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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Level of electrolyte in a cell should be _____ the level of plates

none of the listed here
above
below
equal to

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Electrolysis and Storage Batteries
It is noticed that during discharging the following does not happen

specific gravity of H2SO4 decreases
both anode and cathode become PbS04
the cell absorbs energy
voltage of the cell decreases

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

nickel plated steel
aluminium
rubber
bakelite

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Electrolysis and Storage Batteries
The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.

2
5
3
4

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Electrolysis and Storage Batteries
Mercury cell has which of the following characteristics?

High power to weight ratio
Flat discharge current-voltage curve
All of these
Comparatively longer shelf life under adverse conditions of high temperature and humidity

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Electrolysis and Storage Batteries
A dead storage battery can be revived by

none of the listed here
a dose of H₂SO₄
adding distilled water
adding so-called battery restorer

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