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प्रश्न
Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.
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उत्तर
Burning of wood has several disadvantages.
These are as follows:
- Burning of wood produces a lot of smoke, which causes respiratory diseases.
- The cutting down of trees to obtain wood as fuel leads to deforestation, which is very harmful to the environment.
- Trees provide us many useful substances. To obtain fuel wood, when trees are cut down, then all useful substances that can be obtained from trees are lost.
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संबंधित प्रश्न
Give reasons.
LPG is a better domestic fuel than wood.
Name the unit in which the calorific value of a fuel is expressed.
Write an answer to the following question in your own words.
Why should we prevent the wastage of fuel used for vehicles?
Complete the flow chart.
Explain the different types of fuel gases.
The calorific value of a fuel is expressed in a unit called
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Choose the incorrect statement from the following.
A good fuel is one which
Write True/False against the following statement and also correct the false statement.
Greater the calorific value, better is the fuel.
Give two examples each for a solid, liquid and gaseous fuel along with some important uses.
