Hover or tap underlined Spanish terms to see their translation and exam tip.
¿Qué elementos forman parte de una hélice?:Which parts belong to a propeller?
Show the answer
Correct answer: b) Stern tube, boss and cap
Why it is correct
A propeller has a boss carrying the blades, closed by a cap. The stern tube is where the shaft comes out to it.
Why the others are not
- a) Those belong to rudder or anchor.
- c) Stock is the rudder’s; the rest is rotation.
- d) The trunk is the rudder’s.
How to work it out in the exam
- Propeller: boss, blades and cap.
Where this question comes from
- Junta de Andalucía · 2025 · 1ª convocatoria · PER Modelo A · question 4 Official paper · Official answer key
- Junta de Andalucía · 2025 · 1ª convocatoria · PER Modelo B · question 3 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.