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What is Scavenging?

Scavenging -

In Automobiles, Scavenging is a process of pushing exhaust gas out of the cylinder and drawing in fresh draught of air or air fuel mixture for the next cycle. The process is essential in having a smooth running of I.C. Engine. If scavenging is incomplete the following stroke will begin with a mix of exhaust fumes rather than clean air. This may be insufficient for poor combustion which leading to poor running condition on an engine.

Scavenging Operations


Scavenging is equally important for both 2 Stroke and 4 Stroke Engine. However, it is more difficult to achieve in 2 Stroke engine.

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