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Total Questions 47
Passing Marks 75%

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Braking systems

What could prevent air pressure from building up in an air-brake system in frosty weather?

What causes 'brake fade'?

Where must extra care be taken when using an endurance brake (retarder)?

You're driving down a long hill. What should you use to prevent the brakes from overheating?

You're about to move off in a vehicle that has automatic transmission. What must you do before you select 'D' (drive)?

You've just started the engine. What must you do if the brake air-pressure warning light is showing?

What should you do when driving a large vehicle down a steep hill?

www.drivingtheorytest.uk - Braking systems - What should you do when driving a large vehicle down a steep hill? When approaching a long hill, you should take note of any early warning signs. Reduce your speed and select the appropriate gear in good time. Using an endurance brake (retarder), if fitted, will help control your speed.

When does 'brake fade' occur?

What system is used to control a vehicle's speed without using the footbrake?

Your vehicle has anti-lock brakes. How does this affect you when you're braking normally?

Your vehicle is fitted with an anti-lock braking system. What's it designed to allow you to do?

Your vehicle is fitted with air-assisted hydraulic brakes. What would warn you that there isn't enough air in the system?

What should you do when making a short stop, facing uphill?

You're about to drive a vehicle fitted with hydraulic brakes. What should you check before driving the vehicle?

You're stationary. The brake air-pressure warning light comes on. Why should you keep the parking brake on?

Where would you see an escape lane?

www.drivingtheorytest.uk - Braking systems - Where would you see an escape lane? An escape lane is for use in emergencies, usually when brakes have become hot and faded or failed completely while descending a long, steep hill. A sign will show you the direction of the road, and a chequered area, usually straight ahead, defines the escape route.

You're about to drive an unfamiliar vehicle. What should you do if you think there may be moisture in the air-brake reservoir?

You're about to drive a vehicle fitted with air-assisted hydraulic brakes. Why might the brake pedal feel hard when you press it?

Your vehicle is fitted with hydraulic brakes. Why might the brake pedal go down too far when it's pressed?

How will anti-lock brakes improve your vehicle's safety?

What can coasting downhill seriously affect?

What should you do when an air-pressure warning device activates?

What's the most powerful brake on a bus?

What will 'pumping' the brake pedal in a vehicle fitted with anti-lock brakes cause?

Which coloured band on the rev counter makes the best use of engine braking?

www.drivingtheorytest.uk - Braking systems - Which coloured band on the rev counter makes the best use of engine braking? There are usually four coloured bands on the rev counter: green, amber, blue and red. The blue band will allow you to make the best use of engine braking. Try to keep in this band when going down a steep hill.

You're driving down a snow-covered hill. Why should you take care when using an independent endurance brake (retarder)?

What should you avoid when using an independent endurance brake (retarder) on slippery roads?

When should an anti-lock braking system (ABS) warning light turn off?

How can you help to prevent 'brake fade'?

When should an endurance brake (retarder) be used?

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 can an endurance brake (retarder) be especially useful?

Which component will last longer when you use a retarder?

What should you do if the brake air-pressure warning light comes on while you're driving?

What's an advantage of progressive braking?

Your vehicle is fitted with an anti-lock braking system. When should you check that it's working properly?

You're driving a vehicle fitted with anti-lock brakes. What should you do when braking in an emergency?

Your vehicle is fitted with an air-assisted hydraulic braking system. What would warn you that the vacuum pump isn't working?

Your vehicle is fitted with air-assisted hydraulic brakes. What fault would you suspect if the brake pedal becomes hard to press?

Your vehicle is fitted with air brakes. What does it mean if a brake warning light shows when you've just started the engine?

What's 'brake fade'?

You're about to start a journey in very frosty weather. What's the likely cause of low air-brake pressure?

What should you do after driving through a flood?

What should anti-lock brakes let you do when you have to stop in an emergency?

When would you use an escape lane?

www.drivingtheorytest.uk - Braking systems - When would you use an escape lane? Escape lanes are found on steep downhill sections of road. They're designed to give a 'run-off' area, usually straight ahead, to allow vehicles to stop in an emergency. This is usually when brakes have faded or failed on large vehicles.

'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 fully loaded. Where should you be braking when dealing with bends?

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