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Electrolysis and Storage Batteries

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

none of the listed here
charged state
active state
discharged state

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Electrolysis and Storage Batteries
As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its

higher internal resistance
small quantity of electrolyte used
lower e.m.f.
compactness

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Electrolysis and Storage Batteries
Persons preparing electrolyte should wear

rubber
rubber boots and gloves
goggles or other face shield
all of these

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Electrolysis and Storage Batteries
In a lead-acid cell, lead is called as

passive material
positive active material
negative active material
None of the listed here

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Electrolysis and Storage Batteries
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into

Pb
PbSC-4
Pb02
PbO

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

12
10
24
8

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