Hover or tap underlined Spanish terms to see their translation and exam tip.
Al procedimiento de retroalimentación que tiene lugar cuando se ha iniciado un fuego, mediante una sucesión de reacciones químicas autoalimentadas que producen calor y gases incendiables se le denomina:The feedback process once a fire has started, a series of self-sustaining chemical reactions giving heat and flammable gases, is called:
Show the answer
Correct answer: c) Chain reaction.
Why it is correct
The chain reaction is the fourth side of the fire tetrahedron. It keeps the fire going until broken.
Why the others are not
- a) Removing oxygen.
- b) Removing heat.
- d) Breaking the reaction.
How to work it out in the exam
- Self-feeding: chain reaction.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2026 · Convocatoria de abril · PER Test 1 · question 30 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2026 · Convocatoria de abril · PER Test 3 · question 30 Official paper · Official answer key
Regulations
Pending instructor review. Machine translation, not reviewed.