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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Weston standard cell at 20°C has voltage of ____ volts.

1.5
1.0187
0.8
1.2

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Electrolysis and Storage Batteries
Batteries are charged by

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

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Electrolysis and Storage Batteries
The output voltage of a charger is

none of the listed here
the same as the battery voltage
less than the battery voltage
higher than the battery voltage

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Electrolysis and Storage Batteries
Following will happen if the specific gravity of electrolyte becomes more than 1.23.

Loss of life
All of the listed here
Loss of capacity
Corrosion of the grids of the plate

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Electrolysis and Storage Batteries
Capacity of dry cells is

more when it is supplying current for intermittent periods
None of these
unaffected by the type of discharge
more when it is supplying current for continuous periods

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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
lower e.m.f.
small quantity of electrolyte used

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MORE MCQ ON Electrolysis and Storage Batteries

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