Hover or tap underlined Spanish terms to see their translation and exam tip.
¿Cómo puede actualizarse el valor de la declinación magnética?How can the value of magnetic variation be updated?
Show the answer
Correct answer: d) By adding or subtracting the annual change shown on the chart.
Why it is correct
The chart gives the variation for one year and its annual change. You apply it for the years gone by.
Why the others are not
- a) It changes with the years.
- b) You do not need a new chart.
- c) The figure is on the chart.
How to work it out in the exam
- Years gone by × annual change.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2022 · Convocatoria de diciembre · PER Test 2 · question 40 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2022 · Convocatoria de diciembre · PER Test 4 · question 41 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.