Braking systems
Your vehicle is fitted with an anti-lock braking system. What's it designed to allow you to do?
You're about to drive a vehicle fitted with hydraulic brakes. What should you check before driving the vehicle?
What's the principal braking system on a lorry called?
What should you do after driving through a flood?
You're driving a tractor unit fitted with two air lines. You want to couple to a trailer that has three air-line couplings. How should the air lines be connected?
What should anti-lock brakes let you do when you have to stop in an emergency?
Where would you see an escape lane?
Your vehicle is fitted with an air-assisted hydraulic braking system. What would warn you that the vacuum pump isn't working?
When is an articulated vehicle most at risk of jack-knifing?
What could prevent air pressure from building up in an air-brake system in frosty weather?
The emergency line is common to both two-line and three-line brake systems. What colour is it?
Your tractor unit has three air lines. You're connecting to a trailer that has two air-line couplings. What colour is the line you shouldn't connect to the trailer?
You're driving down a snow-covered hill. Why should you take care when using an independent endurance brake (retarder)?
Where must extra care be taken when using an endurance brake (retarder)?
You're driving an articulated lorry. What could happen if you change to a lower gear while you're going too fast?
You're stationary. The brake air-pressure warning light comes on. Why should you keep the parking brake on?
You're about to drive an unfamiliar vehicle. What should you do if you think there may be moisture in the air-brake reservoir?
When can an endurance brake (retarder) be especially useful?
What causes 'brake fade'?
You're driving an articulated lorry that has three air lines connected to the trailer. What's the purpose of the red line?
Your lorry is equipped with anti-lock brakes. What's the correct procedure for stopping in an emergency?
What can coasting downhill seriously affect?
Which coloured band on the rev counter makes the best use of engine braking?
Your vehicle is fitted with air brakes. What does it mean if a brake warning light shows when you've just started the engine?
You've just started the engine. What must you do if the brake air-pressure warning light is showing?
In frosty weather, what precaution could a lorry driver take to prevent moisture from freezing in the air-brake system?
Air-brake systems usually have two lines. Which additional line is fitted on a three-line system?
Your vehicle is fully loaded. Where should you be braking when dealing with bends?
'Brake fade' is a loss of effectiveness of the brakes when they overheat. When would 'brake fade' be most likely to happen?
Your vehicle is fitted with air-assisted hydraulic brakes. What would warn you that there isn't enough air in the system?
What will 'pumping' the brake pedal in a vehicle fitted with anti-lock brakes cause?
What does changing to a lower gear on a long downhill gradient help to avoid?
What colour is the auxiliary line on a three-line braking system?
When does 'brake fade' occur?
What system is used to control a vehicle's speed without using the footbrake?
You're about to drive a vehicle fitted with air-assisted hydraulic brakes. Why might the brake pedal feel hard when you press it?
Which component will last longer when you use a retarder?
How will anti-lock brakes improve your vehicle's safety?
You have to drive onto a muddy building site. Why should you switch on your diff-lock?
A lorry is overtaking you on a two-lane motorway. What should you do if it doesn't have the speed to get past?
When are exhaust brakes most efficient?
You're driving down a long hill. What should you use to prevent the brakes from overheating?
Your vehicle is fitted with air-assisted hydraulic brakes. What fault would you suspect if the brake pedal becomes hard to press?
How can a lorry driver avoid brake fade?
What should you avoid when using an independent endurance brake (retarder) on slippery roads?
What should you do when an air-pressure warning device activates?
How can you help to prevent 'brake fade'?
What's 'brake fade'?
When should an endurance brake (retarder) be used?
You're driving a vehicle fitted with anti-lock brakes. What should you do when braking in an emergency?
Your vehicle is fitted with hydraulic brakes. Why might the brake pedal go down too far when it's pressed?
Your vehicle is fitted with a 'diff-lock'. When would you normally use it?
Your vehicle has anti-lock brakes. How does this affect you when you're braking normally?
What should you do when driving a large vehicle down a steep hill?
Your vehicle is fitted with an anti-lock braking system. When should you check that it's working properly?
Your lorry is stuck in snow. You use the diff-lock to move off. When should you switch the diff-lock off?
When would you use an escape lane?
When is trailer swing most likely to occur on a lorry and drawbar combination?
What should you do if the brake air-pressure warning light comes on while you're driving?
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