12 Questions
Why are technologies able to utilize renewable energy sources like solar, wind, and biomass uneconomic at present?
Owing to the diffuse or intermittent nature of the sources
What is a fuel?
A substance that produces useful energy either through combustion or through nuclear reaction
What is energy usually defined as?
The capacity to do work
What type of fuels produce heat energy by combustion?
Chemical fuels
Which of the following is an example of a nonrenewable energy source?
Natural gas
On what basis can fuels be classified?
On the basis of their occurrence and physical state
What is the primary reason why fossil fuels are relied upon heavily?
They are energy dense and widespread
What are primary fuels also known as?
Natural fuels
Which of the following is NOT a source of renewable energy?
Uranium
What type of fuel is coke?
Secondary fuel
What is the primary concern surrounding the use of fossil fuels?
They contribute to global warming
What is the term for energy sources that are continuously replenished or inexhaustible?
Renewable energy sources
Learn about the different types of energy sources, including renewable and nonrenewable energy, and how they can be classified. Discover the characteristics of each energy source and how they are utilized.
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