Electrical Machines The interpoles in dc machines have a tapering shape in order to economise on the material required for interpoles and their windings increase the acceleration of commutation reduce the saturation in the interpole reduce the overall weight economise on the material required for interpoles and their windings increase the acceleration of commutation reduce the saturation in the interpole reduce the overall weight ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field system of an alternator is usually excited 110 / 220 V AC. 250 / 250 V DC. 3 - Φ, 50 Hz and 400 V. 230 V AC. 110 / 220 V AC. 250 / 250 V DC. 3 - Φ, 50 Hz and 400 V. 230 V AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be any of these. flexible. stiff. hollow. any of these. flexible. stiff. hollow. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in DC Shunt Motor the flux is reduced suddenly to zero, then the motor will attain dangerously high speed. the armature current will reduce. the speed of motor will be reduced. the motor will come to stop. the motor will attain dangerously high speed. the armature current will reduce. the speed of motor will be reduced. the motor will come to stop. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Lathes. Blowers and fans. Centrifugal pumps All of this. Lathes. Blowers and fans. Centrifugal pumps All of this. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors. Calculate the back emf produced when it is running at a speed of 1500 rpm. 240 volt. 220 volt. 440 volt. 230 volt. 240 volt. 220 volt. 440 volt. 230 volt. ANSWER DOWNLOAD EXAMIANS APP
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