Electrical Machines Which of the following windings are necessary in case of all dc machines? wave winding open type winding lap winding closed winding wave winding open type winding lap winding closed winding 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 100W 3000W 1000W 500W 100W 3000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable tan - delta (tanδ) of dielectric dispassion factor of power transformer insulating oil is generally taken as 1 at 90°C. 3 at 90°C. 0.5 at 90°C. 2 at 90°C. 1 at 90°C. 3 at 90°C. 0.5 at 90°C. 2 at 90°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? reduction in main field flux both 2 and 3 commutation reduces the terminal voltage reduction in main field flux both 2 and 3 commutation reduces the terminal voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine A any of the two machines none of these machine B machine A any of the two machines none of these machine B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is normal speed. zero. less than normal speed. more than normal speed. normal speed. zero. less than normal speed. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
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