Related Questions

The ampere-hour efficiency of a leadacid cell is normally between
A 20 to 30%
B 40 to 50%
C 60 to 70%
D 90 to 95%
Which of the following factors adversely affects the capacity of the leadacid battery ?
A Temperature of surroundings
B Specific gravity of electrolyte
C Rate of discharge
D All of the above
Electrolyte used in an Edison cell is
A NaOH
B KOH
C HCl
D HNO3
Specific gravity of electrolyte in Edison cell is
A 0.8
B 0.95
C 1.1
D 1.21
Level of electrolyte in a cell should be _____ the level of plates
A below
B equal to
C above
D none of the above
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into
A PbO2
B PbSC4
C PbO
D Pb
In alkaline cell the electrolyte is
A dilute sulphuric acid
B concentrated sulphuric acid
C NaOH
D kOH
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance
A dull
B reddish
C bright
D milky
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following
A One part H2O, three parts H2SO4
B Two parts H2O, two parts H2SO4
C Three parts H2O, one part H2SO4
D All H2SO4
In the electroplating of gold, the electrolyte used is
A Gold chloride
B Gold nitrate
C Gold sulphate
D Potassium aurocyanide

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