Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is lagging zero leading unity lagging zero leading unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 2000. 1000. 500. 0. 2000. 1000. 500. 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? sine wave saddle shape peaky in nature flat tapped or trapezoidal sine wave saddle shape peaky in nature flat tapped or trapezoidal 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. Remain unaltered. Reduce. Increase. Oscillate around the normal speed. Remain unaltered. Reduce. Increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following relation is correct? Xd < Xq. None of these Xd > Xq. Xd = Xq. Xd < Xq. None of these Xd > Xq. Xd = Xq. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to 1/V² supply voltage V V² 1/V 1/V² supply voltage V V² 1/V ANSWER DOWNLOAD EXAMIANS APP
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