Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Commutator. Yoke. Armature. Brush. Commutator. Yoke. Armature. Brush. 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 thin leads both the windings have thick 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 thin leads both the windings have thick leads armature winding has thin leads whereas field winding has thick leads ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly carbon. cast iron. copper. mica. carbon. cast iron. copper. mica. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Short circuiting is caused in the armature winding due to grounding of two or more turns of the same coil. any of above. failure of insulation between two commutator bars. failure of insulation between two turns of coil. grounding of two or more turns of the same coil. any of above. failure of insulation between two commutator bars. failure of insulation between two turns of coil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam may or may not be exactly equal to people pitch. must be exactly equal to people pitch. can never be equal to pole pitch. none of above. may or may not be exactly equal to people pitch. must be exactly equal to people pitch. can never be equal to pole pitch. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as None of these. A capacitor. A resistor. an inductor. None of these. A capacitor. A resistor. an inductor. ANSWER DOWNLOAD EXAMIANS APP