Which one of the following is not a function of piston rings
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To work as sliding seal between piston and cylinder
To control the lubrication between the piston cylinder walls
To assist the cooling of piston
To assist the cooling of cylinder liner
To assist the cooling of cylinder liner
Functions of compression rings
* To seal between the piston and the cylinder liner.* To transfer the heat* To absorb piston fluctuations due to side thrust. Any number of piston rings.* The heat transfer is better from rings to the liner.* It is better to use a number of narrow rings than a few wide shallow rings.
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