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Electrolysis and Storage of Batteries MCQs
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Electrolysis and Storage of Batteries MCQs
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25 Questions

1. Undercharging
2. Following will happen if the specific gravity of electrolyte becomes more than 1.23
3. If a battery is wrongly connected on charge following will happen
4. In constant-current charging method, the supply voltage from discharged to fully charged condition
5. In a battery cover is placed over the element and sealed to the top of the battery container. This is done
6. The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is
7. The average charging voltage for alkali cell is about
8. During the charging of a lead-acid cell
9. Excessive formation of lead sulphate on the surface of the plates happens because of
10. Batteries are charged by
11. Trickle charging of a storage battery helps to
12. Extent of corrosion in the underground metal work depends upon
13. Life of the Edison cell is at least
14. Dry cell is modification of
15. Which of the following cell has a. reversible chemical reaction?
16. During discharge, the active material of both the positive and negative plates is changed to
17. Internal resistance of a cell is due to
18. Under normal charging rate, the charging current should be
19. Satellite power requirement is provided through
20. During charging the specific gravity of the electrolyte of a lead-acid battery
21. The ampere-hour efficiency of a lead-acid cell is normally between
22. Mercury cell has which of the following characteristics?
23. The output voltage of a charger is
24. During the idle period of the battery, strong electrolyte tends to change the active material of the cell into
25. In a lead-acid cell, lead is called as

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