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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The charge required to liberate one gram equivalent of any substance is known as ______ constant

Time
Boltzman
Faraday’s
None of the listed here

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Electrolysis and Storage Batteries
A battery of 6 cells will show a drop of _____ volts from fully charged state to fully discharged state.

2.8
2.4
2.0
2.5

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Electrolysis and Storage Batteries
Chargmg of sulphated battery produces ____ heat.

less
more
very little
no

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Electrolysis and Storage Batteries
Excessive charging a battery tends to

bring about all above changes
to corrode the positive plates into lead peroxide thereby weakening them physically
increase the internal resistance of the battery
produce gassing

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Electrolysis and Storage Batteries
When two batteries are connected in parallel, it should be ensured that

they have identical internal resistance
they have same ampere-hour capacity
they have same e.m.f.
they have same make

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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

charged state
active state
discharged state
none of the listed here

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