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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials.

redundant
passive
active
all

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Electrolysis and Storage Batteries
Cell short circuit results in

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

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

Equal to
Much more than
More than
Less than

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Electrolysis and Storage Batteries
It is noticed that durum charging

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

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Electrolysis and Storage Batteries
In a battery cover is placed over the element and sealed to the top of the battery container. This is done

Both of the listed here
None of the listed here
to reduce evaporation of water from electrolyte
to exclude dirt and foreign matter from the electrolyte

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Electrolysis and Storage Batteries
Battery charging equipment is generally installed

In well ventilated location
As near as practical to the battery being charged
All of the listed here
In clean and dry place

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