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Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a combustion reaction?
π‘ Hint: It involves burning something.
Question 2
Easy
What does the acronym AFR stand for?
π‘ Hint: It relates the amount of air to fuel in combustion.
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 is the role of oxygen in the combustion of hydrocarbon fuels?
- To provide energy
- To react with fuels
- To cool the reaction
π‘ Hint: Consider what happens during a fire.
Question 2
True or False: Excess air always improves combustion efficiency.
- True
- False
π‘ Hint: Remember the balance between air and fuel.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that a burner consumes 100 kg of propane with an air supply of 400 kg. Calculate the % Excess air and the equivalence ratio.
π‘ Hint: Remember to use the stoichiometric ratio for calculations.
Question 2
In a furnace, if you find 25% CO in the flue gases during an analysis, what does this indicate about the combustion process?
π‘ Hint: CO production in combustion is often a sign of trouble!
Challenge and get performance evaluation