In case of a 4-pole D.C. generator provided with a two layer lap winding with sixteen coils, the pole pitch will be__________________?

Related Mcqs:

1. The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is______________?

   A. 2 B. 4 C. 6 D. 8...

2. Two generators A and B have 6-poles each. Generator A has wave wound armature while generator B has lap wound armature. The ratio of the induced e.m.f. is generator A and B will be_______________?

   A. 2 : 3 B. 3 : 1 C. 3 : 2 D. 1 : 3...

3. In the case of lap winding resultant pitch is____________?

   A. multiplication of front and back pitches B. division of front pitch by back pitch C. sum of front and back pitches D. difference of front and back pitches...

4. The e.m.f. generated by a shunt wound D.C. generator isE. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be_______________?

   A. E/2 B. 2E C. slightly less than E D. E...

5. In lap winding, the number of brushes is always_____________?

   A. double the number of poles B. same as the number of poles C. half the number of poles D. two...

6. In D.C. generators, lap winding is used for______________?

   A. high voltage, high current B. low voltage, high current C. high voltage, low current D. low voltage, low current...

7. Lap winding is composed of_____________?

   A. any even number of conductors B. any odd number of conductors C. that even number which is exact multiple of poles + 2 D. that even number which is exact multiple of poles...

8. In a D.C. generator in case the resistance of the field winding is increased, then output voltage will____________?

   A. increase B. decrease C. remain unaffected D. fluctuate heavily...

9. The purpose of providing dummy coils in a generator is____________?

   A. to reduce eddy current losses B. to enhance flux density C. to amplify voltage D. to provide mechanical balance for the rotor...

10. The purpose of providing dummy coils in a generator is__________________?

    A. to reduce eddy current losses B. to enhance flux density C. to amplify voltage D. to provide mechanical balance for the rotor...