Civil Engineering Question:

What is the absolute pressure scale?


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.

Previous QuestionNext Question
How did street originate in the plumbing term street ell?What is the difference between QA and QC?