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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Which of the following has lower sp. gravity V

Concentrated H₂SO₄
Water
All of the listed here
Dilute H₂SO₄

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

only H₂SO₄
dilute H₂SO₄
NaOH
only water

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

equal to
above
below
none of the listed here

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Electrolysis and Storage Batteries
Extent of corrosion in the underground metal work depends upon

all of these
type of metals
amount of moisture
type of soil chemicals

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Electrolysis and Storage Batteries
Which of the following primary cells has the lowest voltage ?

Carbon-zinc
Lithium
Mercury
Zinc-chloride

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

trickle charge
floating charge
an equalizing charge
two rate charge control

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