Electrical Machines A lap wound DC machine has 400 conductors and 8 poles. The voltage induced per conductor is 2 volts. The machine generates a voltage of 100 V. 800 V. 200 V. 400 V. 100 V. 800 V. 200 V. 400 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Both Compensating and Commutating pole winding. Auxiliary winding. Commutating pole winding. Compensating winding. Both Compensating and Commutating pole winding. Auxiliary winding. Commutating pole winding. Compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Air core transformer as compared to iron core transformer, has less magnetic core loss. no magnetic core loss. more copper loss. more magnetic core loss. less magnetic core loss. no magnetic core loss. more copper loss. more magnetic core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for series motors. compound motors. shunt motors. All of these series motors. compound motors. shunt motors. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Aame in both alternators. Turbo alternators. None of these Hydro alternators. Aame in both alternators. Turbo alternators. None of these Hydro alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 ,V 15 , kW 100 rpm shunt motor with armature resistance of 0.25 , W has a rated line current of 68 A and a rated field current of 2.2 A. The change in field flux required to obtain a speed of 1600 rpm while drawing a line current of 52.8 A and a field current of 1.8 A is 36.36% increase 36.36% decrease 36.36% increase 18.18% increase 36.36% increase 36.36% decrease 36.36% increase 18.18% increase ANSWER DOWNLOAD EXAMIANS APP
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