ELECTROLYSIS AND STORAGE BATTERIES QUIZ

It is noticed that during discharging the following does not happen

both anode and cathode become PbS04

the cell absorbs energy

specific gravity of H2SO4 decreases

voltage of the cell decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

Battery container should be acid resistance, therefore it is made up of

Plastic

Glass

All of the listed here

Wood

TRUE ANSWER : ?
YOUR ANSWER : ?

The body of Edison cell is made of

rubber

nickel plated steel

bakelite

aluminium

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In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3

4 parts of acid to 8 parts of water

4 parts of acid to 4 parts of water

6 parts of acid to 4 parts of water

4 parts of acid to 6 parts of water

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrogen evolved during charging produces explosive mixture when it is more than

8 %

10 %

6 %

5 %

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Cells are connected in series in order to

increase the life of the cells

increase the voltage rating

increase the current rating

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

A dead storage battery can be revived by

adding distilled water

a dose of H₂SO₄

adding so-called battery restorer

none of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Specific gravity of electrolyte in Edison cell is

1.5

1.1

1.21

2.0

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacity of a lead-acid cell does not depend on its

rate of charge

rate of discharge

quantity of active material

temperature

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Dry cell is modification of

Deniell cell

Lead-acid cell

Edison cell

Leclanche cell

TRUE ANSWER : ?
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