Excessive exhaust temperatures in a...

Question 1 / 270705eccefa3bacbc34ba4d47dfd

Question 1 of 270705eccefa3bacbc34ba4d47dfd

Excessive exhaust temperatures in a two-stroke/cycle diesel engine can be caused by a/an __________.

Question 1 of 27070

Excessive exhaust temperatures in a two-stroke/cycle diesel engine can be caused by a/an __________.

🔍 Key Concepts

• Two-stroke diesel scavenging and how exhaust ports remove burned gases • Relationship between combustion quality (injection/firing pressure) and exhaust temperature • Effect of flow restriction or blockage in the exhaust path on temperature

💭 Think About

• For each choice, ask yourself: does this change mainly how fuel burns, or how hot gases can get out of the cylinder? • Which condition would most likely cause hot gases to stay longer in the cylinder/exhaust ports instead of leaving freely? • Think about what happens to temperature when a gas is trapped or its flow is restricted.

✅ Before You Answer

• Identify which option would restrict exhaust gas flow or heat removal from the cylinder • Decide which conditions are normal operating variations versus a fault or buildup problem • Consider what specifically affects exhaust port area and cleanliness in a two-stroke engine

Question 1 of 27070

Excessive exhaust temperatures in a two-stroke/cycle diesel engine can be caused by a/an __________.

high injection pressure

high firing pressure

overheated air starting line

carbon build up in the exhaust ports