Electrical Machines Direction of rotation of DC motor is reversed by Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Synchronous speed. Core loss component. Rotor speed. Shaft torque. Synchronous speed. Core loss component. Rotor speed. Shaft torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Equalizer rings are used in which of the followings? None of these both 1 and 2 lap winding wave winding None of these both 1 and 2 lap winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in 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. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of IM the torque is directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of hysteresis loss total iron losses copper loss eddy current loss hysteresis loss total iron losses copper loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
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