Energy Resources and Environmental Impact

The lecture covers the topic of fracking, its techniques, and its role in increasing fossil fuel reserves. It explains the concept of net energy and its importance in market viability. The advantages and disadvantages of fossil fuels, including crude oil, heavy oil, and natural gas, are discussed. The process of oil refining and the status of global oil reserves are also covered. The lecture concludes with a discussion on coal energy, its abundance, and its environmental impact.

What is the primary goal of fracking?

• To reduce water pollution

• To promote renewable energy

• To increase fossil fuel reserves

• To eliminate greenhouse gases

What does a positive net energy indicate about an energy resource?

• It is environmentally friendly

• It requires government subsidies

• It is costlier to produce than it yields

• It provides more useful energy than it consumes

Which of the following is a disadvantage of conventional crude oil?

• It is renewable

• It has a high net energy

• It causes water pollution

• It is abundant

What is the first product obtained when refining crude oil?

• Gasoline

• Diesel oil

• Asphalt

• Natural gas

What factor does NOT influence the profitability of oil reserves?

• Market price

• Technology

• Color of the oil

• Demand

What is the main component of natural gas?

• Methane

• Butane

• Propane

• Ethane

Which of the following is a benefit of using natural gas over coal?

• More abundant

• Higher net energy

• Cleaner burning

• Higher production cost

What is the primary use of coal in the energy sector?

• Manufacturing plastics

• Transportation fuel

• Electricity generation

• Heating homes

What environmental issue is associated with coal mining?

• Increased biodiversity

• Improved air quality

• Water pollution

• Reduced carbon emissions

What is a major disadvantage of coal despite its abundance?

• Environmental and health impacts

• Low cost

• Renewable nature

• High net energy