Multiple choice general knowledge

A German World War II submarine was sunk due to malfunction of the

  1. hull

  2. ballast tanks

  3. propeller

  4. Toilet
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In 1945, German submarine U-1206 was sunk due to a toilet malfunction. The toilet's complex high-pressure valve system failed when operated incorrectly, causing seawater flooding that reached batteries. This forced the submarine to surface, where it was attacked by Allied aircraft. This bizarre incident is well-documented in naval history.

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