Electrical Machines A DC generator without commutator is a DC motor AC generator induction motor DC generator DC motor AC generator induction motor DC generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine the armature mmf is rotating with respect to field poles. stationary with respect to field poles. rotating with respect to field poles as well as armature. stationary with respect to armature. rotating with respect to field poles. stationary with respect to field poles. rotating with respect to field poles as well as armature. stationary with respect to armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in transformer insulating oil. paper insulation in transformers. winding conductors and steel structures of transformer. steel core. transformer insulating oil. paper insulation in transformers. winding conductors and steel structures of transformer. steel core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? 3-phase synchronous generator reluctance motor 3-phase synchronous motor hysteresis motor 3-phase synchronous generator reluctance motor 3-phase synchronous motor hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer the magnetic coupling between the primary and secondary winding can be increased by using transformer oil of better quality. increasing the number of turns. using soft material for winding. using the magnetic core of low reluctance. using transformer oil of better quality. increasing the number of turns. using soft material for winding. using the magnetic core of low reluctance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake None of these both 1 and 2 non reversing drive reversing drive None of these both 1 and 2 non reversing drive reversing drive ANSWER DOWNLOAD EXAMIANS APP