Correct answer
Unleaded petrol.
Catalytic converters that a petrol engine may be fitted with are incompatible with anti-knock additives containing lead, which is why, whenever this device is fitted to our engine, the fuel that must be used is unleaded petrol.
Practice more C1 licence questions
A self-check with exam-style questions on Mechanics and maintenance. Free, no signup.
All options
Diesel C with low sulphur content.
Petrol mixed with a very fluid but multigrade oil.
Unleaded petrol.
Editorial status: editorially approved. This status does not certify legal review. Report a correction
Share this question
Keep studying
Related questions
- In a worm-gear steering system, how does the steering wheel return to its rest position (straight-ahead line)?
- What does the word TUBELESS printed on the side of the tyre mean?
- In a conventional manual gearbox and bevel-gear differential, what lubricant is normally used for the gears, respecting each unit’s specification?
- Your lorry has a coolant expansion tank marked MIN and MAX. Under the manufacturer’s specified checking conditions, how should you check its level?
- A heavy lorry has a working electric retarder. On a steep descent with adequate grip and use permitted by the manufacturer, how should it be used to reduce sustained demand on the service brakes?
- When the windscreen washer reservoir is low, how should you replenish it?