Theory Tester

50 Hardest Theory Test Questions

1

What can be affected by driving on under-inflated tyres?

Correct Answer: Braking ability.

Answered Correctly 30.117% of the time

4

If a vehicle being driven through a tunnel goes on fire, what should the driver do?

Correct Answer: Leave the vehicle immediately and use the emergency phone at the nearest emergency station.

Answered Correctly 37.405% of the time

5

What is the recommended minimum stopping distance for a car travelling at 50 km/h on a dry road?

Correct Answer: 25 metres.

Answered Correctly 39.017% of the time

6

What should a driver do if they see a red warning triangle on the road?

Correct Answer: The driver should slow down and expect a hazard up ahead.

Answered Correctly 43.669% of the time

7

What does this sign mean?

Correct Answer: Turn right only.

Answered Correctly 44.444% of the time

8

When is it permissible to overtake another vehicle on the nearside (left-hand side)?

Correct Answer: When the vehicle in front is signalling to turn right.

Answered Correctly 45.094% of the time

9

What does this sign mean?

Correct Answer: Tramway crossing ahead.

Answered Correctly 45.169% of the time

10

If driving from A to B, what do these road markings mean?

Correct Answer: A driver may overtake if it is safe to do so.

Answered Correctly 45.324% of the time

11

What does this sign mean?

Correct Answer: U-turn not permitted.

Answered Correctly 45.455% of the time

12

What does this sign mean?

Correct Answer: Low bridge up ahead.

Answered Correctly 45.745% of the time

13

In general how regularly should a vehicle be serviced?

Correct Answer: As per the manufacturer’s recommendation.

Answered Correctly 46.667% of the time

14

If driving a vehicle with automatic transmission, what in particular should a driver be aware of?

Correct Answer: That engine braking power is reduced.

Answered Correctly 47.489% of the time

15

In normal driving conditions on a motorway, which lane should the driver occupy?

Correct Answer: Drive in the nearside (left-hand) lane unless intending to overtake.

Answered Correctly 47.619% of the time

16

When approaching a roundabout, to whom should a driver give way?

Correct Answer: The driver must give way to traffic approaching from the right or already on the roundabout.

Answered Correctly 47.799% of the time

17

What does this sign mean?

Correct Answer: Dual carriageway ends.

Answered Correctly 48.98% of the time

19

When must a current tax disc be displayed on a new vehicle on a public road?

Correct Answer: At all times when the vehicle is on a public road.

Answered Correctly 49.198% of the time

20

What should a driver do if their vehicle breaks down in a tunnel?

Correct Answer: Use the emergency telephone to call for help.

Answered Correctly 49.25% of the time

21

When joining a motorway from a slip road, what should a driver do?

Correct Answer: Adjust speed to match that of the motorway traffic, and merge into a suitable gap.

Answered Correctly 49.406% of the time

22

What should a driver do if they wish to drive across a busy road and the traffic lights which normally control the junction are temporarily out of action?

Correct Answer: Take good observation, wait for a clear break in the traffic and proceed to cross the road safely.

Answered Correctly 50% of the time

23

What should a driver do if their vehicle breaks down or they are involved in a collision in a tunnel?

Correct Answer: Switch on hazard warning lights and walk to emergency station to call for help.

Answered Correctly 50% of the time

24

What lights should a driver have on when driving behind other traffic at night?

Correct Answer: Dipped headlights.

Answered Correctly 50% of the time

25

What does this sign mean?

Correct Answer: Y-junction where main road bears to the left.

Answered Correctly 50.122% of the time

26

What should a driver do when they want to use a mobile phone?

Correct Answer: Pull in and stop in a safe place.

Answered Correctly 50.388% of the time

27

If the vehicle’s oil-pressure gauge is reading low or the red oil-pressure warning light comes on, what should a driver do?

Correct Answer: Drive to a safe place, stop the vehicle and check the oil level.

