Correct answer
Vehicle coefficient W.
It is the vehicle’s characteristic coefficient, W. Constant K describes the input signal the tachograph needs to record one kilometre. L is the effective circumference of the driven-wheel tyres. W may be expressed in revolutions or impulses per kilometre; do not confuse it with K or assume every system transmits mechanical revolutions from the gearbox.
Practice more C licence questions
A self-check with exam-style questions on Driving and rest times. Free, no signup.
All options
Vehicle coefficient W.
Tachograph constant K.
Effective tyre circumference L.
Editorial status: editorially approved. This status does not certify legal review. Report a correction
Share this question
Keep studying
Glossary terms in this question
Related questions
- In professional driving, drinking coffee or opening the window:
- As a general rule, a driver subject to Regulation (EC) 561/2006 must not drive more than this continuously without a break:
- In congestion, with a C1 or C truck, keeping space from the vehicle ahead helps to:
- According to Regulation (EC) 561/2006, daily driving time is normally:
- If fatigue appears while driving a C1 or C truck, the safest action is to:
- Professional C, C1, C+E, and C1+E licences are renewed: