Spanish original · English

Hover or tap underlined Spanish terms to see their translation and exam tip.

Las hélices de palas abatibles son aquellas que tienen como función principal:Folding propellers mainly serve to:

Show the answer

Correct answer: a) Fold the blades to minimise drag.

Why it is correct

Folding blades close when sailing, so the propeller drags less.

Why the others are not

  • b) Variable pitch.
  • c) Not the aim.
  • d) Not the aim.

How to work it out in the exam

  1. Folding: less drag.

Where this question comes from

Try it: Propeller and rudder

Pending instructor review. Machine translation, not reviewed.