In diesel engines, hydraulic valve lifters...

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Question 1 of 205eccefa1bacbc34ba4d476b3

In diesel engines, hydraulic valve lifters are used to __________.

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5eccefa1bacbc34ba4d476b3

In diesel engines, hydraulic valve lifters are used to __________.

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🔍 Key Concepts

• Function of hydraulic valve lifters in a diesel engine valve train • Meaning of valve lash (clearance) and what happens if it increases or decreases • Causes and prevention of valve gear pounding or noise in valve mechanisms

💭 Think About

• Ask yourself: do hydraulic lifters make the valve motion more aggressive (more lift/longer duration), or more consistent and quiet? • Think about whether hydraulic lifters automatically take up clearance, or whether they create extra clearance in the valve train. • Consider which option would most likely reduce mechanical shock in the valve train components.

✅ Before You Answer

• Verify whether hydraulic lifters are designed to maintain zero (or near-zero) valve lash automatically. • Check which choice would most directly decrease impact and noise between valve train parts when the engine is running. • Eliminate any options that would clearly increase clearance or mechanical shock in the valve mechanism.

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Question 1 of 205eccefa1bacbc34ba4d476b3

In diesel engines, hydraulic valve lifters are used to __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d476b3

In diesel engines, hydraulic valve lifters are used to __________.

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