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Topics: Braking Systems

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