Related Questions

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
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%
During charging the specific gravity of the electrolyte of a lead-acid battery
A increases
B decreases
C remains the same
D becomes zero
While preparing electrolyte for a lead-acid battery
A water is poured into acid
B acid is poured into water
C anyone of the two can be added to other chemical
D none of the above
The composition of the electrolyte in a fully charged battery is that
A The electrolyte is pure distilled water
B The electrolyte is pure sulphuric acid
C The electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
D The electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight
_______ of electrolyte indicates the state of charge of the battery
A colour
B mass
C viscosity
D specific gravity
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
Which of the following acids serves as an electrolyte in a lead storage battery?
A Sulphuric acid
B Lactic acid
C Hydrochloric acid
D Nitric acid
With the increase of battery temperature, the specific gravity of electrolyte
A Increases
B Decreases
C Remains the same
D None of these
In a battery cover is placed over the element and sealed to the top of the battery container. This is done
A to reduce evaporation of water from electrolyte
B to exclude dirt and foreign matter from the electrolyte
C to discharge both of the above functions
D to discharge none of the above functions

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