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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The body of Edison cell is made of

nickel plated steel
rubber
bakelite
aluminium

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Electrolysis and Storage Batteries
Weston standard cell at 20°C has voltage of ____ volts.

1.5
1.2
1.0187
0.8

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Electrolysis and Storage Batteries
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into

PbO
PbSC-4
Pb
Pb02

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

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

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Electrolysis and Storage Batteries
Under normal charging rate, the charging current should be

20% of capacity
40% of capacity
10% of capacity
30% of capacity

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

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

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