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Electrolysis and Storage Batteries

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

2.1 V
1.8 V
1.9 V
2 V

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Electrolysis and Storage Batteries
Which of the following factors adversely affects the capacity of the leadacid battery ?

Specific gravity of electrolyte
All of these
Rate of discharge
Temperature of surroundings

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Electrolysis and Storage Batteries
Following will happen if battery charging rate is too high

all of the listed here
bulging and buckling of plates will occur
temperature rise will occur
excessive gassing will occur

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

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

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Electrolysis and Storage Batteries
Satellite power requirement is provided through

dry cells
nickel-cadmium cells
solar cells
lead-acid batteries

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Electrolysis and Storage Batteries
Sulphated cells are indicated by

the decrease of the specific gravity
all of the listed here
the loss of capacity of the cell
the low voltage of the cell on discharge

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