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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Cell short circuit results in

reduced gassing on charge
abnormal high temperature
low sp. gravity electrolyte
all of the listed here

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Electrolysis and Storage Batteries
Electrolyte used in a lead-acid cell is

dilute H₂SO₄
only water
only H₂SO₄
NaOH

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Electrolysis and Storage Batteries
Cells are connected in parallel to

Increase the efficiency
Increase the internal resistance
Increase the voltage output
Increase the current capacity

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Electrolysis and Storage Batteries
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into

Pb
PbO
PbSC-4
Pb02

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Electrolysis and Storage Batteries
If a battery is wrongly connected on charge following will happen

current drawing will be very high
current delivered by the battery will be high
current drawing will be very small
current drawing will be nil

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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

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

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MORE MCQ ON Electrolysis and Storage Batteries

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