Q7 of 17 Page 93

Project Work

Compare a CNG run vehicle with that of a diesel run vehicle. What difference do you notice in both cases with respect to pollutants released, level of pollution and cost of fuel? Prepare a report on your findings. You can take the help of a driver to make a report on your observation.



Although pollutants in both the fuels are almost similar to a kind, but in CNG the pollutants are released in a lesser amount and hence it is less polluting than Petrol or diesel.


More from this chapter

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5

Name the petroleum products used for roads surfacing.

 6

Explain the process of formation of petroleum on Earth?

 8

Project Work

Choose five families of your neighbor hood, collect the information about the measures that they adopt to conserve energy resources in transport and cooking.



Make a report on your observation

 9

The following Table shows the total power shortage percentage in India from 1991- 1997. Show the data in the form of a Bar graph taking shortage percentage for the years on the Y-axis and the years on the X-axis.


a) Is the shortage percentage of power increasing or decreasing?


b) If shortage percentage of power increases year by year, how will it affect on human life? Explain.