Electrical Machines A shaded pole single phase induction motor can be used for food mixers personal computers as cooling fan wet grinders tape recorders food mixers personal computers as cooling fan wet grinders tape recorders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? data provided is insufficient. 2. 4. 6. data provided is insufficient. 2. 4. 6. 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, 3, 4 1, 2, 5 1, 3, 5 2, 3, 4 1, 2, 3, 4 1, 2, 5 1, 3, 5 2, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the None of these statically induced voltage. dynamically induced voltage. reactance voltage. None of these statically induced voltage. dynamically induced voltage. reactance voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? Eddy current losses Friction and windage losses All of the them Hysteresis losses Eddy current losses Friction and windage losses All of the them Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Shunt Motor having armature resistance of 0.5 Ω and 2A armature current at no-load, when the armature current is changed to 20A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load? 1130 r.p.m. 963.8 r.p.m. 4575.4 r.p.m. 1037.5 r.p.m. 1130 r.p.m. 963.8 r.p.m. 4575.4 r.p.m. 1037.5 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
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