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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance

bright
reddish
dull
milky

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

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

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Electrolysis and Storage Batteries
The lead-acid cell should never be discharged beyond

1.8 V
1.9 V
2.1 V
2 V

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Electrolysis and Storage Batteries
Over charging

all of the listed here
increases the temperature resulting in buckling of plates
produces excessive gassing
loosens the active material

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Electrolysis and Storage Batteries
Trickle charging of a storage battery helps to

maintain proper electrolyte level
increase its reserve capacity
keep it fresh and fully charged
prevent sulphation

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

15 V
2 V
1.5 V
10 V

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