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Electrolysis and Storage Batteries

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

1.0187
1.2
1.5
0.8

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Electrolysis and Storage Batteries
48 ampere-hour capacity would deliver a current of

48 amperes for 1 hour
6 amperes for 8 hours
8 amperes for 6 hours
24 amperes for 2 hours

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Electrolysis and Storage Batteries
Each cell has a vent cap

all of the listed here
to allow gases out when the cell is on charge
to add water to the cell if needed
to check the level of electrolyte

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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
specific gravity of electrolyte
output voltage
none of the listed here

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Electrolysis and Storage Batteries
The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity”. The above statement is associated with

Gauss’s law
Faraday’s law of electromagnetic
Newton’s law
Faraday’s law of electrolysis

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Electrolysis and Storage Batteries
During the charging and discharging of a nickel-iron cell

its e.m.f. remains constant
water is neither formed nor absorbed
nickel hydroxide remains unsplit
corrosive fumes are produced

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