Odds are that you just’ve heard of the time period PSI, which is likely one of the most typical models of stress measurement. PSI is used throughout industries and functions to explain and assess the quantity of drive being exerted by one thing. Take, for instance, tire stress PSI. While you pump air right into a tire, the molecules will bounce round inside the tire, which exerts stress towards the within; this stress is the air stress of your tires. When it comes to air compressor measurements, nevertheless, PSI has a barely totally different that means.