Scavenging air in diesel engine means

Scavenging air in diesel engine means Correct Answer Air used for forcing burnt gases out of engine's cylinder during the exhaust period

In automotive usage, scavenging is the process of pushing exhausted gas-charge out of the cylinder and drawing in a fresh draught of air or fuel/air mixture for the next cycle. This process is essential in having a smooth-running internal combustion engine.
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