Answered Correctly 50.773% of the time

28

What do these road markings mean?

Correct Answer: Continuous white lines ahead.

Answered Correctly 51.036% of the time

29

What lights should be shown on a parked car, tractor or works vehicle at night on an unlit public road?

Correct Answer: At least one side lamp front and rear on the side nearest the centre of the road.

Answered Correctly 51.629% of the time

30

When is jack-knifing most likely to occur?

Correct Answer: When trying to reduce speed sharply while travelling downhill.

Answered Correctly 52.328% of the time

31

After changing a wheel on a vehicle, which of the following should be checked after a short distance?

Correct Answer: The wheel nut tightness.

Answered Correctly 52.577% of the time

32

After a heavy downpour, why should a driver keep a greater distance from the vehicle in front?

Correct Answer: Because the required stopping distances is greater.

Answered Correctly 52.703% of the time

33

What are the possible consequences of having incorrectly adjusted headlights?

Correct Answer: Oncoming road users could be dazzled.

Answered Correctly 52.941% of the time

34

If a driver wishes to drive another vehicle which is not currently taxed, would they be allowed to transfer the current tax disc from their own vehicle onto it?

Correct Answer: Under no circumstances should a tax disc be transferred to another vehicle.

Answered Correctly 53.333% of the time

35

What effect could incorrectly aligned headlights have?

Correct Answer: They could dazzle oncoming drivers.

Answered Correctly 53.518% of the time

36

There are pedestrians on the footpath ahead and there are pools of water on the road. What should a driver do?

Correct Answer: Reduce speed and try to avoid the pools of water so as not to splash the pedestrians.

Answered Correctly 54.139% of the time

37

What does this sign mean?

Correct Answer: 200 metres to the next exit.

Answered Correctly 54.646% of the time

38

On a motorway, when should a driver use the hazard warning lights?

Correct Answer: When slowing down quickly because of danger ahead.

Answered Correctly 55.556% of the time

39

What is the effect on the control of the vehicle if there is a film of water between the vehicle’s tyres and the road surface?

Correct Answer: Steering and braking will be less effective.

Answered Correctly 55.714% of the time

40

When may you pass another vehicle on the left-hand side?

Correct Answer: When the vehicle in front is signalling to turn right or in slow moving lanes of traffic.

Answered Correctly 55.838% of the time

41

What does this road marking mean?

Correct Answer: All traffic must keep to the left of the white line.

Answered Correctly 56.171% of the time

42

When approaching the pedestrian crossing, what should the driver do in this situation?

Correct Answer: Slow down in good time and be prepared to stop.

Answered Correctly 56.335% of the time

43

A driver who is about to undertake a journey is upset or angry. What should they do?

Correct Answer: A driver should not drive until they are calm.

Answered Correctly 56.378% of the time

44

What should a driver do if their vehicle gets into a four-wheel sideways skid?

Correct Answer: Turn the steering wheel in the same direction as the skid and ease off the accelerator.

Answered Correctly 56.959% of the time

45

What does this sign mean?

Correct Answer: Clearway - no stopping or parking during the times shown.

Answered Correctly 57.431% of the time

46

What should a driver be alert to in this area?

Correct Answer: Pedestrians may cross between parked cars.

Answered Correctly 57.606% of the time

47

What should a driver do if their vehicle goes on fire in a tunnel?

Correct Answer: Leave the vehicle and follow the emergency escape route.

Answered Correctly 57.843% of the time

48

What does this sign mean?

Correct Answer: Staggered crossroads ahead with roads of equal importance.

Answered Correctly 58.019% of the time

49

What is the maximum speed allowed for cars and motorcycles on motorways?

Correct Answer: 120 km/h.

Answered Correctly 58.177% of the time

50

What does this road marking and information plate together mean?

Correct Answer: Parking not allowed at the times and days shown.

Answered Correctly 58.333% of the time

Last updated Thursday 12th December, 10:14pm