When adjusting a magnetic compass for error,...

Question 1 / 2066636ee928f7522a1c5190d6

Question 1 of 2066636ee928f7522a1c5190d6

When adjusting a magnetic compass for error, which is TRUE concerning the deviation table?

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Question 1 of 20

66636ee928f7522a1c5190d6

When adjusting a magnetic compass for error, which is TRUE concerning the deviation table?

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🔍 Key Concepts

• Magnetic compass adjustment sequence (soft iron correctors, permanent magnets, heeling magnet, quadrantal spheres) • Difference between variation (chart/earth-related) and deviation (ship/compass-related) • When and why a deviation table is actually created in the adjustment process

💭 Think About

• In what logical order would you remove or reduce compass errors: variation, deviation from ship’s magnetism, or local magnetic effects at different headings? • Think about whether you want all physical corrections in place before you measure the remaining deviation, or measure first and then install correctors. • Which of these answer choices describes a situation where your table would represent the final residual deviation the compass will actually have in service?

✅ Before You Answer

• Be clear on the definition: variation vs. deviation and which one is related to the ship and which to the earth’s field. • Consider that a deviation table should show the compass errors that remain after all practical adjustments are done, not before. • Check which options talk about actions done before vs after placing correctors and ask: would that give me a table that matches how the compass will behave at sea?

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Question 1 of 20

When adjusting a magnetic compass for error, which is TRUE concerning the deviation table?

Construct the deviation table before the quadrantal correctors are placed on the compass

Construct the deviation table after correcting for variation

Construct the table after adjusting the fore-and-aft permanent magnets

Construct the deviation table before correcting for any deviation

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Question 1 / 2066636ee928f7522a1c5190d6

Question 1 of 2066636ee928f7522a1c5190d6

When adjusting a magnetic compass for error, which is TRUE concerning the deviation table?

Back

Question 1 of 20

66636ee928f7522a1c5190d6

When adjusting a magnetic compass for error, which is TRUE concerning the deviation table?

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