COAL AND PETROLEUM

 Why LPG is a better fuel than coal?

• NO Carbondioxide
• High calorific value
• Easy to transport & store
• All of the above

Which of the following best defines natural resources?

• Resources found in highly populated areas
• Man-made resources used for industrial purposes
• Resources that are readily available in markets
• Materials or substances occurring in nature that can be exploited for economic gain

Which of the following best illustrates the impact of human activities on natural resources?

• Building of dams to generate electricity
• Contamination of water due to oil spills
• Conservation of forests for sustainable use
• Protection of endangered species through wildlife sanctuaries

Which natural resource has greatest impact on world politics

• Forest
• coal
• Petroleum
• water

How long will some of the world's natural resources last at the current rate of consumption and production?

• 50 years
• 70 years
• 100 years
• 200 years

If the rate of consumption of natural resources remains constant at 5 units per month, and the total available resources are 100 units, how long before the resources become depleted?

• 20 months
• 25 months
• 30 months
• 35 months

A forest covers an area of 1000 hectares. If 10 hectares are cleared every month for the next 5 years and 15 hectares of new trees are planted every month, what will be the area covered by the forest after 5 years?

• 900 hectares
• 1000 hectares
• 1050 hectares
• 1300 hectares

Which of the following is not a petroleum product?

• Kerosene
• Beewax
• Pitch Black
• None of the above

Which of the following is the purest form of carbon?

• Coal gas
• coal tar
• Coke
• None of the above

Which of the following is used to manufacture steel?

• Coal gas
• coal tar
• Coke
• All of the above