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Questions and Answers
Which element is considered an impurity in a fuel, even though it is combustible?
Which element is considered an impurity in a fuel, even though it is combustible?
- Sulfur (correct)
- Water
- Carbon
- Oxygen
What is the equation for the incomplete combustion of sulfur?
What is the equation for the incomplete combustion of sulfur?
- 2S + O2 -> SO3 + 2S
- 2S + O2 -> SO3 + S
- 2S + O2 -> SO2 + S (correct)
- 2S + O2 -> SO2 + 2S
Why is the formation of free sulfur undesirable in combustion?
Why is the formation of free sulfur undesirable in combustion?
- It is a toxic element
- It is a greenhouse gas
- It is corrosive to metal surfaces
- It represents a waste of fuel (correct)
Which elements in the fuel combine with oxygen during combustion to form carbon dioxide and water vapor?
Which elements in the fuel combine with oxygen during combustion to form carbon dioxide and water vapor?
What is the main combustible element in fuels?
What is the main combustible element in fuels?
What is the equation for the combustion of propane (C3H8)?
What is the equation for the combustion of propane (C3H8)?
Which of the following is a condition required for complete combustion to occur?
Which of the following is a condition required for complete combustion to occur?
What is the equation for the complete combustion of carbon?
What is the equation for the complete combustion of carbon?
What is the equation for the incomplete combustion of hydrogen?
What is the equation for the incomplete combustion of hydrogen?
What is the main consequence of incomplete combustion in a boiler?
What is the main consequence of incomplete combustion in a boiler?
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