Stern tube and strut bearings lined with...

Question 1 / 205eccefa1bacbc34ba4d47169

Question 1 of 205eccefa1bacbc34ba4d47169

Stern tube and strut bearings lined with hardwood or rubber composition materials are lubricated with __________.

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Question 1 of 20

5eccefa1bacbc34ba4d47169

Stern tube and strut bearings lined with hardwood or rubber composition materials are lubricated with __________.

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🔍 Key Concepts

• Purpose of stern tube and strut bearings on a ship’s propeller shaft • Properties of hardwood or rubber as bearing materials in a marine environment • Common ship practice for open, water-lubricated shaft bearings

💭 Think About

• Think about which lubricant is most compatible with wood or rubber when constantly exposed to seawater around the propeller shaft. • Consider what type of lubricant can be supplied in large quantity, is non‑toxic to the marine environment, and can also provide cooling. • Ask yourself which lubricant would practically reach the stern tube/strut bearings on an operating vessel without complex pumps or oil‑sealing arrangements.

✅ Before You Answer

• Verify which option is typically used for open propeller shaft bearings on conventional vessels. • Eliminate any lubricant that would be easily washed away or cause swelling/softening of hardwood or rubber. • Check which choice is commonly drawn directly from outside the hull rather than stored in tanks.

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Question 1 of 20

Stern tube and strut bearings lined with hardwood or rubber composition materials are lubricated with __________.

saltwater

graphite

light lubricating oil

heavy lubricating oil

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Question 1 / 205eccefa1bacbc34ba4d47169

Question 1 of 205eccefa1bacbc34ba4d47169

Stern tube and strut bearings lined with hardwood or rubber composition materials are lubricated with __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d47169

Stern tube and strut bearings lined with hardwood or rubber composition materials are lubricated with __________.

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