The method of scavenging used in the diesel...

Question 1 of 270705eccefa1bacbc34ba4d474b7

The method of scavenging used in the diesel engine, shown in the illustration, is known as __________. See illustration MO-0003.

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Question 1 of 27070

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The method of scavenging used in the diesel engine, shown in the illustration, is known as __________. See illustration MO-0003.

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🔍 Key Concepts

• How fresh air enters and burned gases leave a two-stroke diesel cylinder • Difference between straight-through (one-direction) gas flow and gas that loops or crosses inside the cylinder • Role of scavenge ports in the liner versus exhaust valve in the cylinder head

💭 Think About

• Trace the gas path shown: From the scavenge ports near the lower liner, which direction does the air move, and where do the exhaust gases exit? • Ask yourself: Does the flow make a loop inside the cylinder, cross over itself, or move essentially in one overall direction? • Which named scavenging method uses ports in the liner for air entry and a single valve in the cylinder head for exhaust?

✅ Before You Answer

• Identify where scavenge air enters (look for the ports and the air box feeding them). • Identify where the exhaust leaves (look at the cylinder head area for a valve and passage). • Decide if the overall flow is bottom-to-top straight through, or if it clearly loops or turns back inside the cylinder.