Which of the following should be done when...

Question 1 / 2066636ee928f7522a1c5194a5

Question 1 of 2066636ee928f7522a1c5194a5

Which of the following should be done when crossing the magnetic equator?

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Question 1 of 20

66636ee928f7522a1c5194a5

Which of the following should be done when crossing the magnetic equator?

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🔍 Key Concepts

• Magnetic equator and how the Earth’s vertical magnetic field component behaves there • Purpose of the Flinders bar, heeling magnet, and quadrantal spheres in compass correction • Which corrector(s) deal specifically with vertical components of magnetism

💭 Think About

• Ask yourself: What happens to the vertical component of the Earth’s magnetic field as you cross the magnetic equator, and why does that matter to the compass? • Which of these correctors (heeling magnet, quadrantal spheres, Flinders bar) is designed to compensate for induced vertical magnetism in the ship? • If a correcting element was set up for a vertical field pointing one way, what simple physical change would let it work correctly when that field reverses direction?

✅ Before You Answer

• Identify which device corrects heeling error due to vertical permanent magnetism and which corrects induced vertical magnetism • Confirm that quadrantal spheres relate to semicircular deviation from horizontal soft iron, not vertical components • Consider what adjustment would be needed when the direction of the vertical field component reverses at the magnetic equator

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Question 1 of 20

Which of the following should be done when crossing the magnetic equator?

Heeling magnet should be inverted

The quadrantal spheres should be rotated 180°

Flinders bar should be inverted

Flinders bar should be moved to the opposite side of the binnacle

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Question 1 / 2066636ee928f7522a1c5194a5

Question 1 of 2066636ee928f7522a1c5194a5

Which of the following should be done when crossing the magnetic equator?

Back

Question 1 of 20

66636ee928f7522a1c5194a5

Which of the following should be done when crossing the magnetic equator?

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