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What is the absolute pressure scale? |
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absolute pressure is calculated from a vacuum (0 psi) and atmospheric pressure is14.7psia or 14.7 psi above a vacuum 1psi on a tire pressure gauge is called 1psig = 15.7psia 10psig=24.7psia 100psig=114.7psia etc.
First answer by Pilot704. Last edit by Acsptrainer. Contributor trust: 7 [recommend contributor]. Question popularity: 10 [recommend question]





