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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Battery container should be acid resistance, therefore it is made up of

All of the listed here
Plastic
Glass
Wood

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Electrolysis and Storage Batteries
On overcharging a battery

It will bring about chemical change in active materials
It will raise the specific gravity of the electrolyte
It will increase the capacity of the battery
None of these

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Electrolysis and Storage Batteries
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following

two parts H2O, two parts H₂SO₄
all H₂SO₄
one part H2O, three parts H₂SO₄
three parts H2O, one part H₂SO₄

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Electrolysis and Storage Batteries
A dead storage battery can be revived by

a dose of H₂SO₄
none of the listed here
adding so-called battery restorer
adding distilled water

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Electrolysis and Storage Batteries
Under normal charging rate, the charging current should be

20% of capacity
40% of capacity
10% of capacity
30% of capacity

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Electrolysis and Storage Batteries
Ampere hour capacity of an industrial battery is based on ____ hours discharge rate.

24
12
8
10

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