Practice Combustion Reaction Of Hydrocarbon Fuel (2.1)

Practise this section

9 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a combustion reaction?
Show hintHide hint
It involves burning something.
Question 2.
What does the acronym AFR stand for?
Show hintHide hint
It relates the amount of air to fuel in combustion.
3Question 3.
What is the role of oxygen in the combustion of hydrocarbon fuels?
- To provide energy
- To react with fuels
- To cool the reaction
Show hintHide hint
Consider what happens during a fire.
4Question 4.
True or False: Excess air always improves combustion efficiency.
- True
- False
Show hintHide hint
Remember the balance between air and fuel.
Question 5.
Given that a burner consumes 100 kg of propane with an air supply of 400 kg. Calculate the % Excess air and the equivalence ratio.
Show hintHide hint
Remember to use the stoichiometric ratio for calculations.
Question 6.
In a furnace, if you find 25% CO in the flue gases during an analysis, what does this indicate about the combustion process?
Show hintHide hint
CO production in combustion is often a sign of trouble!

5 more questions in this section. Enroll free to practise them all.