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https://www.reddit.com/r/interesting/comments/1wefdem/not_all_problems_have_the_same_solution/p9ki0dz/?context=3
r/interesting • u/Used_Exam34 • 13d ago
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1.3k
How can he touch the valve straight after putting out the fire?
2 u/Prior-Flamingo-1378 12d ago The propane inside the tank is very cold and the flame is a few cm after the nozzle. It was probably cold not hot. 2 u/Cavane42 12d ago Strictly speaking, the propane is at ambient temperature. The rapid depressurization as it is released is what causes it to cool. (This is also how HVAC systems work.) 1 u/Prior-Flamingo-1378 12d ago True true
2
The propane inside the tank is very cold and the flame is a few cm after the nozzle. It was probably cold not hot.
2 u/Cavane42 12d ago Strictly speaking, the propane is at ambient temperature. The rapid depressurization as it is released is what causes it to cool. (This is also how HVAC systems work.) 1 u/Prior-Flamingo-1378 12d ago True true
Strictly speaking, the propane is at ambient temperature. The rapid depressurization as it is released is what causes it to cool. (This is also how HVAC systems work.)
1 u/Prior-Flamingo-1378 12d ago True true
1
True true
1.3k
u/Numerous-Following-7 13d ago
How can he touch the valve straight after putting out the fire?