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 A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine armature winding has thick leads whereas field winding has thin leads both the windings have thick leads both the windings have thin leads armature winding has thin leads whereas field winding has thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thick leads both the windings have thin leads armature winding has thin leads whereas field winding has thick leads ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Series. Differntical compound. Shunt. Cummulative compound. Series. Differntical compound. Shunt. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? MMf method. Synchronous impedance method. All of these ZPF method. MMf method. Synchronous impedance method. All of these ZPF method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between short circuit current and armature current no load voltage and armature current short circuit current and field current no load voltage and field current short circuit current and armature current no load voltage and armature current short circuit current and field current no load voltage and field current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 205 V. 212 V. 201.02 V. 210 V. 205 V. 212 V. 201.02 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP