Spanish original · English

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

El efecto de la corriente de expulsión en una hélice de giro levógiro, en un buque con timón a la vía, parado y sin arrancada y que dé máquinas atrás, es:The effect of the discharge current of a left-handed propeller, on a boat with the rudder amidships, stopped with no way on and going astern, is:

Show the answer

Correct answer: b) The stern falls to starboard

Why it is correct

With a left-handed propeller, going astern swings the stern to starboard.

Why the others are not

  • a) That happens with a right-handed propeller.
  • c) The effect exists even with the rudder amidships.
  • d) If the stern falls to starboard, the bow falls to port.

How to work it out in the exam

  1. Astern: left-handed, stern to starboard; right-handed, stern to port.

Where this question comes from

Try it: Propeller and rudder

Pending instructor review. Machine translation, not reviewed.