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Electrolysis and Storage Batteries

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

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

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Electrolysis and Storage Batteries
Petroleum jelly is applied to the electrical connections to the lead-acid battery

prevent corrosion
prevent local heating
reduce path resistance
prevent short-circuiting

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Electrolysis and Storage Batteries
The current flow through electrolyte is due to the movement of

electrons
ions
holes
None of these

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Electrolysis and Storage Batteries
The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.

4
5
3
2

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

8
12
10
24

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Electrolysis and Storage Batteries
Local action in a battery is indicated by

none of the listed here
both of the listed here
excessive gassing under load conditions
excessive drop in the specific gravity of electrolyte even when the cell is on open circuit

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