Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine B any of the two machines machine A none of these machine B any of the two machines machine A none of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Series motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. Shunt motor with interpoles. Series motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. Shunt motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Doubled. Eight times. Four times. Remains same. Doubled. Eight times. Four times. Remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Run at lower speed. Not run. Run at normal speed. Burn. Run at lower speed. Not run. Run at normal speed. Burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 201.02 V. 205 V. 212 V. 210 V. 201.02 V. 205 V. 212 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor when the length of the air gap is increased, the magnetizing current of the motor increases while the short circuit current __________________. kept constant to certain value. decreased. remains unchanged. increased. kept constant to certain value. decreased. remains unchanged. increased. ANSWER DOWNLOAD EXAMIANS APP
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