Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by wooden insulation. rubber insulation. paper insulation. cotton insulation. wooden insulation. rubber insulation. paper insulation. cotton insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 570 A. 440 A. 250 A. 340 A. 570 A. 440 A. 250 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage, frequency and load supply voltage supply voltage and load supply voltage and frequency supply voltage, frequency and load supply voltage supply voltage and load supply voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. shunt field none of above armature circuit both A and B shunt field none of above armature circuit both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator beyond critical resistance will generate maximum power. maximum voltage. no voltage. maximum current. maximum power. maximum voltage. no voltage. maximum current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. Ward Leonard control. none of above. rheostatic control. any of above method. Ward Leonard control. none of above. rheostatic control. any of above method. ANSWER DOWNLOAD EXAMIANS APP