Correct answer
the compressor.
The pneumatic braking system is a type of brake powered by compressed air, used in lorries, buses and heavy machinery, among others. This system uses pistons that are fed by compressed-air tanks via a compressor, which is controlled by valves.
Practice more C licence questions
A self-check with exam-style questions on Mechanics and maintenance. Free, no signup.
All options
the compressor.
the brake servo.
the vacuum pump.
Editorial status: editorially approved. This status does not certify legal review. Report a correction
Share this question
Keep studying
Related questions
- At the same speed and with the same vehicle, a wet road reduces grip compared with a dry road. What happens to braking distance?
- Among the different systems that make up a vehicle's engine, which one does the catalytic converter belong to?
- Under comparable driving conditions, which tyre condition tends to increase fuel consumption?
- Passive safety systems are...
- If you notice a major fault in the brakes or steering of a C1 or C truck, the correct action is to:
- In the tyre marking 385/65 R22.5, what does the number 22.5 indicate?