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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Satellite power requirement is provided through

solar cells
dry cells
lead-acid batteries
nickel-cadmium cells

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

1.2
0.8
1.5
1.0187

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

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

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

dull
reddish
milky
bright

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Electrolysis and Storage Batteries
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in

active state
charged state
discharged state
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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