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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The following indicate that battery on charge has attained full charge

all of these
gassing
colour of electrode
specific gravity

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Electrolysis and Storage Batteries
Sulphated cells are indicated by

the decrease of the specific gravity
all of the listed here
the low voltage of the cell on discharge
the loss of capacity of the cell

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

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

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Electrolysis and Storage Batteries
The active material of the positive plates of silver-zinc batteries is

silver oxide
lead oxide
lead
zinc powder

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

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

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

Equal to
More than
Less than
Much more than

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