Hover or tap underlined Spanish terms to see their translation and exam tip.
Navegando en alta mar, con viento en calma en presencia de oleaje regular, con olas de longitud de onda muy superior a su altura y crestas redondeadas que no rompen, decimos que navegamos con:At sea, with calm wind and regular waves whose wavelength far exceeds their height, with rounded crests that do not break, we are sailing in:
Show the answer
Correct answer: c) Swell (mar de fondo).
Why it is correct
Swell is long, rounded waves arriving from afar with no local wind. Wind sea is short and breaks.
Why the others are not
- a) Wind, breaking.
- b) Two wave trains.
- d) Irregular.
How to work it out in the exam
- No wind, long waves: swell.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de noviembre · PY Test 1 · question 20 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de noviembre · PY Test 2 · question 15 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.