Why are wear rings used on cylinder pistons?

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Q: A strip of thickness 40 mm is to be rolled to a thickness 20 mm using a two-high mill having a rolls...

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Pressure Vessels

The term pressure vessel refers to a closed container that contains gas or liquid at a different pressure than environment pressure. The pressure vessels have a wide scale of applications in our day-to-day lives and other industrial places. Some common examples of pressure vessels are gas cylinders, autoclaves, compressor vessels, etc.