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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Specific gravity of electrolyte in Edison cell is

1.21
2.0
1.1
1.5

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Electrolysis and Storage Batteries
In ______ system the charging current is intermittently controlled at either a maximum or minimum value

an equalizing charge
two rate charge control
trickle charge
floating charge

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Electrolysis and Storage Batteries
In order that a hydrometer may float vertically in electrolyte its C.G. should be

displaced sideways
undisturbed
raised
lowered

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Electrolysis and Storage Batteries
During the charging of a lead-acid cell

its cathode becomes dark chocolate brown in colour
it gives out energy
specific gravity of H₂SO₄ decreases
its voltage increases

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Electrolysis and Storage Batteries
The open circuit voltage of any storage cell depends wholly upon

on the strength of its electrolyte
all of the listed here
its temperature
its chemical constituents

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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
all of these
life of the cell is reduced
capacity of the cell is reduced

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