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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The capacity of a lead-acid cell does not depend on its

quantity of active material
rate of charge
temperature
rate of discharge

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Electrolysis and Storage Batteries
Hydrogen evolved during charging produces explosive mixture when it is more than

6 %
10 %
8 %
5 %

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Electrolysis and Storage Batteries
During discharge, the active material of both the positive and negative plates is changed to

Pb
Pb02
PbS04
PbS02

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Electrolysis and Storage Batteries
If a lead-acid cell is discharged below 1.8 V the following will happen.

Capacity of cell will reduce
Sulphation of plates will occur
Internal resistance will increase
All of the listed here

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Electrolysis and Storage Batteries
Dry cell is modification of

Deniell cell
Leclanche cell
Lead-acid cell
Edison cell

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Electrolysis and Storage Batteries
Following will happen if battery charging rate is too high

temperature rise will occur
excessive gassing will occur
bulging and buckling of plates will occur
all of the listed here

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MORE MCQ ON Electrolysis and Storage Batteries

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