Electrical Machines Armature reaction effect is more in which of the following methods? None of these armature resistance control field weakening method same in both methods None of these armature resistance control field weakening method same in both methods ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce copper loss. friction and windage loss. hysteresis loss. eddy current loss. copper loss. friction and windage loss. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because air friction will prevent it. rotor torque will not be produced. none of above. induction motor will become synchronous motor. air friction will prevent it. rotor torque will not be produced. none of above. induction motor will become synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of the rotor in a 3 - Φ squirrel cage induction motor reduces noise, parasitic and starting torque, but increase pull out torque. noise and pullout torque, but increase parasitic and starting torque. noise and parasitic torque, but increase starting and pull-out torque. noise, parasitic torque, starting torque and pull out torque. noise, parasitic and starting torque, but increase pull out torque. noise and pullout torque, but increase parasitic and starting torque. noise and parasitic torque, but increase starting and pull-out torque. noise, parasitic torque, starting torque and pull out torque. ANSWER DOWNLOAD EXAMIANS APP
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 In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? any of the above 0 1 0.5 any of the above 0 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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