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Electrolysis and Storage Batteries

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

no
less
more
very little

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Electrolysis and Storage Batteries
Which of the following cell has a reversible chemical reaction ?

Carbon-zinc
Mercury oxide
Silver-oxide
Lead-acid

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Electrolysis and Storage Batteries
Cells are connected in series in order to

None of the listed here
increase the life of the cells
increase the voltage rating
increase the current rating

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Electrolysis and Storage Batteries
Cell short circuit results in

reduced gassing on charge
all of the listed here
low sp. gravity electrolyte
abnormal high temperature

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Electrolysis and Storage Batteries
Following will occur if level of electrolyte falls below plates

all of these
life of the cell is reduced
open plates are converted to lead sulphate
capacity of the cell is reduced

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Electrolysis and Storage Batteries
The output voltage of a charger is

none of the listed here
higher than the battery voltage
less than the battery voltage
the same as the battery voltage

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