Canadian Boating Practice Exam

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Prepare for your Canadian Boating Exam with our comprehensive quiz that features multiple-choice questions designed to test your knowledge of boating safety, navigation, and regulations. Get ready to hit the water safely!

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What sound signal does a power vessel underway but not moving make?

  1. One prolonged blast every minute

  2. Two prolonged blasts every two minutes

  3. Three short blasts every two minutes

  4. Continuous sounding

The correct answer is: Two prolonged blasts every two minutes

A power vessel underway but not moving does not create any sound signal, so answering A and D are incorrect. A ship underway and not moving is considered a "stopped" vessel, and should produce two blasts every two minutes to indicate that it is not underway as required by the International Regulations for Preventing Collisions at Sea (COLREGS). Answering C is incorrect because three short blasts every two minutes is a sound signal used by a vessel backing up or turning around. Thus, B is the correct option as it accurately describes the sound signal used by a power vessel underway but not moving.

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