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
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
The storage battery generally used in electric power station is
A nickel-cadmium battery
B zinc-carbon battery
C lead-acid battery
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
Which acid is used in Lead storage battery?
A Sulphuric acid
B Nitric acid
C Hydrochloric acid
D Acetic 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
In redesigning a cold storage, the length is increased by 30% , the breadth is increased by 50% and the height is reduced by 20% . what is the net increase in the volume of the redesigned cold storage compared to the previous design?
A 50%
B 56%
C 60%
D 40%
In redesigning a cold storage, the length is increased by 30%, the breadth is increased by 50% and the height is reduced by 20%. What is the net increase in the volume of the redesigned cold storage compared to the previous design?
A 50%
B 56%
C 60%
D 40%

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