Advertisements
Advertisements
प्रश्न
Explain why is it no wise to regard wood as a renewable sources of energy.
Advertisements
उत्तर
Use of wood is a renewable source but is not advised to use, because saplings take a long time to become a tree.
संबंधित प्रश्न
What is a source of energy? What are the two main categories of the sources of energy?
The calorific values of three fuels A, B and C are 33 kJ/g, 48 kJ/g and 150 kJ/g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.
Name any four fractions obtained from petroleum which are used as fuels.
Explain why, natural gas is considered to be a good fuel.
Compare the sun and the fossil fuels as the sources of energy.
Describe the four major types of coal.
Can you tell?
What is ‘green energy’?
Can you tell?
What are the non-conventional energy resources?
Acid rain happens because ______.
Exhaustible natural resources are
