Mock Theory Test

Practice Your RSA Theory Test

Our mock theory test allows you to practice your category 'B' (Car) theory test. We cover the five core areas that you will be tested on:

Control of the Vehicle
Legal Matters / Rules of the Road
Managing Risk
Safe and Socially Responsible Driving
Technical Matters

You have forty-five minutes to answer forty questions and must answer at least thirty-five correctly to pass.

Want to brush up on just your road signs before your test? Try our Irish Road Sign test.

Good luck!

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1 / 40

Category: Managing Risk

1. What is the minimum legal tread depth for tyres on cars?

1.6 millimetres

1 millimetre

0.6 millimetres

2.6 millimetres

2 / 40

Category: Safe and Socially Responsible Driving

2. Why does it take longer to stop the vehicle on a wet road?

The brake fluid is less effective in wet weather

The tyres have more grip than in dry weather

The tyres have less road grip than in dry weather

The suspension of the vehicle is lighter in wet weather

3 / 40

Category: Safe and Socially Responsible Driving

3. What effect does patches of oil or diesel have on a road surface?

It improves the vehicle's braking ability

It increases tyre surface noise

It reduces the tyre surface grip

It improves tyre surface grip

4 / 40

Category: Legal Matters/Rules of the Road

4. What restriction applies to a driver's full licence if they have passed their test on a vehicle with automatic transmission?

They may not drive on motorways

They may not drive vehicles with manual transmission

They may not drive at speeds of more that 80 km/h

They must continue to display L-plates

5 / 40

Category: Managing Risk

5. When a wiper blade fails to clear the windscreen what should the driver do?

Have the wiper blades replaced as soon as possible.

Bend the wiper arm to apply more pressure on the windscreen.

Switch the wiper control from high speed to low speed repeatedly.

Apply a light film of oil to both of the wiper blades.

6 / 40

Category: Control of Vehicle

6. What type of noise might fast cornering create?

Brake squeal

Engine backfire

Tyre squeal

Exhaust backfire

7 / 40

Category: Managing Risk

7. What should a driver do before turning right from a major road into a minor road?

Yield right of way to oncoming traffic and to pedestrians crossing at the junction.

Stop and signal traffic to exit right from the minor road.

Commence turn in front of oncoming traffic as they must yield to traffic turning right

Stop and signal traffic to exit left from the minor road.

8 / 40

Category: Safe and Socially Responsible Driving

8. What should a driver do when approaching a junction normally controlled by traffic lights and the traffic lights are not lighting?

Stop at the junction and give way to traffic on the left

Treat it as an unmarked junction and proceed cautiously while watching out for other traffic

Proceed smartly through the junction to avoid delay

Switch on headlights, move to centre of the junction and proceed as quickly as possible

9 / 40

Category: Safe and Socially Responsible Driving

9. In dry weather how might a driver judge what is a safe following distance to vehicle in front?

Allow a least two vehicle lengths for each kilometre per hour

Drive at the same speed as the vehicle in front

By using a fixed point and applying the two second rule

By allowing at least two vehicle lengths between the vehicles

10 / 40

Category: Technical Matters

10. What is the primary purpose of the battery fitted to a petrol - or diesel - powered motor vehicle?

To start the engine

To provide braking

To provide heat to the engine

To reduce fuel consumption

11 / 40

Category: Legal Matters/Rules of the Road

11. Is a driver allowed to use rebated (green) diesel fuel in a car on a public road?

Green diesel may be used in a car only if the car is a taxis

Green diesel may be used in a car only in summer months

Green diesel may be used in a car only in winter months

Green diesel may never be used in a car

12 / 40

Category: Safe and Socially Responsible Driving

12. What should a driver who wishes to perform a turnabout do?

Check ahead and behind for oncoming traffic and turn briskly while still keeping a look out

Drive onto a footpath if necessary in order to ensure that they have sufficient room to turn

Drive into somebody?s driveway and reverse back onto the road

It is not permissible to perform a turnabout in any circumstance

13 / 40

Category: Legal Matters/Rules of the Road

13. Where is a driver allowed to park?

Where there is a continuous white line along the centre of the road

Where the driver is not blocking other road users their view of traffic signals or the road ahead

On a footpath

At road works

14 / 40

Category: Technical Matters

14. Under what circumstances could both cross-ply and radial tyres be fitted to a vehicle?

When heavy loads are being carried

When each type is fitted on a different axle

When towing a trailer in snow

When driving in slippery road conditions

15 / 40

Category: Legal Matters/Rules of the Road

15. When must drivers stop at an automated railway level crossing with barriers and red flashing lights?

When the red and amber lights stop flashing

When there are no lights visible

Stop safely when the amber light shows, or when red lights start to flash

When the barrier is fully up

16 / 40

Category: Technical Matters

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

The tyre tread depth

The tyre air valve

The brake pad clearance

The wheel nut tightness

17 / 40

Category: Legal Matters/Rules of the Road

17. What does this sign mean?

T-junction ahead with roads of equal importance.

T-junction ahead with merging traffic.

T-junction ahead with dual carriageway.

T-junction ahead with road of less importance.

18 / 40

Category: Managing Risk

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

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

Drive in the offside (right-hand) lane as the nearside (left-hand) lane is for HGVs and buses only

Drive in the offside (right-hand) lane unless intending to take a left exit.

