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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
In order that a hydrometer may float vertically in electrolyte its C.G. should be

undisturbed
raised
lowered
displaced sideways

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

10 %
8 %
6 %
5 %

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Electrolysis and Storage Batteries
Ampere hour capacity of an industrial battery is based on ____ hours discharge rate.

12
10
24
8

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

more
very little
no
less

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Electrolysis and Storage Batteries
The storage battery generally used in electric power station is

nickel-cadmium battery
none of the listed here
lead-acid battery
zinc-carbon battery

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Electrolysis and Storage Batteries
In alkaline cell the electrolyte is

dilute sulphuric acid
kOH
NaOH
concentrated sulphuric acid

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