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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Batteries are charged by

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

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

0.4
0.6
0.7
0.8

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Electrolysis and Storage Batteries
Five 2 V cells are connected in parallel. The output voltage is

1.5 V
15 V
10 V
2 V

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Electrolysis and Storage Batteries
Internal resistance of a cell is due to

electrode resistance
all of the listed here
resistance of electrolyte
surface contact resistance between electrode and electrolyte

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Electrolysis and Storage Batteries
Undercharging

Reduces specific gravity of the electrolyte
Produces excessive gassing
Increases specific gravity of the electrolyte
Increases the temperature

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Electrolysis and Storage Batteries
A dead storage battery can be revived by

adding distilled water
adding so-called battery restorer
none of the listed here
a dose of H₂SO₄

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MORE MCQ ON Electrolysis and Storage Batteries

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