4.8 - KEYWORDS
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is combustion?
💡 Hint: Think about burning substances.
Name one solid fuel.
💡 Hint: Think of what you might use in a fireplace.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What gas is a by-product of combustion?
💡 Hint: Think about what happens to the air when fuels are burned.
True or False: All fuels produce the same amount of energy.
💡 Hint: Recall the types of fuels and their properties.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A factory uses wood as a primary fuel. What environmental issues might arise from its use, and how can they be mitigated?
💡 Hint: Think about the consequences of cutting down trees.
If you have two fuels with calorific values of 45000 kJ/kg and 25000 kJ/kg, which fuel would be more efficient for heating purposes? Explain why.
💡 Hint: Evaluate where more heat energy comes from.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.