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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The capacity of a lead-acid cell depends on

Density of electrolyte
All of these
Rate of discharge
Temperature

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Electrolysis and Storage Batteries
Under normal charging rate, the charging current should be

20% of capacity
40% of capacity
10% of capacity
30% of capacity

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Electrolysis and Storage Batteries
Which of the following battery is used for aircraft ?

Dry cell battery
Nickel-iron battery
Lead-acid battery
Silver oxide battery

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Electrolysis and Storage Batteries
When a lead-acid battery is in fully charged condition, the color of its positive plate is

dark brown
dark grey
none of the listed here
brown

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Electrolysis and Storage Batteries
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of

reducing time of charging
avoiding excessive gassing
increasing cell capacity
Both of the listed here

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Electrolysis and Storage Batteries
The open circuit voltage of any storage cell depends wholly upon

all of the listed here
its temperature
on the strength of its electrolyte
its chemical constituents

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