Which term defines the minimum concentration...

Question 1 / 2066636eec28f7522a1c51c819

Question 1 of 2066636eec28f7522a1c51c819

Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?

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Question 1 of 20

66636eec28f7522a1c51c819

Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?

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🔍 Key Concepts

• Flammable range of a vapor in air (lower vs. upper limits) • Difference between a temperature property (like flash point or auto-ignition) and a concentration in air • Purpose of Threshold Limit Value (TLV) in industrial hygiene and exposure limits

💭 Think About

• Look at the question’s key phrase: it is asking about a minimum concentration of vapor in air, not a temperature. Which choice is a concentration, not a temperature or safety guideline? • Think about the terms that describe the range where a vapor-air mixture will burn. What is the name of the lowest end of that range? • Which options are clearly about when a liquid gives off enough vapor to flash or ignite by itself, and which one is specifically about how much vapor is in the air?

✅ Before You Answer

• Confirm which option refers to a concentration (percentage) of vapor in air, not a temperature in °F/°C. • Eliminate any terms that are primarily used as workplace exposure limits for human health rather than for fire/combustion behavior. • Among the remaining fire-related terms, choose the one that describes the lowest concentration in air that can burn, not the lowest temperature of the liquid.

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Question 1 of 20

Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?

Auto-ignition point

Flash point

Threshold limit value (TLV)

Lower flammable limit (LFL)

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Question 1 / 2066636eec28f7522a1c51c819

Question 1 of 2066636eec28f7522a1c51c819

Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?

Back

Question 1 of 20

66636eec28f7522a1c51c819

Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?

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