Electrical Machines Regenerative braking is not found in which motor? DC shunt. Induction motor. DC series. DC compound. DC shunt. Induction motor. DC series. DC compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because induction motor will become synchronous motor. none of above. rotor torque will not be produced. air friction will prevent it. induction motor will become synchronous motor. none of above. rotor torque will not be produced. air friction will prevent it. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 16/9. 3/4. 9/16. 4/3. 16/9. 3/4. 9/16. 4/3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Shaded pole Resistance split phase Capacitor start Capacitor run Shaded pole Resistance split phase Capacitor start Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is zero maximum All of these minimum zero maximum All of these minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is employed in DC machine of low current and low voltage rating. high current and low voltage rating. low current and high voltage rating. high current and low voltage rating. low current and low voltage rating. high current and low voltage rating. low current and high voltage rating. high current and low voltage rating. ANSWER DOWNLOAD EXAMIANS APP
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