Excessive wear at part No.11, shown in the...

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Question 1 of 2066636eef28f7522a1c51fab7

Excessive wear at part No.11, shown in the illustration would result in __________. Illustration MO-0027

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Question 1 of 20

66636eef28f7522a1c51fab7

Excessive wear at part No.11, shown in the illustration would result in __________. Illustration MO-0027

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🔍 Key Concepts

• Function of a valve guide (part No.11) and its relationship to the valve stem movement • How wear in a guide changes the clearance between the valve stem and guide, affecting oil control and sealing at the valve seat • Difference between problems that affect lubricating oil flow/consumption versus those that affect valve timing or compression

💭 Think About

• Look at where part No.11 is located around the valve stem – what does excessive clearance here physically allow to move or pass? • If the stem can wobble in the guide, which of the listed effects would you expect first and most directly: a change in when the valve opens, leakage of gases at the seat, or oil passing into the cylinder? • Which option would normally come from problems in the lube oil system (pump, clearances, bearings) versus problems at the valve stem/guide area?

✅ Before You Answer

• Confirm that part No.11 is the valve guide area surrounding the valve stem, not part of the lube oil pump or timing gear • Visualize whether increased clearance here primarily affects oil control along the stem or the exact opening/closing timing driven by the cam • Eliminate any choices that involve systems not directly connected to the valve guide (e.g., main oil pump, injection timing gear)

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Question 1 of 2066636eef28f7522a1c51fab7

Excessive wear at part No.11, shown in the illustration would result in __________. Illustration MO-0027

Back

Question 1 of 20

66636eef28f7522a1c51fab7

Excessive wear at part No.11, shown in the illustration would result in __________. Illustration MO-0027

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