Hover or tap underlined Spanish terms to see their translation and exam tip.
La bocina es:The stern tube (“bocina”) is:
Show the answer
Correct answer: b) The tube letting the propeller shaft turn through the hull without leaking.
Why it is correct
The stern tube is the watertight passage of the propeller shaft. The rudder’s is the rudder trunk.
Why the others are not
- a) Rudder trunk.
- c) Hub cap.
- d) Hawse pipe.
How to work it out in the exam
- Stern tube: prop shaft.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2026 · Convocatoria de junio · PER Test 1 · question 2 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2026 · Convocatoria de junio · PER Test 2 · question 4 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.