Hover or tap underlined Spanish terms to see their translation and exam tip.
Según el Anexo IV del RIPA, se puede utilizar como señal de peligro una señal SOS del Código Morse emitida por cualquier sistema de señales, consistente en:Under Annex IV, an SOS in Morse code by any signalling method may be used as a distress signal. It is:
Show the answer
Correct answer: d) . . . - - - . . .
Why it is correct
SOS in Morse is three dots, three dashes, three dots. S is ··· and O is −−−.
Why the others are not
- a) Not SOS.
- b) Not SOS.
- c) That is OSO.
How to work it out in the exam
- SOS: ··· −−− ···.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2023 · Convocatoria de abril · PER Test 1 · question 25 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2023 · Convocatoria de abril · PER Test 3 · question 24 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.