What is the primary purpose of self-aligning...

Question 1 / 2066636eef28f7522a1c520114

Question 1 of 2066636eef28f7522a1c520114

What is the primary purpose of self-aligning spherically-seated line shaft bearings?

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Question 1 of 20

66636eef28f7522a1c520114

What is the primary purpose of self-aligning spherically-seated line shaft bearings?

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🔍 Key Concepts

• Line shaft bearings function and location in the propulsion train • Difference between misalignment due to hull/shaft movement vs. torque, thrust, or vibration effects • What a spherical / self-aligning seat allows the bearing to do physically

💭 Think About

• Ask yourself: Which of these four choices would actually change the alignment angle between shaft and bearing as the ship operates? • Think about what happens to a long shaft line when a steel hull hogs/sags or changes trim with different loading conditions—what happens to bearing alignment then? • Which listed effect (torsion, thrust, hull flexing, vibration) mainly needs a bearing that can tilt and follow the shaft, rather than just be stronger or more heavily built?

✅ Before You Answer

• Verify which condition causes gradual changes in shaft line alignment along the ship’s length. • Check which option involves angular misalignment that a spherical seat can follow by rocking/tilting. • Eliminate any options that deal mostly with twisting, pushing, or shaking forces rather than alignment between bearing and shaft.

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Question 1 of 20

What is the primary purpose of self-aligning spherically-seated line shaft bearings?

To compensate for torsional twisting of the shaft in response to torque variations.

To compensate for variations in propeller thrust loading in response to load changes.

To compensate for flexing of the hull in response to different loading conditions.

To compensate for propeller induced vibrations as a result of propeller irregularities.

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Question 1 / 2066636eef28f7522a1c520114

Question 1 of 2066636eef28f7522a1c520114

What is the primary purpose of self-aligning spherically-seated line shaft bearings?

Back

Question 1 of 20

66636eef28f7522a1c520114

What is the primary purpose of self-aligning spherically-seated line shaft bearings?

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?

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