Most main propulsion reduction gear bearings...

Question 1 / 205eccefa1bacbc34ba4d471b9

Question 1 of 205eccefa1bacbc34ba4d471b9

Most main propulsion reduction gear bearings are __________.

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Question 1 of 20

5eccefa1bacbc34ba4d471b9

Most main propulsion reduction gear bearings are __________.

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🔍 Key Concepts

• Design requirements for main propulsion reduction gear bearings on large marine diesel or turbine installations • Characteristics of Babbitt-lined bearings versus roller/ball bearings in slow-speed, heavily loaded applications • Why split-type construction and rigid mounting are used in large gear housings

💭 Think About

• Which bearing type is best suited to carry very heavy, steady loads at relatively low speed with precise gear alignment? • On a large reduction gear, is it more important for the bearing to be self-lubricating and sealed, or to be fully integrated into a forced-lubrication system? • Think about maintenance: which configuration allows inspection and renewal of bearing surfaces without removing the entire shaft?

✅ Before You Answer

• Compare which answer choices mention Babbitt lining and split type—both are strongly associated with large marine reduction gears • Eliminate options that sound like small machinery bearings (e.g., sealed, self-lubricating units) rather than large main propulsion equipment • Ask yourself: which design can be line-bored and integrated into a pressure lubrication system in a reduction gear housing?

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Question 1 of 20

Most main propulsion reduction gear bearings are __________.

self-aligning, solid bushings

rigidly mounted, Babbitt lined, split type

self-lubricating, sealed, roller ball type

spherical-seated, tapered roller type

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Question 1 / 205eccefa1bacbc34ba4d471b9

Question 1 of 205eccefa1bacbc34ba4d471b9

Most main propulsion reduction gear bearings are __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d471b9

Most main propulsion reduction gear bearings are __________.

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