Compression rings and Oil rings in Piston

Compression rings and Oil rings plays an important role in Piston. During combustion it helps engine to function accurately.
Function of compression rings:
There have two compression rings. During combustion huge pressure create in cylinder. One compression ring can't hold this pressure. So, two compression rings are used in piston.
Function of Oil rings:
During combustion time oil from cylinder goes to piston surface. It creates deposit of carbon. Oil rings scrape oil from cylinder surface to crankcase.

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Mechanical Engineering

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