Conventional Energy Sources

Q. Sources of energy which are present in limited quantities are called sources.

1. non-renewable
2. renewable
3. abundant

Q.

What do you mean by refining petroleum? Name four products formed by this refining. Explain the uses of each.

Q.

Mineral use as fuel

Q.

In villages, people use wood as fuel because:

1. (a) it is considered to be an ideal fuel.

2. (b) of its easy availability and low cost.

3. (c) it is environment-friendly.

4. (d) it catches fire easily.

Q.

Petroleum, ________ and ________ are fossil fuels.

Q. Which of the following fuel is referred to as a clean fuel?

1. Compressed natural gas
2. Coal
3. Diesel
4. Petrol

Q. What is the main purpose of making eco-friendly houses?

1. To maximize the use of natural materials
2. To minimize the use of non-exhaustible sources of energy
3. To increase the use of artificial colours
4. To reduce environmental pollution

Q.

Name any two fossil fuels?

Q. Which of the following is a major consequence of deforestation?

1. Depletion of energy resources
2. Low availability of wooden furniture
3. Global warming
4. Lack of drinking water

Q.

Which of the following is renewable source of energy?

1. Wood

2. Petroleum

3. Natural gas

4. Uranium

Q. Which of the following uses petroleum gas for cooking?

1. Electric stove
2. Gas stove
3. Barbecue grill
4. Firewood oven

Q. Can petroleum be produced in the lab why and why not?

Q. Select the objects which use renewable energy resources.

1. Solar panel
2. Windmill
3. Petrol vehicle
4. Solar cooker

Q. Name any four fractions obtained from petroleum which are used as fuels.