Passages are drilled in the crankshafts of...

Question 1 / 205eccefa1bacbc34ba4d4744e

Question 1 of 205eccefa1bacbc34ba4d4744e

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the __________.

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5eccefa1bacbc34ba4d4744e

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the __________.

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🔍 Key Concepts

• lubricating oil passages in crankshafts and where they lead • relationship between main bearings, connecting rod bearings, and piston pin bushings • how oil flows from the engine block through the crankshaft to moving parts

💭 Think About

• Think about which parts actually receive oil that has traveled through drilled passages in the crankshaft itself, not just through the engine block or other galleries. • Ask yourself: once oil enters the crankshaft from the main bearing area, which components must it reach next to prevent metal-to-metal contact during rotation? • Consider whether each listed bearing/bushing relies on crankshaft rotation to distribute oil, or if some can be fed directly without going through the crankshaft.

✅ Before You Answer

• Verify which components are directly served by internal oil passages bored inside the crankshaft. • Check how oil reaches the connecting rod big-end bearing and then, if applicable, the piston pin bushing on typical trunk piston diesel engines. • Confirm whether each item listed can be (and commonly is) pressure-fed via crankshaft drillings, not just splash or spray lubrication.

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Question 1 of 20

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the __________.

main bearings

connecting rod bearings

piston pin bushings

All of the above

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Question 1 / 205eccefa1bacbc34ba4d4744e

Question 1 of 205eccefa1bacbc34ba4d4744e

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d4744e

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the __________.

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