Exhaust valve openings in a two-cycle diesel...

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Question 1 of 205eccefa1bacbc34ba4d473a9

Exhaust valve openings in a two-cycle diesel engine cylinder head are made as large as practical to __________.

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5eccefa1bacbc34ba4d473a9

Exhaust valve openings in a two-cycle diesel engine cylinder head are made as large as practical to __________.

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🔍 Key Concepts

• Two-stroke (two-cycle) diesel scavenging process and how fresh air pushes out exhaust gases • Effect of exhaust valve size on gas flow, pressure drop, and engine efficiency • Difference between back pressure and pumping loss in an engine

💭 Think About

• Think about what happens if the exhaust opening is too small while exhaust gases are leaving the cylinder—how does that affect the work the piston must do? • Consider which option relates directly to gas flow during the scavenging period, rather than maintenance or component stress. • Ask yourself: in a two-stroke diesel, what is the main purpose of having very good exhaust flow just as fresh air comes in?

✅ Before You Answer

• Identify which choice directly affects gas flow resistance during exhaust and scavenging. • Eliminate any answers that are mainly about maintenance convenience or mechanical stress instead of gas exchange efficiency. • Consider which option would improve engine breathing (getting rid of exhaust and bringing in fresh air) rather than making it harder.

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Study

Question 1 of 205eccefa1bacbc34ba4d473a9

Exhaust valve openings in a two-cycle diesel engine cylinder head are made as large as practical to __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d473a9

Exhaust valve openings in a two-cycle diesel engine cylinder head are made as large as practical 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