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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Cell short circuit results in

reduced gassing on charge
low sp. gravity electrolyte
abnormal high temperature
all of the listed here

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Electrolysis and Storage Batteries
Local action in a battery is indicated by

both of the listed here
none of the listed here
excessive gassing under load conditions
excessive drop in the specific gravity of electrolyte even when the cell is on open circuit

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Electrolysis and Storage Batteries
Which of the following is incorrect?

A carbon-zinc cell has unlimited shelf life
A storage cell has a reversible chemical reaction
A lead-acid cell can be recharged
A primary cell has an irreversible chemical reaction

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

above
equal to
below
none of the listed here

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

2.1 V
1.8 V
1.9 V
2 V

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

floating charge
an equalizing charge
two rate charge control
trickle charge

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