Question

compare LPG and wood as fuel​

Answer 1

Answer:

LPG WOOD

1. It has more calorific value about 55000 kJ/kg.

1. It has less calorific value about 17000 to 22000 kJ/kg.

2. It does not cause any environmental problem. 2. On burning wood release unburnt carbon particles which causes asthma.

3. It is smokeless fuel. 3. It gives out lot of smoke.

4. It is easy to store.

4. It needs a lot of space for storage.

5. It can be easily transported. 5. It cannot be easily transported.

6. Low Ignition temperature. 6. High Ignition temperature.

Explanation:

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Answer 2

Explanation:

Wood has been a traditional fuel for both domestic and industrial use. However, it produces a lot of smoke that can cause respiratory problems. Also, wood is obtained from trees. Thus, using wood as a fuel causes deforestation. Therefore, slowly wood is replaced by LPG, which is a liquefied form of petroleum gas. It does not give out smoke and other pollutants and is a cleaner fuel. Again, fuel efficiency of LPG is more than that of wood. The calorific value of LPG is 55000 kj/kg, while that of wood is between 17000 to 22000 kj/kg. Hence, LPG is favoured over wood.

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