Topic: Documents and penalty points · Nº 4 / 349
¿Cuál es la función principal del catalizador en un vehículo con el permiso de conducir tipo B?
What is the main function of the catalytic converter in a vehicle driven with a category B licence?
- AMejorar la eficiencia del combustible.To improve fuel efficiency.
- BReducir las emisiones contaminantes.To reduce polluting emissions.
- CIncrementar la potencia del motor.To increase engine power.
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Correct answer
- BReducir las emisiones contaminantes.To reduce polluting emissions.
The catalytic converter is part of a vehicle's exhaust system. Its main function is to reduce polluting emissions, such as nitrogen oxides, carbon monoxide and unburnt particles, by turning them into compounds that are less harmful to the environment. This is crucial to meet environmental regulations and help reduce air pollution.
Independent app: not affiliated with or endorsed by the DGT (Spain's Directorate-General for Traffic) or the Ministry of the Interior. The official exam is booked with the DGT and taken at its test centres. The questions here are practice material; the DGT's official question bank is not public.