Electrical Machines The principal of starting of 3 - Φ IM is similar to capacitor run IM. synchronous motor. repulsion motor type starting. transformer with short-circuited secondary. capacitor run IM. synchronous motor. repulsion motor type starting. transformer with short-circuited secondary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Direction of rotation cannot be changed. Rotation can be changed by reversing main winding terminals. Rotation can be changed by interchanging supply terminals. None of these. Direction of rotation cannot be changed. Rotation can be changed by reversing main winding terminals. Rotation can be changed by interchanging supply terminals. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 50% 66.3% 57.7% 33.3% 50% 66.3% 57.7% 33.3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? Both option B and C. To serve the economical aspects. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. Both option B and C. To serve the economical aspects. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed increase proportional. increased slightly. remains constant. reduce slightly. increase proportional. increased slightly. remains constant. reduce slightly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Cummulative compound. Series. Shunt. Differentical compound. Cummulative compound. Series. Shunt. Differentical compound. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS