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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.

12
8
24
10

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Electrolysis and Storage Batteries
When the load resistance equals the generator resistance which of the following will be maximum ?

Voltage across the load resistance
Efficiency of the circuit
Current
Power in the load resistance

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

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

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Electrolysis and Storage Batteries
Each cell has a vent cap

to add water to the cell if needed
all of the listed here
to check the level of electrolyte
to allow gases out when the cell is on charge

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Electrolysis and Storage Batteries
Life of the Edison cell is at least

ten years
five years
seven years
eight years

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Electrolysis and Storage Batteries
A constant-voltage generator has

minimum efficiency
high internal resistance
low internal resistance
minimum current capacity

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