A) 4 B) 2 C) number of poles D) 2 x number of poles. Ans : (C)
A) 1440 rpm B) 1078 rpm C) 750 rpm D) 539 rpm. Ans : (B)
A) 21 x 10-3 Wb. B) 14 x 10-3 Wb. C) 1.2 x 10-3 Wb. D) 3.5 x 10-3 Wb. Ans : (C)
A) Series and shunt generators B) Compound generators C) Shunt generators D) Series generators. Ans : (C)
A) ball or roller bearings B) bush bearing C) magnetic bearings D) plummier blocks. Ans : (A)
A) resistance wire B) copper lug C) dielectric D) insulator. Ans : (B)
A) reversing the direction of the generator B) earthing the shunt field C) running a generator on no load for sometime D) connecting the shunt field to a battery. Ans : (D)
A) Progressive wave winding B) Lap winding C) Reprogressive wave winding D) None of the above. Ans : (B)
A) 4 B) 8 C) 16 D) 32 Ana : (B)
A) V and If B) E and If C) V and Ia D) E and Ia Ans : (A)