Related Questions

The active materials on the positive and negative plates of a fully charged lead-acid battery are
A lead and lead peroxide
B lead sulphate and lead
C lead peroxide and lead
D none of the above
When a lead-acid battery is in fully charged condition, the color of its positive plate is
A dark grey
B brown
C dark brown
D none of 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
During charging the specific gravity of the electrolyte of a lead-acid battery
A increases
B decreases
C remains the same
D becomes zero
The instrument used to check specific gravity of acid in a battery is
A Hydrometer
B Hygrometer
C Anemometer
D Multimeter
A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will
A Sink to bottom
B Float over fluid
C Partly immersed
D Be fully immersed with top surface at fluid surface
A metal with specific gravity of o floating in a fluid of same specific gravity a will
A sink to bottom
B float over fluid
C partly immersed
D be fully immersed with top surface at fluid surface
Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of
A Powder & grannular solids
B Liquids
C Low melting point semi-solids
D All of the above
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance
A dull
B reddish
C bright
D milky
With the increase of battery temperature, the specific gravity of electrolyte
A Increases
B Decreases
C Remains the same
D None of these

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