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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Life of the Edison cell is at least

ten years
eight years
seven years
five years

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Electrolysis and Storage Batteries
Following will occur if level of electrolyte falls below plates

open plates are converted to lead sulphate
life of the cell is reduced
capacity of the cell is reduced
all of these

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Electrolysis and Storage Batteries
Electrolyte used in a lead-acid cell is

dilute H₂SO₄
only water
NaOH
only H₂SO₄

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Electrolysis and Storage Batteries
The output voltage of a charger is

none of the listed here
less than the battery voltage
higher than the battery voltage
the same as the battery voltage

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Electrolysis and Storage Batteries
Chargmg of sulphated battery produces ____ heat.

less
no
more
very little

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Electrolysis and Storage Batteries
During discharge, the active material of both the positive and negative plates is changed to

Pb
PbS04
Pb02
PbS02

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