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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Electrolyte used in a lead-acid cell is

only water
dilute H₂SO₄
only H₂SO₄
NaOH

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Electrolysis and Storage Batteries
In order that a hydrometer may float vertically in electrolyte its C.G. should be

undisturbed
displaced sideways
raised
lowered

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

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

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Electrolysis and Storage Batteries
The effect of sulphation is that the internal resistance

remains same
increases
none of the listed here
decreases

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Electrolysis and Storage Batteries
Cells are connected in series in order to

increase the current rating
increase the life of the cells
None of the listed here
increase the voltage rating

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Electrolysis and Storage Batteries
Capacity of dry cells is

more when it is supplying current for intermittent periods
unaffected by the type of discharge
more when it is supplying current for continuous periods
None of these

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