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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is combustion?
💡 Hint: Think about burning substances.
Question 2
Easy
Name one solid fuel.
💡 Hint: Think of what you might use in a fireplace.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What gas is a by-product of combustion?
- Oxygen
- Carbon Dioxide
- Hydrogen
💡 Hint: Think about what happens to the air when fuels are burned.
Question 2
True or False: All fuels produce the same amount of energy.
- True
- False
💡 Hint: Recall the types of fuels and their properties.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation