PSI Engineering Abbreviation

PSI has various meanings in the Engineering category. Discover the full forms, definitions, and usage contexts of PSI in Engineering.

Pound Per Squarebinch

Most Common Engineering
Pounds Per Square Inch

The pound per square inch or, more accurately, pound-force per square inch (abbreviations: psi, lbf/in2, lbf/in2, lbf/sq in, lbf/sq in) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

Engineering
Pipeline Systems Incorporated
Engineering

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