Practice UK Driving Theory Mock Test

1.When should you use your vehicle’s horn?

To signal your annoyance

To warn others of your presence

To allow you right of way

To greet other road users

Correct! Wrong!

01/45

Progress

2.What’s most likely to cause danger to a group of horse riders?

Leaving plenty of room

The noise of your vehicle

Reacting too early

Correct! Wrong!

02/45

Progress

3.Why are vehicles fitted with air suspension?

To improve fuel consumption

To help the driver stay awake

To reduce tyre wear

To reduce wear to road

Correct! Wrong!

03/45

Progress

4.You’re waiting to turn right in this lorry (arrowed). What danger should you be most aware of?

The hazard line

The motorcyclist

The ‘give way’ lines

The road surface

Correct! Wrong!

04/45

Progress

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

Put your foot on the footbrake

Signal to move off

Alter your seat position

Adjust your mirrors

Correct! Wrong!

05/45

Progress

6.When do drivers of long vehicles need to straddle lanes?

When coming to contraflow systems

When they need to avoid mounting the kerb

When driving on motorways

When they need to avoid braking sharply

Correct! Wrong!

06/45

Progress

7.What should you do if you start to feel tired or unable to concentrate while you’re driving?

Stop as soon as it's safe to do so

Wind down a window and carry on

Switch on the radio and complete your journey

Speed up to get to your destination sooner

Correct! Wrong!

07/45

Progress

8.What category of licence is required to drive an articulated bus?

D

D+E

D1

D1+E

Correct! Wrong!

08/45

Progress

9.What can you do to help maintain concentration while you’re driving?

Avoid meals containing bread

Have regular meals and rest breaks

Eat sugary snacks when on duty

Don't eat at all when on duty

Correct! Wrong!

09/45

Progress

10.You must have enough tachograph charts with you for your journey. When do you need to start a new chart?

Every 10 hours

Every 24 hours

Every 48 hours

Every 36 hours

Correct! Wrong!

010/45

Progress

11.You’re driving under EU tachograph regulations and lose your smart card. When must you inform the relevant authority?

Within 28 days

Within 14 days

Within 7 days

Within 5 days

Correct! Wrong!

011/45

Progress

12.You’re driving behind two cyclists. They’re approaching a roundabout in the left-hand lane. What should you expect them to do?

Turn right

Go straight ahead

Go in any direction

Turn left

Correct! Wrong!

012/45

Progress

13.Your vehicle suffers a tyre blow-out. How could this create a hazard for other road users?

Axle damage

Suspension failure

Skid marks

Scattered debris

Correct! Wrong!

013/45

Progress

14.What should you do at a zebra crossing?

Wave pedestrians to cross if you intend to wait for them

Park only on the zigzag lines on the left

Rev your engine to encourage pedestrians to cross quickly

Always leave the crossing clear in traffic queues

Correct! Wrong!

014/45

Progress

15.You’re driving an articulated lorry on a narrow road. There’s a left-hand bend ahead. Why may you need to move out before driving around the bend?

To make room for the trailer cutting in

To leave more room for braking

To make sure oncoming drivers see you

To prevent anyone from overtaking

Correct! Wrong!

015/45

Progress

16.What should you do when you have to travel a long distance?

Allow plenty of time for your journey

Prevent other drivers from overtaking

Avoid all national-speed-limit roads

Plan to go at busy times

Correct! Wrong!

016/45

Progress

17.What’s the minimum depth of tread required over three-quarters of the breadth of a lorry tyre?

1.5 mm

5 mm

1 mm

2.5 mm

Correct! Wrong!

017/45

Progress

18.When can you travel on the hard shoulder of a motorway?

When traffic is moving slowly

When signs show that you can

When traffic has stopped

When taking the next exit

Correct! Wrong!

018/45

Progress

19.You’re on a motorway, approaching a working snow plough. Why should you stay behind it?

It's illegal to overtake snow ploughs

Snow ploughs are left-hand-drive only

Your speed could cause snow to drift behind

There may be deep snow ahead

Correct! Wrong!

019/45

Progress

20.You’re driving a lorry of more than 7.5 tonnes maximum authorised mass along a motorway. When can you use the right-hand lane to overtake?

