Related Questions

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
The battery is an electrochemical device, which means battery
A Makes chemicals by mechanical means
B Uses chemical action to provide electricity
C Has curved plates instead of flat plates
D Does not use an electrolyte
Which acid is used in Lead storage battery?
A Sulphuric acid
B Nitric acid
C Hydrochloric acid
D Acetic acid
Trickle charging of a storage battery helps to
A maintain proper electrolyte level
B increase its reserve capacity
C prevent sulphation
D keep it fresh and fully charged
A dead storage battery can be revived by
A Adding distilled water
B Adding so-called battery restorer
C A dose of H2SO4
D None of the above
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
The cathode of a lead storage battery is made up of
A Zinc
B Lead
C Lead oxide
D Manganese dioxide
When a lead storage battery is discharged,
A SO2 is evolved
B Lead sulphate is consumed
C Lead is formed
D Sulphuric acid is consumed
What kind of battery is most likely included in a cordless electric knife?
A Zinc-carbon battery
B Mercury-cell battery
C Nicad battery
D Lead-acid battery
E None of the above
Load factor of a power station is generally
A equal to unity
B less than unity
C more than unity
D equal to zero Diversity factor is always

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