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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Which of the following primary cells has the highest voltage ?

Mercury
Manganese-alkaline
Lithium
Carbon-zinc

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

reddish
milky
bright
dull

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Electrolysis and Storage Batteries
Level of electrolyte in a cell should be _____ the level of plates

equal to
below
none of the listed here
above

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Electrolysis and Storage Batteries
Petroleum jelly is applied to the electrical connections to the lead-acid battery

prevent local heating
reduce path resistance
prevent corrosion
prevent short-circuiting

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

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

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Electrolysis and Storage Batteries
The specific gravity of electrolyte is measured by

manometer
psychrometer
a mechanical gauge
hydrometer

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