Electrical Machines Slot wedges in a dc machine is made up of cast iron. fibre. mild steel. silicon steel. cast iron. fibre. mild steel. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test of 3-phase induction motor gives which of the following? variable loss None of these both A and B constant loss variable loss None of these both A and B constant loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will any of the above. increase. decrease. remain constant. any of the above. increase. decrease. remain constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon clearance between tips of the adjacent pole shoes. size of air gap. shape of the pole shoe. all of above. clearance between tips of the adjacent pole shoes. size of air gap. shape of the pole shoe. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on temperature difference. air velocity. color of the paint. surface area. temperature difference. air velocity. color of the paint. surface area. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Remain unchanged None of above. Increases. Decreases. Remain unchanged None of above. Increases. Decreases. ANSWER DOWNLOAD EXAMIANS APP