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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
On the average the ampere-hour efficiency of an Edison cell is about

0.4
0.7
0.8
0.6

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Electrolysis and Storage Batteries
The capacity of a battery is expressed in terms of

voltage rating
none of the listed here
current rating
ampere-hour rating

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Electrolysis and Storage Batteries
Excessive charging a battery tends to

produce gassing
to corrode the positive plates into lead peroxide thereby weakening them physically
bring about all above changes
increase the internal resistance of the battery

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Electrolysis and Storage Batteries
Which of the following primary cells has the lowest voltage ?

Carbon-zinc
Zinc-chloride
Lithium
Mercury

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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 ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is

just one
always less than one
always greater than one
none of the listed here

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