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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
All the electrical connections between the battery and vehicle should be by

flexible cables
thin copper wires
rigid cables
thin aluminium wires

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Electrolysis and Storage Batteries
Charging a sulphated battery at high rate results in

boiling of electrolyte due to gassing
damage to separators, cell caps covers and battery case due to excessive temperature
warping of plates
All of the listed here

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Electrolysis and Storage Batteries
The best indication about the state of charge on a lead-acid battery is given by

none of the listed here
output voltage
temperature of electrolyte
specific gravity of electrolyte

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Electrolysis and Storage Batteries
Mercury cell has which of the following characteristics?

Flat discharge current-voltage curve
All of these
Comparatively longer shelf life under adverse conditions of high temperature and humidity
High power to weight ratio

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Electrolysis and Storage Batteries
If a lead-acid cell is discharged below 1.8 V the following will happen.

Internal resistance will increase
Capacity of cell will reduce
Sulphation of plates will occur
All of the listed here

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Electrolysis and Storage Batteries
Batteries are charged by

engine generator sets
rectifiers
any one of the listed here
motor generator sets

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