A) in parallel with load B) in series with load C) in parallel with armature winding D) in series with armature winding. Ans : (D)
A) the polarity of armature and field winding B) the polarity of field winding C) the supply terminals D) none of the above. Ans : (B)
A) Series generator B) Shunt generator C) Separately excited generator D) All of the above. Ans : (A) and (B)
A) 0m = 20eP B) 0e = 20mP C) 0m = 20e/P D) 0e = 20m/P. Ans : (C)
A) regulation B) armature reactance C) external efficiency D) loss factor. Ans : (A)
A) Make commutation sparkles B) Cool armature by ventilating air C) Neutralization of reactance voltage D) Neutralize cross magnetizing effects of a armature reaction. Ans : (B)
A) 15 B) 8 C) 4 D) 2 Ans : (C)
A) 10 % B) 9% C) 1% D) 20 V. Ans : (A)
A) 500 W B) 250 W C) 50 W D) 5 W. Ans : (C)
A) interpoles do not need winding B) insulation material C) heavy gauge copper wire D) very fine gauge copper wire. Ans : (C)