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Electrolysis and Storage of Batteries - Interview Questions and Answers

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36. 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
Explanation:
37. The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.
A. two
B. three
C. four
D. five
Explanation:
38. The effect of sulphation is that the internal resistance
A. increases
B. decreases
C. remains same
D. none of the above
Explanation:
39. The specific gravity of electrolyte is measured by
A. manometer
B. a mechanical gauge
C. hydrometer
D. psychrometer
Explanation:
40. The average charging voltage for alkali cell is about
A. 1 V
B. 1.2 V
C. 1.7 V
D. 2.1 V
Explanation:
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