Compare LPG and wood as fuels.
|
LPG |
Wood |
|
1. It has more calorific value i.e. 55000 kJ/ kg. |
1. It has less calorific value i.e. 17000 to 22000. |
|
2. It is smoke free fuel. |
2. It gives out lot of smoke which is quite dangerous. |
|
3. It is easy to transport. |
3. It is difficult to transport wood. |
|
4. It is easily stored in cylinders. |
4. It is difficult to store as it needs of space to store. |
|
5. It does not cause any environment problem. |
5. It is cut so lead to deforestation thus gives rise to many natural and environmental problem. |
Give reasons :
Water is not used to control the fire involving electrical equipment.
Explain how the use of CNG in automobiles has reduced pollution in our cities.
Give reasons :
LPG is a better domestic fuel than wood.
Give reasons :
Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
