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Automobile Engineering - Engineering

Q1:

The function of a second ring is that it is a

A back up compression ring which will work in place of the top ring when it is broken

B compression ring and aids the top ring in sealing and cooling

C back up oil control ring which will work in place of the bottom ring when it is broken

D cushion ring which prevents piston slap and knock

ANS:B - compression ring and aids the top ring in sealing and cooling

Explanation: No answer description is available.