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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The lead-acid cell should never be discharged beyond

2 V
1.8 V
1.9 V
2.1 V

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Electrolysis and Storage Batteries
Trickle charging of a storage battery helps to

maintain proper electrolyte level
keep it fresh and fully charged
increase its reserve capacity
prevent sulphation

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Electrolysis and Storage Batteries
During the charging and discharging of a nickel-iron cell

water is neither formed nor absorbed
corrosive fumes are produced
its e.m.f. remains constant
nickel hydroxide remains unsplit

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Electrolysis and Storage Batteries
A battery of 6 cells will show a drop of _____ volts from fully charged state to fully discharged state.

2.8
2.0
2.5
2.4

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

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

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Electrolysis and Storage Batteries
The watt-hour efficiency of a lead-acid cell varies between

70 to 80%
40 to 60%
25 to 35%
90 to 95%

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MORE MCQ ON Electrolysis and Storage Batteries

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