As you pass between trestle "B" and trestle...

Question 1 / 2066636eea28f7522a1c51b46b

Question 1 of 2066636eea28f7522a1c51b46b

As you pass between trestle "B" and trestle "C" of the Chesapeake Bay Bridge - Tunnel, you sight along the trestle "C" when it is in line. The trestle bears 057° per standard magnetic compass while the vessel is heading 320°T. Which of the following can be determined from this information?

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🔍 Key Concepts

• Standard magnetic compass vs. gyro/true heading and what each reference means • How compass error is defined: CE = True bearing - Compass bearing (or variation + deviation) • Whether you can determine deviation from a single comparison when you do NOT know variation or true bearing of the object

💭 Think About

• Is the heading of 320°T given in true or compass? What does the phrase standard magnetic compass tell you about the 057° reading? • To calculate deviation, what two pieces of information must you know? Do you have both in this problem? • If the information you have is not sufficient to calculate an actual error, what kind of conclusion can you reasonably make about your deviation table or your compass?

✅ Before You Answer

• Identify clearly which angle is true and which is compass in the problem statement • Ask yourself if the true bearing of the trestle is provided anywhere (or if you could logically infer it) • Decide whether a single observed bearing on one heading is enough to prove a numerical deviation value like 10°W or 12°W

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Question 1 of 20

deviation is 10°W

deviation table is correct for that bearing

vessel should be swung to check the deviation table

compass error is 12°W

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Question 1 / 2066636eea28f7522a1c51b46b

Question 1 of 2066636eea28f7522a1c51b46b

Back

Question 1 of 20

66636eea28f7522a1c51b46b

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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