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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Cell short circuit results in

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

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Electrolysis and Storage Batteries
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following

all H₂SO₄
one part H2O, three parts H₂SO₄
three parts H2O, one part H₂SO₄
two parts H2O, two parts H₂SO₄

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Electrolysis and Storage Batteries
In constant-current charging method, the supply voltage from discharged to fully charged condition

none of the listed here
decreases
increases
remains constant

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Electrolysis and Storage Batteries
In alkaline cell the electrolyte is

NaOH
kOH
dilute sulphuric acid
concentrated sulphuric acid

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Electrolysis and Storage Batteries
Charging a sulphated battery at high rate results in

All of the listed here
warping of plates
damage to separators, cell caps covers and battery case due to excessive temperature
boiling of electrolyte due to gassing

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Electrolysis and Storage Batteries
The common impurity in the electrolyte of lead-acid battery is

lead crystals
dust particles
iron
chlorine

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