Electrical Machines In a 3 - φ induction motor running at full load which of these parameters is stationary with respect to the stator mmf wave? Rotor mmf wave. Rotor winding. Both rotor and stator winding. Stator winding. Rotor mmf wave. Rotor winding. Both rotor and stator winding. Stator winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two dc machines A and B, using the same conductor material, have armature circuit resistances of 0.4 Ω and 1.2 Ω respectively. Of the two machines, A is bigger than B for the same voltage rating A is bigger than B for the same current rating both are of the same size for the same current rating B is bigger than A for the same current rating A is bigger than B for the same voltage rating A is bigger than B for the same current rating both are of the same size for the same current rating B is bigger than A for the same current rating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque commutation generation of voltage electromechanical energy conversion development of torque commutation generation of voltage electromechanical energy conversion ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is R = S.X unity 0.707 lagging zero 0.5 lagging R = S.X unity 0.707 lagging zero 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. none of these. inversely. has no relation. directly. none of these. inversely. has no relation. directly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motor have which of the following application? Traction. Domestic pump. Lift. Food mixer. Traction. Domestic pump. Lift. Food mixer. ANSWER DOWNLOAD EXAMIANS APP