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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Level of electrolyte in a cell should be _____ the level of plates

equal to
none of the listed here
above
below

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Electrolysis and Storage Batteries
On overcharging a battery

None of these
It will raise the specific gravity of the electrolyte
It will increase the capacity of the battery
It will bring about chemical change in active materials

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Electrolysis and Storage Batteries
48 ampere-hour capacity would deliver a current of

6 amperes for 8 hours
8 amperes for 6 hours
24 amperes for 2 hours
48 amperes for 1 hour

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Electrolysis and Storage Batteries
If a lead-acid cell is discharged below 1.8 V the following will happen.

All of the listed here
Internal resistance will increase
Capacity of cell will reduce
Sulphation of plates will occur

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

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

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Electrolysis and Storage Batteries
Electrolyte used in an Edison cell is

HN03
NaOH
HC1
kOH

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