Electrical Machines For pure resistive load what is the armature reaction? demagnetization magnetization cross magnetization All of these demagnetization magnetization cross magnetization All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Fibre. Silicon steel. Cast iron. Mild steel. Fibre. Silicon steel. Cast iron. Mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor in split phase induction motor is used to improve the starting torque. start the motor. improve the power factor. reduce the harmonics. improve the starting torque. start the motor. improve the power factor. reduce the harmonics. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For successful parallel operation of two single phase transformers, the most essential condition is that their polarities are properly connected KVA ratings are equal turn- ratios are exactly equal percentage impedances are equal polarities are properly connected KVA ratings are equal turn- ratios are exactly equal percentage impedances are equal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? stationary rotates same direction rotates opposite direction None of these stationary rotates same direction rotates opposite direction None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has zero starting torque. low starting torque. starting torque equal to full-load torque. high starting torque. zero starting torque. low starting torque. starting torque equal to full-load torque. high starting torque. ANSWER DOWNLOAD EXAMIANS APP