Which line shaft bearing is most likely to...

Question 1 / 2066636eee28f7522a1c51ec98

Question 1 of 2066636eee28f7522a1c51ec98

Which line shaft bearing is most likely to have both upper and lower half bearing shells on merchant ships?

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Question 1 of 20

66636eee28f7522a1c51ec98

Which line shaft bearing is most likely to have both upper and lower half bearing shells on merchant ships?

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🔍 Key Concepts

• How shaft weight and propeller forces act on the shaft line (direction of load) • Why most line shaft bearings can support the shaft with only a lower shell • Which bearing is closest to the stern tube and propeller and how that might change loading

💭 Think About

• Visualize the shaft from the thrust bearing all the way aft to the propeller. Where are the largest and most variable bending forces likely to occur? • Ask yourself why engineers would bother installing an upper half bearing shell at one location if gravity alone usually keeps the shaft on the lower shell. • Consider which end of the shaft line experiences the most motion and possible shaft lift in heavy seas or when the propeller is highly loaded.

✅ Before You Answer

• Identify which bearing is closest to the propeller and stern tube among the choices. • Confirm that most intermediate line shaft bearings typically carry the shaft on the lower half only, under steady downward load. • Think about where there is a greater risk of the shaft lifting or whipping, making an upper half shell more necessary.

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Question 1 of 20

Which line shaft bearing is most likely to have both upper and lower half bearing shells on merchant ships?

The forwardmost line shaft bearing

All line shaft bearings have only a lower bearing shell

The intermediate line shaft bearing

The aftermost line shaft bearing

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Question 1 / 2066636eee28f7522a1c51ec98

Question 1 of 2066636eee28f7522a1c51ec98

Which line shaft bearing is most likely to have both upper and lower half bearing shells on merchant ships?

Back

Question 1 of 20

66636eee28f7522a1c51ec98

Which line shaft bearing is most likely to have both upper and lower half bearing shells on merchant ships?

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