The minimum speed an engine must attain...

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Question 1 of 205eccefa3bacbc34ba4d47d37

The minimum speed an engine must attain before ignition can occur depends upon __________.

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5eccefa3bacbc34ba4d47d37

The minimum speed an engine must attain before ignition can occur depends upon __________.

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🔍 Key Concepts

• compression ignition in diesel or internal combustion engines • how engine design (type and size) affects compression and ignition speed • influence of engine condition and ambient temperature on starting characteristics

💭 Think About

• Ask yourself whether ignition speed is controlled by only the engine’s design, or if real‑world factors like wear, maintenance, and environment also matter. • Consider how cold weather versus warm weather affects how easily engines start and whether that changes the minimum cranking speed needed. • Think about whether exam questions on ‘minimum’ or ‘starting’ conditions usually focus on a single factor or a combination of related factors.

✅ Before You Answer

• Verify whether engine type and size alone can guarantee ignition at a fixed minimum speed. • Consider if poor engine condition (low compression, worn rings, weak fuel injection) would change the minimum speed required for ignition. • Think about how low ambient temperature affects fuel atomization and air temperature in the cylinder when compressed.

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Question 1 of 205eccefa3bacbc34ba4d47d37

The minimum speed an engine must attain before ignition can occur depends upon __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47d37

The minimum speed an engine must attain before ignition can occur depends upon __________.

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