Question 1 of 292185eccef9fbacbc34ba4d46865

Error may be introduced into a magnetic compass by___________.

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Question 1 of 29218
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Error may be introduced into a magnetic compass by___________.

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🔍 Key Concepts

• magnetic compass deviation and what causes it • difference between permanent magnetism in the ship and temporary magnetism from nearby objects or currents • how any magnetic or electrical interference near the compass affects its accuracy

💭 Think About

• For each option, ask: Could this reasonably change the magnetic field around the compass card? How? • Think about whether the source is metal, electricity, or magnetism, and whether it is close enough to influence the compass. • Consider what happens if the ship’s structure is altered or if new equipment is installed near the compass—how would that affect deviation?

✅ Before You Answer

• Verify which of the listed items could create or change a magnetic field near the compass. • Check if both physical changes to the vessel and electrical issues can affect compass deviation. • Ask yourself: are small personal items like belt buckles normally considered significant sources of compass error on a properly arranged bridge?