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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
In ______ system the charging current is intermittently controlled at either a maximum or minimum value

an equalizing charge
trickle charge
floating charge
two rate charge control

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Electrolysis and Storage Batteries
In order that a hydrometer may float vertically in electrolyte its C.G. should be

lowered
undisturbed
displaced sideways
raised

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Electrolysis and Storage Batteries
Cells are connected in parallel to

Increase the efficiency
Increase the voltage output
Increase the internal resistance
Increase the current capacity

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Electrolysis and Storage Batteries
It is noticed that durum charging

all of these
energy is absorbed by the cell
the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)
there is a rise in voltage

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Electrolysis and Storage Batteries
Over charging

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

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Electrolysis and Storage Batteries
Life of the Edison cell is at least

five years
eight years
ten years
seven years

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