Correct answer
Adjust the engine revs so that, when changing gear, they settle at the start of the green zone.
To drive efficiently, you should change gear at the right moment so that, after the change, the revs settle at the start of the green zone — that is, so the engine neither revs excessively nor loses power.
Practice more C licence questions
A self-check with exam-style questions on Mechanics and maintenance. Free, no signup.
All options
Adjust the engine revs so that, when changing gear, they settle at the start of the green zone.
Adjust the engine revs so that, when changing gear, they settle at the end of the green zone.
Adjust the engine revs so that, when changing gear, they settle in the red zone.
Editorial status: editorially approved. This status does not certify legal review. Report a correction
Keep studying
Related questions
- If you are driving your lorry downhill, can you put it in neutral to save fuel?
- At the same speed and with the same lorry, a wet road reduces grip compared with a dry road. If you do not intend to overtake, how should you adjust your gap from the vehicle ahead?
- Fog significantly reduces visibility. In addition to the compulsory position lights, may you use dipped headlights without switching on the front fog lights?
- One of the components that forms part of the pneumatic braking system is...
- At the same speed and with the same vehicle, a wet road reduces grip compared with a dry road. What happens to braking distance?
- A lorry has an expansion tank marked MIN and MAX. When checking coolant with a cold engine according to the manufacturer’s instructions, must you inspect the level?