When is trailer swing most likely to occur on a lorry and drawbar combination?
Your vehicle is fitted with a 'diff-lock'. When would you normally use it?
What colour is the auxiliary line on a three-line braking system?
The emergency line is common to both two-line and three-line brake systems. What colour is it?
Air-brake systems usually have two lines. Which additional line is fitted on a three-line system?
In frosty weather, what precaution could a lorry driver take to prevent moisture from freezing in the air-brake system?
How can a lorry driver avoid brake fade?
When are exhaust brakes most efficient?
What's the principal braking system on a lorry called?
You're driving an articulated lorry. What could happen if you change to a lower gear while you're going too fast?
When is an articulated vehicle most at risk of jack-knifing?
Your lorry is stuck in snow. You use the diff-lock to move off. When should you switch the diff-lock off?
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 an articulated lorry that has three air lines connected to the trailer. What's the purpose of the red line?
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?
Your lorry is equipped with anti-lock brakes. What's the correct procedure for stopping in an emergency?
What does changing to a lower gear on a long downhill gradient help to avoid?
You have to drive onto a muddy building site. Why should you switch on your diff-lock?
How will anti-lock brakes improve your vehicle's safety?
What could prevent air pressure from building up in an air-brake system in frosty weather?
What should you do if the brake air-pressure warning light comes on while you're driving?
You've just started the engine. What must you do if the brake air-pressure warning light is showing?
Your vehicle is fitted with an anti-lock braking system. What's it designed to allow you to do?
Your vehicle is fitted with an anti-lock braking system. When should you check that it's working properly?
What will 'pumping' the brake pedal in a vehicle fitted with anti-lock brakes cause?
You're driving a vehicle fitted with anti-lock brakes. What should you do when braking in an emergency?
What's 'brake fade'?
'Brake fade' is a loss of effectiveness of the brakes when they overheat. When would 'brake fade' be most likely to happen?
What should you do when driving a large vehicle down a steep hill?
What should anti-lock brakes let you do when you have to stop in an emergency?
Your vehicle has anti-lock brakes. How does this affect you when you're braking normally?
Where would you see an escape lane?
When would you use an escape lane?
When can an endurance brake (retarder) be especially useful?
You're driving down a long hill. What should you use to prevent the brakes from overheating?
What system is used to control a vehicle's speed without using the footbrake?
When should an endurance brake (retarder) be used?
Your vehicle is fully loaded. Where should you be braking when dealing with bends?
A lorry is overtaking you on a two-lane motorway. What should you do if it doesn't have the speed to get past?
What should you do after driving through a flood?
What can coasting downhill seriously affect?
When does 'brake fade' occur?
How can you help to prevent 'brake fade'?
What causes 'brake fade'?
Where must extra care be taken when using an endurance brake (retarder)?
You're stationary. The brake air-pressure warning light comes on. Why should you keep the parking brake on?
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 an air-assisted hydraulic braking system. What would warn you that the vacuum pump isn't working?
Your vehicle is fitted with hydraulic brakes. Why might the brake pedal go down too far when it's pressed?
You're about to drive a vehicle fitted with hydraulic brakes. What should you check before driving the vehicle?
Your vehicle is fitted with air-assisted hydraulic brakes. What would warn you that there isn't enough air in the system?
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?
Your vehicle is fitted with air-assisted hydraulic brakes. What fault would you suspect if the brake pedal becomes hard to press?
Which component will last longer when you use a retarder?
What should you do when an air-pressure warning device activates?
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?
You're about to drive an unfamiliar vehicle. What should you do if you think there may be moisture in the air-brake reservoir?
Why are goods vehicle drivers' hours of work controlled?
What does controlling goods vehicle drivers' hours help to improve?
What must you do when driving under the rules for domestic drivers' hours?
You must have enough tachograph charts with you for your journey. When do you need to start a new chart?
What period of time does one tachograph chart cover?
What should you do if your tachograph chart becomes dirty or damaged?
During your break, your vehicle will be moved by another person. What should you do with the tachograph chart?
You've been driving a lorry without a break for four-and-a-half hours. Under EU rules, you must now take a break. How long must this break be?
You're driving a lorry on a motorway and you start to feel drowsy. What should you do when there are no service areas or exits for some distance?
You're driving a lorry. During the journey you begin to feel ill and are unable to concentrate. What should you do?
What should you do to prevent your load from being stolen?
How can you reduce the likelihood of theft of your load when leaving your vehicle overnight?
What security precautions should you take if you're carrying a high-value load and have to park and sleep overnight in the cab?
You're often involved in the carrying of high-value goods. What security measures can you adopt?
Where should you park your trailer if you have to leave it unattended?
When should your trailer be fitted with a kingpin or drawbar lock?
Before starting driving, which of the following should you complete on the centre field of your tachograph chart?
During your working day, you change to another vehicle with the same type of tachograph. How should you keep your tachograph record up-to-date?
Which of the following is good practice in keeping your lorry and its load safe?
You're driving a lorry at night. What can you do to help yourself stay alert?
How can you reduce the risk of your lorry or trailer being stolen?
You're planning to carry high-value goods on a regular basis. Whose advice should you seek?
What period of time makes up a driver's week?
While you're driving, you notice your tachograph isn't working. What should you do?
What can happen to drivers who break EU tachograph regulations?
What must you do when using a vehicle fitted with an analogue tachograph?
The analogue tachograph on your vehicle becomes faulty. How long do you have before you must have it repaired?
An enforcement officer keeps one of your tachograph charts. Who should sign the back of the replacement chart?
An enforcement officer keeps your analogue tachograph records. How should they endorse the replacement charts?
Why should you carry spare tachograph charts?
Under EU rules, a driver must take regular breaks from driving. What maximum period of continuous driving is allowed?
You've been driving non-stop since 5.00 am. The time is now 9.30 am. Under EU rules, what length of break must you take?
Under EU rules, what's the maximum daily driving time allowed?
Under EU rules, your minimum daily rest is 11 hours. On three days of the week this may be reduced to what length of time?
Under EU rules, your daily rest can be reduced to 9 hours. For how many times between weekly rest periods is this allowed?
Under EU rules, how long should your normal daily rest period be?
Under EU rules, what's the normal weekly rest period that must be taken?
A vehicle fitted with an analogue tachograph has two drivers. How should they use the tachograph?
You're making a journey with a co-driver. When the other person is driving, how should you show this time?
What does a tachograph record?
Which symbol on your tachograph shows your break/rest period?
Driving Theory Test is the online platform for UK drivers that want to study and pass the UK theory test on their first try. The system is designed to teach you the study material interactively. Plus, our practice questions cover all sections of the Highway Code. So, you have a comprehensive review of all the need-to-know information to sit the DVSA theory test.
