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Hover or tap underlined Spanish terms to see their translation and exam tip.

Definimos la bocina como:We define the stern tube (“bocina”) as:

Show the answer

Correct answer: c) The opening where the propeller shaft leaves the hull.

Why it is correct

The stern tube is the watertight shaft passage through the hull. The hub is the propeller’s centre.

Why the others are not

  • a) Whistle.
  • b) Hub.
  • d) Bearing.

How to work it out in the exam

  1. Shaft exit: stern tube.

Where this question comes from

Try it: Propeller and rudder

Pending instructor review. Machine translation, not reviewed.