Question:

The process of removal of burnt or exhaust gas from the engine cylinder is known as

Show Hint

Scavenging = Exhaust Flush. It’s critical for making room for the next explosion.
  • Cleaning
  • Suction
  • Inflation
  • Scavenging
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The Correct Option is D

Solution and Explanation


Step 1: Concept
After the power stroke, the cylinder is filled with hot exhaust gases that must be replaced by fresh air.

Step 2: Meaning
In 2-stroke engines particularly, the fresh air is used to push out the exhaust gases simultaneously.

Step 3: Analysis
Scavenging is the specific technical term for this process of "flushing" or clearing out the burnt gases from the combustion chamber.

Step 4: Conclusion
The removal process is called scavenging.
Final Answer: (D)
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