determined. 234.76 N-m. 133.22 N-m 266.20 N-m. cant be determined. ANSWER DOWNLOAD EXAMIANS APP
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