Energy Efficiency and Renewable Energy Quiz

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Questions and Answers

What is an example of a renewable energy resource?

Natural gas
Solar energy (correct)
Uranium
Coal

Which type of energy resource is not replenished?

Firewood from trees
Heat in earth
Flowing water
Fossil fuels (oil, coal and natural gas) (correct)

What is the impact of government subsidies on businesses?

Payments designed to help a business (correct)
Higher production costs
Increased competition
Reduced demand for products

What does net energy yield represent?

The total amount of high quality energy available from a resource minus the amount required to make it available for our use (C) Signup and view all the answers

What happens to the net energy yield with each step in finding, processing, and using an energy source?

It is lowered (B) Signup and view all the answers

What are the environmental impacts of energy use?

Waste of resources and pollution. Signup and view all the answers

Provide an example of a nonrenewable energy resource.

Fossil fuels (oil, coal, and natural gas) and uranium. Signup and view all the answers

What is the net energy yield and how is it calculated?

The net energy yield is the total amount of high quality energy available from a resource minus the amount required to make it available for our use. It is lowered with each step in finding, processing, and using the energy source. Signup and view all the answers

What are the differences between renewable and nonrenewable energy resources?

Renewable energy resources are replenished in a short time, such as solar energy, firewood from trees, flowing water, and heat in the earth. Nonrenewable energy resources are not replenished and include fossil fuels and uranium. Signup and view all the answers

Explain the concept of net energy yield and its significance in energy production.

Net energy yield represents the amount of usable energy obtained from a resource after subtracting the energy used to obtain it. It is significant because it indicates the efficiency and sustainability of an energy source. Signup and view all the answers

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