A disadvantage of a four-stroke/cycle over a...

Question 1 / 205eccefa1bacbc34ba4d47382

Question 1 of 205eccefa1bacbc34ba4d47382

A disadvantage of a four-stroke/cycle over a two-stroke/cycle diesel engine is __________.

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Question 1 of 20

5eccefa1bacbc34ba4d47382

A disadvantage of a four-stroke/cycle over a two-stroke/cycle diesel engine is __________.

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🔍 Key Concepts

• two-stroke vs four-stroke diesel engine design differences • how power per stroke and number of power strokes per revolution differ between the two types • typical weight and temperature characteristics of four-stroke vs two-stroke engines

💭 Think About

• Think about how often each type of engine produces power during crankshaft rotation and how that affects the overall engine size and construction needed for the same horsepower. • Consider which design (two-stroke or four-stroke) usually needs to be more robust and heavier to handle the same power output. • Look at each option and ask: is this really something that makes a four-stroke worse than a two-stroke, or does it actually sound like a two-stroke feature or an unrealistic condition?

✅ Before You Answer

• Verify which engine type generally has a higher power-to-weight ratio (more horsepower for less weight). • Check whether scavenging ports are normally associated with two-stroke or four-stroke diesels. • Ask yourself if it is realistic for intake valves to run hotter than exhaust valves, given where the hot combustion gases flow.

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Question 1 of 20

A disadvantage of a four-stroke/cycle over a two-stroke/cycle diesel engine is __________.

higher working temperature of piston and cylinder

the required use of scavenging ports

greater weight per horsepower ratio

intake valve temperatures higher than exhaust valve temperatures

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Question 1 / 205eccefa1bacbc34ba4d47382

Question 1 of 205eccefa1bacbc34ba4d47382

A disadvantage of a four-stroke/cycle over a two-stroke/cycle diesel engine is __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d47382

A disadvantage of a four-stroke/cycle over a two-stroke/cycle diesel engine is __________.

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