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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The effect of sulphation is that the internal resistance

increases
decreases
remains same
none of the listed here

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Electrolysis and Storage Batteries
The specific gravity of electrolyte is measured by

psychrometer
hydrometer
a mechanical gauge
manometer

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Electrolysis and Storage Batteries
Which among the following constitutes the major load for an automobile battery ?

Parking lights
Self starter
Spark plugs
Brake light

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Electrolysis and Storage Batteries
During the charging of a lead-acid cell

its cathode becomes dark chocolate brown in colour
specific gravity of H₂SO₄ decreases
its voltage increases
it gives out energy

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

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

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Electrolysis and Storage Batteries
Lead-acid cell has a life of nearly charges and discharges

1000
700
1250
500

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