Advertisements
Advertisements
प्रश्न
The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg respectively. If you have vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?
Advertisements
उत्तर
We will prefer CNG (Compressed Natural Gas) because the calorific value of CNG is higher than that of petrol. CNG will produce large amount of heat energy than petrol.
At the same time, it produces the least air pollutants. CNG will be more economical.
APPEARS IN
संबंधित प्रश्न
In an experiment 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel.
Can the process of rusting be called combustion? Discuss.
How many types of combustion are there?
Which of the following is not a combustible substance?
Boojho wants to separate the following materials as combustible and non-combustible. Can you help him?
| Charcoal, chalk, stone, iron rod, copper coin, straw, cardboard, glass, paper, candle, wood. |
State whether the following statement is True or False.
Magnesium is a non-combustible metal.
Write True/False against the following statement and also correct the false statement.
Alcohol, CNG and LPG are inflammable substances.
All combustion reactions are ______.
What is slow combustion? Give example.
Write the characteristics of good fuel.
