Automobile Engineering in ME
A clutch is usually designed to transmit maximum torque which is

80% of the maximum engine torque
150% of the maximum engine torque
Equal to the maximum engine torque
None of these

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Automobile Engineering in ME
The function of a second ring is that it is a

Back up oil control ring which will work in place of the bottom ring when it is broken
Cushion ring which prevents piston slap and knock
Back up compression ring which will work in place of the top ring when it is broken
Compression ring and aids the top ring in sealing and cooling

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