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प्रश्न
Write an answer to the following question in your own words.
Why should we prevent the wastage of fuel used for vehicles?
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उत्तर
- Vehicles are fuelled by either petrol or diesel fuel. Nowadays, compressed natural gas (CNG) is also used.
- Aviation fuel, petrol and diesel are derived from petroleum using fractional distillation.
- Petroleum is a nonrenewable source of energy.
- It is decreasing on a daily basis, and demand for gasoline has skyrocketed as the world's population has grown dramatically.
- However, the reserves of petroleum (fossil fuel) are finite. It is becoming more difficult to meet the rising demand. So we should avoid wasting fuel.
संबंधित प्रश्न
Fuel must be heated to its ______ before it starts burning.
Name the unit in which the calorific value of a fuel is expressed.
Write an answer to the following question in your own words.
What is meant by fossil fuel?
Complete the flow chart.
An example for fossil fuel is _______.
Explain the different types of fuel gases.
Choose the incorrect statement from the following.
A good fuel is one which
State whether the following statement is True or False.
Calorific value of wood is higher than that of coal.
Write True/False against the following statement and also correct the false statement.
Greater the calorific value, better is the fuel.
Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.
