Hover or tap underlined Spanish terms to see their translation and exam tip.
El efecto de la Presión lateral de las Palas en una hélice de giro a la izquierda, en un buque con timón a la vía, parado y sin arrancada y que dé máquina atrás, es:The effect of the lateral pressure of the blades of a left-turning 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) If the stern falls to starboard, the bow falls to port.
- c) That happens with a right-handed propeller.
- d) Options a) and c) are false.
How to work it out in the exam
- Turning left means left-handed. Astern: stern to starboard.
Where this question comes from
- Junta de Andalucía · 2018 · 1ª convocatoria · PER Modelo A · question 28 Official paper · Official answer key
- Junta de Andalucía · 2018 · 1ª convocatoria · PER Modelo B · question 29 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.