Electrical Machines Iron losses in a DC machine are independent of variation in speed. voltage. speed and voltage. load. speed. voltage. speed and voltage. load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of capacitor start induction motor. synchronous motor. repulsion start induction motor. transformer with secondary short circuited. capacitor start induction motor. synchronous motor. repulsion start induction motor. transformer with secondary short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Can not be determined. Mechanical power. Induced emf. Armature current. Can not be determined. Mechanical power. Induced emf. Armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on overload. the generator runs on full load. the generator runs on designed speed. there is no load on the generator. the generator runs on overload. the generator runs on full load. the generator runs on designed speed. there is no load on the generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed remains constant. reduce slightly. increased slightly. increase proportional. remains constant. reduce slightly. increased slightly. increase proportional. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a DC motor. switched reluctance motor. induction motor. variable reluctance motor. DC motor. switched reluctance motor. induction motor. variable reluctance motor. ANSWER DOWNLOAD EXAMIANS APP