3 ptsC,C1Official number: 11467
What is the most effective method of acceleration in a truck?
Explanation
Correct answer: By changing gears in such a way that the RPM's of the engines are not lower than the value at which the green area on the speedometer starts.
The green band on a lorry's rev counter indicates the range in which the engine operates most efficiently, developing high torque with optimal fuel consumption. The correct technique for accelerating involves changing to higher gears in such a way that the engine speed remains within this range after each gearchange. This ensures both dynamic performance and fuel economy, which is crucial in heavy goods transport.