When there's a 50 mph speed limit

When the motorway has two lanes

When the motorway has three lanes

When there's a 40 mph speed limit

Correct! Wrong!

020/45

Progress

21.What’s the first thing you should check before moving to the right?

Behind, over your right shoulder

The offside mirror

Behind, over your left shoulder

The nearside mirror

Correct! Wrong!

021/45

Progress

22.You’re following a large vehicle. How can you improve your view ahead?

Drop further back

Overtake as soon as you can

Move over to the right

Move over to the left

Correct! Wrong!

022/45

Progress

23.What will a correctly adjusted air deflector do?

Save fuel

Cut loading time

Reduce road-surface wear

Reduce tyre wear

Correct! Wrong!

023/45

Progress

24.How frequently should the components of a fifth-wheel coupling be inspected?

Yearly

Monthly

Weekly

Daily

Correct! Wrong!

024/45

Progress

25.When is an articulated lorry most likely to jack-knife?

When it's unloaded

When its load is carried at the rear of the trailer

When it's carrying a high load

When it's fully loaded

Correct! Wrong!

025/45

Progress

26.What could you do to help a passenger who has difficulty walking?

Make sure the passenger has a window seat

Drive quickly, so that the passenger has a shorter journey

Suggest that the passenger stands near the door

Wait until the passenger has sat down before moving away

Correct! Wrong!

026/45

Progress

27.Why are energy-saving tyres effective?

They don't puncture at high speed

They have a reduced rolling resistance

They cost less to produce

They have no tread pattern

Correct! Wrong!

027/45

Progress

28.What does this marker count down to?

A concealed level crossing

A primary road junction

A roadside rest area

A motorway slip road

Correct! Wrong!

028/45

Progress

29.You’re approaching a green traffic light and are going straight ahead. What should you do when the traffic ahead, beyond the junction, has stopped and is queuing?

Stop across the junction until the traffic clears

Go forward if your vehicle will clear the junction

Drive slowly across the junction

Maintain your speed and sound your horn

Correct! Wrong!

029/45

Progress

30.What will cause your fuel consumption to increase?

Continuous use of the air suspension

Continuous use of the electrical retarder

Continuous use of the mirrors

Continuous use of the air conditioning

Correct! Wrong!

030/45

Progress

31.Brake fade’ is a loss of effectiveness of the brakes when they overheat. When would ‘brake fade’ be most likely to happen?

On a long uphill gradient

On the approach to hazards

On a long downhill gradient

On a long journey

Correct! Wrong!

031/45

Progress

32.How can you help to prevent ‘brake fade’?

Use the endurance brake

Apply the parking brake

Select neutral for a short distance

Repeatedly pump the brake pedal

Correct! Wrong!

032/45

Progress

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

Report it as a fault

Engage the clutch

Keep the parking brake on

Switch your engine off

Correct! Wrong!

033/45

Progress

34.An enforcement officer keeps your analogue tachograph records. How should they endorse the replacement charts?

With their home address

With their service number

With their name

With their date of birth

Correct! Wrong!

034/45

Progress

35.What can cause unnecessary pollution to the environment?

Regular servicing

Weak radiator coolant

Poorly maintained vehicles

High-level exhaust systems

Correct! Wrong!

035/45

Progress

36.What benefit is expected to come from having a Driver Certificate of Professional Competence (Driver CPC) qualification?

A reduction in vehicle tax

An exemption from tachograph regulations

An exemption from all congestion charges

A reduction in fuel consumption

Correct! Wrong!

036/45

Progress

37.You’re driving a lorry from a wet construction site onto a motorway. Why must you take extra precautions before leaving the site?

Your lorry’s spray-suppression equipment will be inoperative

It's an offence to deposit mud on a road

It's an offence to emerge from a works site onto a motorway

Your view from the cab will be obscured by plant machinery

Correct! Wrong!

037/45

Progress

38.When may hazard warning lights be used while driving?

To thank a driver who has let you move back to the left after overtaking

As a warning to drivers that you're towing another vehicle

To show you want to go ahead when your position suggests otherwise

When on motorways or dual carriageways, to warn drivers behind of a hazard ahead

Correct! Wrong!

038/45

Progress

39.What would staff from HM Revenue and Customs (HMRC) be looking for at a roadside check?

Vehicle defects

Red diesel

Exhaust emissions

Drivers' hours records

Correct! Wrong!

039/45

Progress

40.When does ‘brake fade’ occur?

When the brakes get too hot

When the brakes get too cold

When the brakes get too wet

When the brakes get too dry

Correct! Wrong!

040/45

Progress

41.You’re in the centre lane of a motorway, overtaking another vehicle. What should you do before returning to the left-hand lane?

Signal left, then check your mirror

Wait for the other driver to flash their headlights

Check ahead and then your nearside mirror

Check behind for fast traffic in the right-hand lane

Correct! Wrong!

041/45

Progress

42.What type of fastening or restraint should you use when carrying a load of steel?

Chains

Straps

Ropes

Sheeting

Correct! Wrong!

042/45

Progress

43.At a Driver and Vehicle Standards Agency (DVSA) roadside check, your vehicle is found to have serious defects and you may no longer use it. Who will DVSA share this information with?

The Driver and Vehicle Licensing Agency

The Traffic Commissioner

The Bus, Coach and Commercial Vehicle Council

The Road Transport Industry Training Body

Correct! Wrong!

043/45

Progress

44.Your lorry is stuck in snow. You use the diff-lock to move off. When should you switch the diff-lock off?

As soon as the vehicle is moving

Only after selecting top gear

As soon as the snow has cleared

Once the engine has warmed up

Correct! Wrong!

044/45

Progress

45.What should you do if you feel tired while driving on a motorway?

Stop on the hard shoulder for a rest

Try to complete your journey more quickly

Carry on, but drive slowly

Leave the motorway at the next exit

Correct! Wrong!

Sign Up/Sign In now to view your test results

Sign In

Sign Up to Unlock more Questions

Truck Test 15

1.When should you use your vehicle’s horn?

01/45

Progress

2.What’s most likely to cause danger to a group of horse riders?

02/45

Progress

3.Why are vehicles fitted with air suspension?

03/45

Progress

4.You’re waiting to turn right in this lorry (arrowed). What danger should you be most aware of?

04/45

Progress

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

05/45

Progress

6.When do drivers of long vehicles need to straddle lanes?

06/45

Progress

7.What should you do if you start to feel tired or unable to concentrate while you’re driving?

07/45

Progress

8.What category of licence is required to drive an articulated bus?

08/45

Progress

9.What can you do to help maintain concentration while you’re driving?

09/45

Progress

10.You must have enough tachograph charts with you for your journey. When do you need to start a new chart?

010/45

Progress

11.You’re driving under EU tachograph regulations and lose your smart card. When must you inform the relevant authority?

011/45

Progress

12.You’re driving behind two cyclists. They’re approaching a roundabout in the left-hand lane. What should you expect them to do?

012/45

Progress

13.Your vehicle suffers a tyre blow-out. How could this create a hazard for other road users?

013/45

Progress

14.What should you do at a zebra crossing?

014/45

Progress

15.You’re driving an articulated lorry on a narrow road. There’s a left-hand bend ahead. Why may you need to move out before driving around the bend?

015/45

Progress

16.What should you do when you have to travel a long distance?

016/45

Progress

17.What’s the minimum depth of tread required over three-quarters of the breadth of a lorry tyre?

017/45

Progress

18.When can you travel on the hard shoulder of a motorway?

018/45

Progress

19.You’re on a motorway, approaching a working snow plough. Why should you stay behind it?

019/45

Progress

20.You’re driving a lorry of more than 7.5 tonnes maximum authorised mass along a motorway. When can you use the right-hand lane to overtake?

020/45

Progress

21.What’s the first thing you should check before moving to the right?

021/45

Progress

22.You’re following a large vehicle. How can you improve your view ahead?

022/45

Progress

23.What will a correctly adjusted air deflector do?

023/45

Progress

24.How frequently should the components of a fifth-wheel coupling be inspected?

024/45

Progress

25.When is an articulated lorry most likely to jack-knife?

025/45

Progress

26.What could you do to help a passenger who has difficulty walking?

Ace the DMV Exam on
Your First Attempt