Low compression in a diesel engine could be...

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Question 1 of 205eccefa1bacbc34ba4d4756a

Low compression in a diesel engine could be caused by __________.

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5eccefa1bacbc34ba4d4756a

Low compression in a diesel engine could be caused by __________.

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🔍 Key Concepts

• compression pressure in a diesel is created purely by the piston moving up and the sealing of the combustion space • the role of piston rings vs. cylinder liner sealing rings • difference between fuel system problems and mechanical compression losses

💭 Think About

• Which parts of the engine actually trap and seal the air in the cylinder during the compression stroke? • Do changes in fuel pressure (injection or booster) occur before or after compression is created? How does that affect whether they can change compression? • What is the main job of wet cylinder liner sealing rings compared to the job of piston rings?

✅ Before You Answer

• Identify which choice involves a part that directly seals the combustion space above the piston. • Eliminate any choices that only affect fuel delivery but not the mechanical sealing of air in the cylinder. • Consider which sealing rings (liner vs. piston) are there to keep coolant and oil separated, not to hold compression pressure.

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Question 1 of 205eccefa1bacbc34ba4d4756a

Low compression in a diesel engine could be caused by __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d4756a

Low compression in a diesel engine could 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