Spanish original · English

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

En una embarcación con dos hélices, la de babor es levógira. ¿Cómo es el sistema?:On a twin-screw boat the port propeller is left-handed. What is the arrangement?

Show the answer

Correct answer: b) Outward-turning twins; the starboard one is right-handed

Why it is correct

With port left-handed and starboard right-handed, blades rise inboard and fall outboard: they turn outward. It is the most common arrangement.

Why the others are not

  • a) They would be opposite.
  • c) That is outward turning.
  • d) They would be opposite.

How to work it out in the exam

  1. Port left, starboard right: outward.

Where this question comes from

Try it: Propeller and rudder

Pending instructor review. Machine translation, not reviewed.