Electrical Machines CRGO steel is used in the core of transformer to reduce eddy current loss. ohmic loss. hysteresis loss. both eddy current and hysteresis loss. eddy current loss. ohmic loss. hysteresis loss. both eddy current and hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 2. 6. 4. 8. 2. 6. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is zero unity 0.707 lagging R = S.X 0.5 lagging zero unity 0.707 lagging R = S.X 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed increased slightly. increase proportional. reduce slightly. remains constant. increased slightly. increase proportional. reduce slightly. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in transformer insulating oil. paper insulation in transformers. steel core. winding conductors and steel structures of transformer. transformer insulating oil. paper insulation in transformers. steel core. winding conductors and steel structures of transformer. ANSWER DOWNLOAD EXAMIANS APP