Shelf life of a small dry cell is___________?

Related Mcqs:

1. Dry cell is modification of____________?

   A. Deniell cell
   B. Leclanche cell
   C. Lead-acid cell
   D. Edison cell

2. Electrolyte used in an Edison cell is___________?

   A. NaOH
   B. KOH
   C. HC1
   D. HN03

3. As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its__________?

   A. compactness
   B. lower e.m.f.
   C. small quantity of electrolyte used
   D. higher internal resistance

4. The internal resistance of an alkali cell is nearly _________ times that of the lead-acid cell

   A. two
   B. three
   C. four
   D. five

5. When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in___________?

   A. charged state
   B. discharged state
   C. both (A) and (B)
   D. active state

6. Self charge of a Ni-Fe cell is _______ Edison cell

   A. equal to
   B. less than
   C. more than
   D. much more than

7. Life of the Edison cell is at least_____________?

   A. five years
   B. seven years
   C. eight years
   D. ten years

8. Lead-acid cell has a life of nearly charges and discharges______________?

   A. 500
   B. 700
   C. 1000
   D. 1250

9. Capacity of dry cells is_________?

   A. more when it is supplying current for intermittent periods
   B. more when it is supplying current for continuous periods
   C. unaffected by the type of discharge
   D. none of the above

10. On the average the ampere-hour efficiency of an Edison cell is about__________?

    A. 40%
    B. 60%
    C. 70%
    D. 80%