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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The substances which combine together to store electrical energy during the charge are called ______ materials

dielectric
passive
insert
active

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

less
very little
more
no

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Electrolysis and Storage Batteries
Internal resistance of a cell is reduced by

putting plates very close together
all of the listed here
using vent plug to permit gas formed during discharge
increasing the plate area

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Electrolysis and Storage Batteries
Local action in a battery is indicated by

none of the listed here
excessive gassing under load conditions
both of the listed here
excessive drop in the specific gravity of electrolyte even when the cell is on open circuit

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Electrolysis and Storage Batteries
A dead storage battery can be revived by

adding distilled water
none of the listed here
adding so-called battery restorer
a dose of H₂SO₄

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Electrolysis and Storage Batteries
Excessive formation of lead sulphate on the surface of the plates happens because of

persistent undercharging
all of the listed here
low level of electrolyte
allowing a battery to stand in discharged condition for a long time

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