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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
During charging the specific gravity of the electrolyte of a lead-acid battery

decreases
remains the same
increases
none of the listed here

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

8 %
6 %
10 %
5 %

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Electrolysis and Storage Batteries
Satellite power requirement is provided through

nickel-cadmium cells
lead-acid batteries
solar cells
dry cells

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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
The best indication about the state of charge on a lead-acid battery is given by

none of the listed here
specific gravity of electrolyte
temperature of electrolyte
output voltage

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Electrolysis and Storage Batteries
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance

dull
bright
reddish
milky

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