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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Dry cell is modification of

Deniell cell
Leclanche cell
Edison cell
Lead-acid cell

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Electrolysis and Storage Batteries
The watt-hour efficiency of a lead-acid cell varies between

40 to 60%
25 to 35%
90 to 95%
70 to 80%

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

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

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Electrolysis and Storage Batteries
Under normal charging rate, the charging current should be

30% of capacity
20% of capacity
40% of capacity
10% of capacity

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

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

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Electrolysis and Storage Batteries
The average charging voltage for alkali cell is about

1.2 V
1 V
1.7 V
2.1 V

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MORE MCQ ON Electrolysis and Storage Batteries

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