Automobile Engineering in ME
Engine misfiring is likely to result from

Vapours lock in the fuel only
Spark plug gap too small
Incorrect fuel air mixture
Spark plug gap too wide

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Automobile Engineering in ME
The function of a first compression ring (top ring) is that it

Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber
Creates swirl
Maintains a seal and prevents the fuel leakage
Increases the combustion temperature

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