In over compounded generator, full load terminal voltage is______________?

Related Mcqs:

1. In a level compounded D.C. generator, full load terminal voltage is______________?

   A. negligibly low
   B. equal to no-load terminal voltage
   C. more than no-load terminal voltage
   D. less than no-load terminal voltage

2. The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be____________?

   A. 150 V
   B. less than 150 V
   C. greater than 150 V
   D. none of the above

3. The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage____________?

   A. will be less than 250 V
   B. will always be 250 V
   C. may be greater or less than 250 V
   D. none of the above

4. Which of the following generator will have negligible terminal voltage while running on no-load?

   A. Series generator
   B. Shunt generator
   C. Compound generator
   D. Separately excited generator

5. The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except:_____________?

   A. armature reaction
   B. armature resistance drop
   C. field weakening due to armature reaction and armature
   D. commutation

6. 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

7. The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be_____________?

   A. 640 V
   B. 620 V
   C. 600 V
   D. 580 V

8. A 220 V D.C. generator is run at full speed without any excitation. The open circuit voltage will be_____________?

   A. zero
   B. about 2 V
   C. about 50 V
   D. 220 V

9. A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will_____________?

   A. will be zero
   B. will be of 5 Hz
   C. will be of 5 xiVHz
   D. will be of v Hz 5

10. A cumulatively compounded long shunt generator when operating as a motor would be____________?

    A. cumulatively compounded long shunt
    B. deferentially compounded long shunt
    C. cumulatively compounded short shunt
    D. differentially compounded short shunt