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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The substances which combine together to store electrical energy during the charge are called ______ materials

dielectric
active
insert
passive

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Electrolysis and Storage Batteries
Which of the following is incorrect?

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

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Electrolysis and Storage Batteries
Excessive formation of lead sulphate on the surface of the plates happens because of

allowing a battery to stand in discharged condition for a long time
all of the listed here
low level of electrolyte
persistent undercharging

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Electrolysis and Storage Batteries
Which among the following constitutes the major load for an automobile battery ?

Parking lights
Spark plugs
Brake light
Self starter

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Electrolysis and Storage Batteries
Over charging

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

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

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

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