Electrical Machines Transformer cooling and insulating oil must be of low viscosity. low resistivity. low BDV. high viscosity. low viscosity. low resistivity. low BDV. high viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is repulsion motor. universal motor. reluctance motor. AC series motor. repulsion motor. universal motor. reluctance motor. AC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is unity R = S.X zero 0.707 lagging 0.5 lagging unity R = S.X zero 0.707 lagging 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Will results in open circuit. Fail to start. Nothing will happen. Will results in short circuit. Will results in open circuit. Fail to start. Nothing will happen. Will results in short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Series. Cummulative compound. Shunt. Differently compounded. Series. Cummulative compound. Shunt. Differently compounded. ANSWER DOWNLOAD EXAMIANS APP
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