Hover or tap underlined Spanish terms to see their translation and exam tip.
Cuando el buque se mueve por efecto de la mar (balance y cabezada):When the boat moves with the sea (rolling and pitching):
Show the answer
Correct answer: d) The position of the centre of buoyancy changes, but not that of the centre of gravity
Why it is correct
The underwater shape changes, and C with it. Weights do not move, so G stays the same.
Why the others are not
- a) C does change.
- b) It is the other way round.
- c) G does not change.
How to work it out in the exam
- G depends on weights. C on the underwater shape.
Where this question comes from
- Junta de Andalucía · 2016 · 1ª convocatoria · PY Módulo genérico · question 1 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2022 · Convocatoria de junio · PY Test 1 · question 7 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2022 · Convocatoria de junio · PY Test 2 · question 5 Official paper · Official answer key
Regulations
Pending instructor review. Machine translation, not reviewed.