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 When flux density is constant in a transformer, hysteresis loss varies as V f² V² f V f² V² f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 205 V. 201.02 V. 212 V. 210 V. 205 V. 201.02 V. 212 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of conducting material. non-ferrous material. insulating material. silicon steel. conducting material. non-ferrous material. insulating material. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 45 ppm. 35 ppm. 20 ppm. 25 ppm. 45 ppm. 35 ppm. 20 ppm. 25 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 20 V. 40 V. 60 V. 0 V. 20 V. 40 V. 60 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
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