Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 8. 4. 16. 32. 8. 4. 16. 32. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is differential compound. series. cumulative compound. shunt. differential compound. series. cumulative compound. shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? Rotational loss All of these Iron loss Copper loss Rotational loss All of these Iron loss Copper loss 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? 1037.5 r.p.m. 4575.4 r.p.m. 963.8 r.p.m. 1130 r.p.m. 1037.5 r.p.m. 4575.4 r.p.m. 963.8 r.p.m. 1130 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 25 Hz 0 Hz 100 Hz 50 Hz 25 Hz 0 Hz 100 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate reactance voltage produced due to communication. the use of compensating winding. the use drum winding. the use equalizer in lap winding. reactance voltage produced due to communication. the use of compensating winding. the use drum winding. the use equalizer in lap winding. ANSWER DOWNLOAD EXAMIANS APP
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