Driving licence test
Which are the two substances primarily produced by a functioning catalytic converter?
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“The catalytic converter turns 80–90 per cent of the harmful substances in the emissions into mainly carbon dioxide and water.” (Driving Licence Book, 19th Edition, page 225)
This is an example of one of the driving theory questions at Körtkortonline.se. There are two languages: English (free demo test), Swedish (free demo test)
There is also a driving licence book online (2026).
More examples of theory questions:
- You are driving to the hospital. May you change to the correct lane (on the far left) in this situation?
- Which statement is true if a car approaches from the right in this situation?
- The air pressure in your tyres is 25% too low. What is true in comparison to having recommended air pressure?
- Which statement is true in this situation?
- Do the cars approaching from the right have an obligation to give way to you?
- What is true about older diesel cars without particle filters?
- You want to avoid the speed bump on your side of the road. Are you permitted to pass over the pedestrian crossing in the lane for oncoming traffic?
- Do you have an obligation to give way if a vehicle approaches from the right at the junction seen at the end of the video?
- Which type of fuel contributes the most to the excess of carbon dioxide in the atmosphere?
- Would you have an obligation to give way if a vehicle approaches from the right at the junction seen at the end of the video?
- Is traffic the main cause of air pollution in many densely populated areas?
- When the video starts, you are driving on a priority road. Would you have an obligation to give way if a vehicle approaches from the right at the junction seen at the end of the video?
- Overall, which of the following gases constitutes the greatest threat to the environment?
- Are you permitted to turn left at the junction indicated by the road sign?
- Is stopping at the junction shown at the end of the video prohibited?
- You want to turn right. Are you permitted to drive onto the verge (hard shoulder) at the side of the road before turning, in order to reduce disruption to traffic behind you?
- What is infrasound in the context of traffic?
- Is it possible to reduce the soot and particle emissions of a diesel vehicle?
- Is it true that when driving, you should have a distance of at least 25 cm between you and the steering wheel airbag?
- What is the total weight of the car if the driver weighs 75 kg, the maximum load is 500 kg and the unladen weight is 1,300 kg?
Category:
- Driving licence test: Vehicle
- Driving licence test: Environment
- Driving licence test: Traffic safety
- Driving licence test: Traffic regulations
- Driving licence test: Individual circumstances
- Driving licence test: Road signs
