Deck: Safety

1. A a continuous ringing of the general alarm, and sounding of the ship's whistle
2. B a continuous ringing of general alarm bells for at least 10 seconds
3. C more than 6 short blasts and 1 long blast of the ship's whistle and the same signal on the general alarm bells
4. D a continuous sounding of the ship's whistle

Tip: press A-D to answer