The diesel engine component labeled "19",...

Question 1 / 205eccefa2bacbc34ba4d4780e

Question 1 of 205eccefa2bacbc34ba4d4780e

The diesel engine component labeled "19", shown in the illustration is called a/an __________. See illustration MO-0122.

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Question 1 of 20

5eccefa2bacbc34ba4d4780e

The diesel engine component labeled "19", shown in the illustration is called a/an __________. See illustration MO-0122.

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🔍 Key Concepts

• Study the color legend in the lower-left corner of the illustration and match the color of the passage connected to label 19 to the correct system (scavenger air, lubricating oil, exhaust, water, fuel oil). • Trace where the passage at 19 leads: does it connect to the intake/scavenge air passage, the exhaust passage, or a fuel system component? • Recall the physical location and typical orientation of an inlet valve, exhaust valve, air start valve, and unit injector in a cylinder head of a medium‑speed diesel engine.

💭 Think About

• Look closely at label 19. Is it pointing to a poppet-type valve head in the combustion space, or to a fuel device in the head, or to something in an external manifold? • Compare the path above 19 to the intake/scavenge manifold and exhaust manifold. Which side (intake or exhaust) of the cylinder head is this located on in the drawing? • Think about which of the four options would have a direct opening into the combustion chamber at that exact position.

✅ Before You Answer

• Verify the color of the port or passage associated with 19 using the legend (this tells you what medium flows through it). • Confirm whether 19 is connected to a valve seat and valve head or to a fuel pump/injector body. • Make sure the component you choose is one that must open directly into the cylinder at that location, and not one that only delivers fuel through a nozzle body.

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Question 1 of 20

The diesel engine component labeled "19", shown in the illustration is called a/an __________. See illustration MO-0122.

inlet valve

exhaust valve

air start valve

unit injector

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Question 1 / 205eccefa2bacbc34ba4d4780e

Question 1 of 205eccefa2bacbc34ba4d4780e

The diesel engine component labeled "19", shown in the illustration is called a/an __________. See illustration MO-0122.

Back

Question 1 of 20

5eccefa2bacbc34ba4d4780e

The diesel engine component labeled "19", shown in the illustration is called a/an __________. See illustration MO-0122.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed