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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
_______ of electrolyte indicates the state of charge of the battery

mass
colour
viscosity
specific gravity

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Electrolysis and Storage Batteries
Over charging

loosens the active material
increases the temperature resulting in buckling of plates
produces excessive gassing
all of the listed here

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

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

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Electrolysis and Storage Batteries
If a battery is wrongly connected on charge following will happen

current drawing will be very small
current drawing will be nil
current drawing will be very high
current delivered by the battery will be high

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Electrolysis and Storage Batteries
In alkaline cell the electrolyte is

kOH
NaOH
dilute sulphuric acid
concentrated sulphuric acid

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

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

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MORE MCQ ON Electrolysis and Storage Batteries

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