Canadian Boating Exam Practice Quiz

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What can influence the accuracy of a magnetic compass on a boat?

  1. The color of the boat

  2. The size of the boat

  3. The proximity of metallic and/or electrical devices

  4. Whether the boat is moving or stationary

The correct answer is: The proximity of metallic and/or electrical devices

The accuracy of a magnetic compass on a boat can be influenced by the proximity of metallic and/or electrical devices. This is because these objects can create their own magnetic fields, which can interfere with the Earth's magnetic field and cause the compass needle to deviate from true north. The color and size of the boat do not impact the accuracy of a magnetic compass, and whether the boat is moving or stationary does not affect its accuracy either.

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