Which is TRUE concerning a fuel-air mixture...

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Question 1 of 2066636eec28f7522a1c51c830

Which is TRUE concerning a fuel-air mixture below the lower flammable limit?

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Question 1 of 20

66636eec28f7522a1c51c830

Which is TRUE concerning a fuel-air mixture below the lower flammable limit?

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🔍 Key Concepts

• Flammable range (between lower and upper flammable limits) • What happens if there is too little vs. too much fuel in air for combustion • Difference between rich and lean mixtures in combustion

💭 Think About

• Think about a campfire or gas stove: what happens if you add more and more fuel but don’t have enough air? What about the opposite? • The lower flammable limit is the minimum fuel concentration needed to burn. If you are below this point, are you short on fuel or short on air? • Match the everyday term (rich/lean) with the condition of having excess fuel or insufficient fuel in a fuel-air mixture.

✅ Before You Answer

• Confirm that below the lower flammable limit means there is less fuel than needed for ignition. • Review that a rich mixture has more fuel than needed, and a lean mixture has less fuel than needed. • Eliminate any choices that talk about the mixture being too dense or too cool, since the flammable limit is about concentration, not temperature or weight.

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Question 1 of 2066636eec28f7522a1c51c830

Which is TRUE concerning a fuel-air mixture below the lower flammable limit?

Back

Question 1 of 20

66636eec28f7522a1c51c830

Which is TRUE concerning a fuel-air mixture below the lower flammable limit?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed