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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
In ______ system the charging current is intermittently controlled at either a maximum or minimum value

trickle charge
two rate charge control
floating charge
an equalizing charge

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

more
very little
less
no

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Electrolysis and Storage Batteries
Satellite power requirement is provided through

solar cells
nickel-cadmium cells
dry cells
lead-acid batteries

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Electrolysis and Storage Batteries
Hydrogen evolved during charging produces explosive mixture when it is more than

8 %
6 %
5 %
10 %

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Electrolysis and Storage Batteries
As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its

compactness
small quantity of electrolyte used
lower e.m.f.
higher internal resistance

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Electrolysis and Storage Batteries
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance

dull
bright
reddish
milky

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