If a line shaft bearing begins to overheat,...

Question 1 / 205eccefa0bacbc34ba4d4715a

Question 1 of 205eccefa0bacbc34ba4d4715a

If a line shaft bearing begins to overheat, the shaft speed should be reduced. If overheating persists, you should then __________.

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Question 1 of 20

5eccefa0bacbc34ba4d4715a

If a line shaft bearing begins to overheat, the shaft speed should be reduced. If overheating persists, you should then __________.

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🔍 Key Concepts

• Line shaft bearing overheating causes and symptoms • Role of lubricating oil flow and pressure in bearing cooling • Why sudden changes like flooding with different oil or external water can be dangerous

💭 Think About

• Think about what actually removes heat from a sliding/rolling bearing in normal operation. • Ask yourself what happens inside the bearing surfaces if lubrication briefly fails or is marginal. • Consider whether adding external substances (like water or different oil) changes the root cause or might damage the bearing or shaft.

✅ Before You Answer

• Identify which option best restores or improves proper lubrication and heat removal rather than adding a new risk. • Eliminate any choice that would shock cool hot metal or contaminate the existing lube system. • Check which action is most consistent with standard engine room casualty control procedures for hot bearings after speed reduction has not solved the problem.

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Question 1 of 20

If a line shaft bearing begins to overheat, the shaft speed should be reduced. If overheating persists, you should then __________.

flood the bearing with a higher viscosity oil to provide emergency lubrication and cooling

apply emergency cooling water externally to the bearing

decrease lube oil pressure to the bearing

increase lube oil pressure to the bearing

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Question 1 / 205eccefa0bacbc34ba4d4715a

Question 1 of 205eccefa0bacbc34ba4d4715a

If a line shaft bearing begins to overheat, the shaft speed should be reduced. If overheating persists, you should then __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d4715a

If a line shaft bearing begins to overheat, the shaft speed should be reduced. If overheating persists, you should then __________.

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