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Electrolysis and Storage Batteries

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

Lithium
Mercury
Carbon-zinc
Zinc-chloride

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Electrolysis and Storage Batteries
The effect of sulphation is that the internal resistance

decreases
remains same
none of the listed here
increases

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

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

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Electrolysis and Storage Batteries
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in

active state
discharged state
charged state
none of the listed here

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

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

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Electrolysis and Storage Batteries
Following will happen if the specific gravity of electrolyte becomes more than 1.23.

Corrosion of the grids of the plate
Loss of life
Loss of capacity
All of the listed here

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