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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Cell short circuit results in

all of the listed here
abnormal high temperature
low sp. gravity electrolyte
reduced gassing on charge

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Electrolysis and Storage Batteries
The active materials on the positive and negative plates of a fully charged lead-acid battery are

None of these
lead peroxide and lead
lead and lead peroxide
lead sulphate and lead

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

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

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Electrolysis and Storage Batteries
While preparing electrolyte for a lead-acid battery

water is poured into acid
none of the listed here
anyone of the two can be added to other chemical
acid is poured into water

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Electrolysis and Storage Batteries
In a battery cover is placed over the element and sealed to the top of the battery container. This is done

to exclude dirt and foreign matter from the electrolyte
to reduce evaporation of water from electrolyte
Both of the listed here
None of the listed here

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Electrolysis and Storage Batteries
The active material of the positive plates of silver-zinc batteries is

lead
lead oxide
silver oxide
zinc powder

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