In constant-current charging method, the supply voltage from discharged to fully charged condition____________?

Related Mcqs:

1. In constant voltage charging method, the charging current from discharged to fully charged condition_____________?

   A. decreases
   B. increases
   C. remains constant
   D. none of the above

2. A battery of 6 cells will show a drop of _______ volts from fully charged state to fully discharged state

   A. 1.0
   B. 1.5
   C. 2.4
   D. 2.9

3. As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of___________?

   A. reducing time of charging
   B. increasing cell capacity
   C. both (A) and (B)
   D. avoiding excessive gassing

4. Under normal charging rate, the charging current should be__________?

   A. 10% of capacity
   B. 20% of capacity
   C. 30% of capacity
   D. 40% of capacity

5. When a lead-acid battery is in fully charged condition, the color of its positive plate is__________?

   A. dark grey
   B. brown
   C. dark brown
   D. none of above

6. The active materials on the positive and negative plates of a fully charged lead-acid battery are_______?

   A. lead and lead peroxide
   B. lead sulphate and lead
   C. lead peroxide and lead
   D. none of the above

7. When the lead-acid cell is fully charged, the electrolyte assumes _______ appearance

   A. dull
   B. reddish
   C. bright
   D. milky

8. The e.m.f. of an Edison cell, when fully charged, is nearly______________?

   A. 1.4 V
   B. 1 V
   C. 0.9 V
   D. 0.8 V

9. The average charging voltage for alkali cell is about__________?

   A. 1 V
   B. 1.2 V
   C. 1.7 V
   D. 2.1 V

10. In ________ system the charging current is intermittently controlled at either a maximum or minimum value

    A. two rate charge control
    B. trickle charge
    C. floating charge
    D. an equalizing charge