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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Ampere hour capacity of an industrial battery is based on ____ hours discharge rate.

10
12
8
24

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Electrolysis and Storage Batteries
Which of the following has lower sp. gravity V

All of the listed here
Dilute H₂SO₄
Water
Concentrated H₂SO₄

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Electrolysis and Storage Batteries
Undercharging

Increases specific gravity of the electrolyte
Produces excessive gassing
Increases the temperature
Reduces specific gravity of the electrolyte

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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
its chemical constituents
on the strength of its electrolyte

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

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

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Electrolysis and Storage Batteries
The active materials of a nickel-iron battery are

nickel hydroxide
powdered iron and its oxide
all of these
21% solution of kOH

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