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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Self charge of a Ni-Fe cell is _____ Edison cell.

More than
Equal to
Less than
Much more than

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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
charged state
active state
discharged state

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Electrolysis and Storage Batteries
It is noticed that durum charging

energy is absorbed by the cell
all of these
there is a rise in voltage
the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)

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Electrolysis and Storage Batteries
Which of the following factors adversely affects the capacity of the leadacid battery ?

All of these
Specific gravity of electrolyte
Rate of discharge
Temperature of surroundings

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Electrolysis and Storage Batteries
Over charging

loosens the active material
all of the listed here
increases the temperature resulting in buckling of plates
produces excessive gassing

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Electrolysis and Storage Batteries
All the electrical connections between the battery and vehicle should be by

thin copper wires
thin aluminium wires
rigid cables
flexible cables

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