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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in

discharged state
charged state
active state
none of the listed here

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Electrolysis and Storage Batteries
Internal short circuits are caused by

none of the listed here
breakdown of one or more separators
excess accumulation of sediment at the bottom of the cell
both of the options given here

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Electrolysis and Storage Batteries
Capacity of dry cells is

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

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Electrolysis and Storage Batteries
Electrolyte used in an Edison cell is

NaOH
kOH
HC1
HN03

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Electrolysis and Storage Batteries
Batteries are charged by

motor generator sets
any one of the listed here
engine generator sets
rectifiers

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Electrolysis and Storage Batteries
Excessive charging a battery tends to

produce gassing
bring about all above changes
to corrode the positive plates into lead peroxide thereby weakening them physically
increase the internal resistance of the battery

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