Electrical Machines The induction motor shaft is made of aluminium. mild steel. cast iron. stainless steel. aluminium. mild steel. cast iron. stainless steel. 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. cross-magnetisation. none of above. demagnetisation. cross-magnetization as well as demagnetization. cross-magnetisation. none of above. demagnetisation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Running torque. Rotor current. Line voltage. Slip. Running torque. Rotor current. Line voltage. Slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Series. Cummulative compound. Shunt. Differential compound. Series. Cummulative compound. Shunt. Differential compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will Oscillate around the normal speed. Increase. Reduce. Remain unaltered. Oscillate around the normal speed. Increase. Reduce. Remain unaltered. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Lagging power factor. Leading power factor. Zero power factor. Unity power factor. Lagging power factor. Leading power factor. Zero power factor. Unity power factor. ANSWER DOWNLOAD EXAMIANS APP