Low compression pressure in a diesel engine...

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Question 1 of 205eccefa3bacbc34ba4d47dcb

Low compression pressure in a diesel engine cylinder can be caused by __________.

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5eccefa3bacbc34ba4d47dcb

Low compression pressure in a diesel engine cylinder can be caused by __________.

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🔍 Key Concepts

• compression ratio vs compression pressure in a diesel cylinder • The path that air takes in and out of the cylinder and what can leak during compression • Difference between problems that affect combustion quality vs problems that affect mechanical sealing

💭 Think About

• Ask yourself: which of these options would actually let compressed air escape from the combustion space during the compression stroke? • Which choices mainly affect how well the fuel burns, rather than how much pressure the air reaches before fuel injection? • Would bearing wear change the volume of the combustion space enough to significantly reduce compression pressure, or just affect alignment and noise/vibration?

✅ Before You Answer

• Identify which component(s) directly seal the combustion chamber during compression (piston, rings, liner, head, valves). • Eliminate any options that only affect fuel quality or combustion efficiency, not the mechanical ability to build pressure. • Consider whether each choice would cause a loss of air tightness in the cylinder during the upward stroke.

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Question 1 of 205eccefa3bacbc34ba4d47dcb

Low compression pressure in a diesel engine cylinder can be caused by __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47dcb

Low compression pressure in a diesel engine cylinder can be caused by __________.

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