Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 20. 1.1. 0.05. 0.905. 20. 1.1. 0.05. 0.905. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, 1. reactance voltage is proportional to armature current 2.reactance voltage is proportional to core length 3.reactance voltage is due to self-flux of the coil undergoing commutation 4. armature-cross flux is neutralized by interpolar flux 5. interpolarmmf is more than armature mmf in the interpolar zone From these, the correct answer is 1, 2, 5 1, 3, 5 2, 3, 4 1, 2, 3, 4 1, 2, 5 1, 3, 5 2, 3, 4 1, 2, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as magnetostriction. hum. boo. zoom. magnetostriction. hum. boo. zoom. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of cast iron. carbon. silicon steel. stainless steel. cast iron. carbon. silicon steel. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.54. 0.3. 0.7. 1. 0.54. 0.3. 0.7. 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 100W 3000W 500W 1000W 100W 3000W 500W 1000W ANSWER DOWNLOAD EXAMIANS APP