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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The specific gravity of electrolyte is measured by

a mechanical gauge
psychrometer
manometer
hydrometer

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Electrolysis and Storage Batteries
Capacity of dry cells is

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

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Electrolysis and Storage Batteries
Undercharging

Increases specific gravity of the electrolyte
Reduces specific gravity of the electrolyte
Increases the temperature
Produces excessive gassing

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Electrolysis and Storage Batteries
Cells are connected in parallel to

Increase the current capacity
Increase the voltage output
Increase the internal resistance
Increase the efficiency

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

only H₂SO₄
NaOH
only water
dilute H₂SO₄

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Electrolysis and Storage Batteries
Life of the Edison cell is at least

eight years
ten years
five years
seven years

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