Electrical Machines If the excitation is reduced, the power factor is lagging power factor unity power factor leading power factor None of these lagging power factor unity power factor leading power factor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by None of above. Residual magnetism of the generator. Field resistance. Armature resistance. None of above. Residual magnetism of the generator. Field resistance. Armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of carbon. aluminium. stainless steel. phosphor bronze. carbon. aluminium. stainless steel. phosphor bronze. 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 1000W 500W 3000W 100W 1000W 500W 3000W 100W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on core losses. dielectric losses. copper losses. stray losses. core losses. dielectric losses. copper losses. stray losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using delta connection. V connection. star connection. zig - zag connection. delta connection. V connection. star connection. zig - zag connection. ANSWER DOWNLOAD EXAMIANS APP