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Electrolysis and Storage Batteries

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

below
none of the listed here
above
equal to

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Electrolysis and Storage Batteries
In a lead-acid cell, lead is called as

positive active material
None of the listed here
negative active material
passive material

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Electrolysis and Storage Batteries
The ampere-hour efficiency of a leadacid cell is normally between

90 to 95%
70 to 75%
80 to 85%
20 to 35%

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Electrolysis and Storage Batteries
The storage battery generally used in electric power station is

zinc-carbon battery
nickel-cadmium battery
lead-acid battery
none of the listed here

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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 so-called battery restorer
adding distilled water

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Electrolysis and Storage Batteries
If a battery is wrongly connected on charge following will happen

current drawing will be very small
current drawing will be nil
current drawing will be very high
current delivered by the battery will be high

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