Why does a propane fire have that last “blow” when the gas supply is turned off?
The proper ratio of air and propane causes it to burn nicely, like when you are cooking on your bbq. But when close off the gas supply you decrease the propane to air ratio and it makes a less stable. This causes a more volatile ratio of the two gasses and it explodes.
The Short Answer
The proper ratio of air and propane causes it to burn nicely, like when you are cooking on your bbq. But when close off the gas supply you decrease the propane to air ratio and it makes a less stable. This causes a more volatile ratio of the two gasses and it explodes. Research stoichiometric ratios and upper and lower explosive limits.
Analysis
Key Concepts: Ratio, propane, causes
This explanation focuses on ratio, propane, causes and spans 62 words across 4 sentences. The depth is typical for Science questions (category average: 72 words), striking a balance between accessibility and completeness.
What This Answer Covers
The explanation opens with: “The proper ratio of air and propane causes it to burn nicely, like when you are cooking on your bbq.” It then elaborates by presenting a contrasting perspective, ultimately building toward a complete picture across 4 connected points.
How This Compares in Science
Ranked #257 of 500 Science questions by answer depth (top 52%). This is in the concise tier — a focused explanation that prioritizes clarity over exhaustiveness. Many readers prefer this level of directness.
Frequently Asked Questions
Is there a simple explanation for why a propane fire have that last "blow" when the gas supply is turned off?
The proper ratio of air and propane causes it to burn nicely, like when you are cooking on your bbq. But when close off the gas supply you decrease the propane to air ratio and it makes a less stable. This causes a more volatile ratio of the two…
How detailed is this explanation compared to similar Science questions?
This is a focused answer at 62 words, ranked #257 of 500 Science questions by depth. The key concepts covered are ratio, propane, causes.
What approach does this answer take to explain a propane fire have that last "blow" when the gas supply is ?
The explanation uses root cause analysis and contrasting perspectives and scientific references across 62 words. It is categorized under Science and addresses the question through 3 analytical lenses.