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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
In order that a hydrometer may float vertically in electrolyte its C.G. should be

raised
lowered
undisturbed
displaced sideways

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Electrolysis and Storage Batteries
Satellite power requirement is provided through

dry cells
lead-acid batteries
nickel-cadmium cells
solar cells

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Electrolysis and Storage Batteries
Mercury cell has which of the following characteristics?

Comparatively longer shelf life under adverse conditions of high temperature and humidity
High power to weight ratio
All of these
Flat discharge current-voltage curve

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Electrolysis and Storage Batteries
The capacity of a battery is expressed in terms of

current rating
none of the listed here
voltage rating
ampere-hour rating

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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

none of the listed here
active state
charged state
discharged state

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Electrolysis and Storage Batteries
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance

dull
milky
bright
reddish

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