Constantly manoeuvre between whichever lane has the least volume of traffic.

19 / 40

Category: Safe and Socially Responsible Driving

19. What do flashing amber beacons on an oncoming vehicle alert a driver to?

That the oncoming vehicle is fast moving

That the oncoming vehicle may be slow moving or extra wide

That the oncoming vehicle is an emergency vehicle

That the oncoming vehicle is a military vehicle

20 / 40

Category: Technical Matters

20. What does the warning light and/or red zone on a fuel gauge mean?

The level of fuel in the tank is low

There is a leak in the fuel system

The fuel tank has been over-filled.

There is leaded fuel in the tank

21 / 40

Category: Legal Matters/Rules of the Road

21. What does this sign mean?

Three hundred meters to the next exit

Crossing traffic ahead

Three lanes ahead

Parking for three vehicles only

22 / 40

Category: Safe and Socially Responsible Driving

22. What lights should a driver use when driving in dense fog?

Drive with dipped headlights and fog lights

Drive with full headlights and fog lights

Drive with sidelights and fog lights

Drive with sidelights and hazard warning lights

23 / 40

Category: Managing Risk

23. What should a driver do if they drive past their intended exit by mistake?

Carefully complete a U-turn.

Drive on and leave at the next exit.

Stop on the hard shoulder and reverse back to the exit.

Use the emergency telephone to ask for advice

24 / 40

Category: Safe and Socially Responsible Driving

24. What should a driver do if there is black ice on the road?

Apply the brakes regularly to prevent them from freezing.

Avoid harsh braking, steering and acceleration.

Only use a low gear to improve traction.

Apply the brakes regularly to check road surface.

25 / 40

Category: Safe and Socially Responsible Driving

25. What should a driver do if they see horse riders on the road ahead?

The driver should increase speed and allow extra clearance

The driver should turn on hazard warning lights and continue at normal speed

The driver should reduce speed, allow extra clearance and pass with care

The driver should reduce speed and sound the horn

26 / 40

Category: Managing Risk

26. After changing a wheel on a vehicle, which of the following should be checked soon afterwards?

The wheel nuts

The air valve

The tyre tread depth

The brake pad clearance

27 / 40

Category: Managing Risk

27. What danger could be associated with driving a tractor and trailer over a humpbacked bridge?

The tractor's suspension could smooth out the bump

The trailer could become detached

The trailer's parking brake could automatically engage

The trailer could jack-knife

28 / 40

Category: Legal Matters/Rules of the Road

28. What does this sign mean?

Junction to the left.

Dangerous corner ahead.

Dangerous bend ahead.

One-way street ahead.

29 / 40

Category: Managing Risk

29. While driving, a driver notices a strong smell of fuel. What should they do?

Open the windows and continue on

Turn on the fan to clear the air

Drive at a reduced speed

Stop where safe and investigate

30 / 40

Category: Control of Vehicle

30. What can cause a vehicle to skid?

Stopping in fourth gear

Coasting to a stop

Excessive heavy braking

Controlled acceleration

31 / 40

Category: Managing Risk

31. What should a driver do if a red system warning light lights up on the dashboard of their vehicle?

Stop and investigate the cause

Continue on and listen for any unusual sounds

Continue on and see if it goes out

Drive to the nearest garage and have it checked

32 / 40

Category: Legal Matters/Rules of the Road

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

A driver may overtake if it is safe to do so

A driver may not overtake

Dual carriageway ahead

Road narrows ahead

33 / 40

Category: Managing Risk

33. What should a driver do where a person has been injured in a collision?

Move the victim only if there is a risk of fire or further injury

Move the victim to the side of the road

Always move the victim and the vehicles

Move the vehicles out of the way to avoid causing obstruction

34 / 40

Category: Safe and Socially Responsible Driving

34. What should a driver do in a queue of traffic controlled by traffic lights?

Overtake on the left and move to the head of the queue if there is space available

Put on a right signal to prevent following vehicles from overtaking

A driver should maintain their position in the queue

Overtake on the right and move to the head of the queue if there is space available

35 / 40

Category: Legal Matters/Rules of the Road

35. What does this sign mean?

Only buses and cyclists may park during the times indicated.

Only cyclists and buses are allowed to use the lane during the times indicated.

Only buses, cyclists and taxis are allowed to use the lane ahead during the hours indicated.

Only buses, cyclists and taxis are allowed to use the lane outside the hours indicated.

36 / 40

Category: Safe and Socially Responsible Driving

36. How does giving a late signal affect other road users?

They are not affected

They may not have been given sufficient time to react

It only affects other road users at traffic lights

It only affects other road users at roundabouts

37 / 40

Category: Managing Risk

37. What may the hard shoulder of a motorway be used for?

Stopping in an emergency.

Exiting the motorway.

Stopping to use a mobile phone.

Joining the motorway.

38 / 40

Category: Legal Matters/Rules of the Road

38. When must the holder of a learner permit display L-plates on their car?

During daylight hours

When driving to and from work

At all times when driving

When driving on their first learner permit

39 / 40

Category: Safe and Socially Responsible Driving

39. After overtaking another vehicle, what should a driver do?

Continue to signal right for a distance

Move immediately into the left after passing the vehicle

Gradually move back into the left when the vehicle has been passed

Move back in front of the vehicle and reduce speed

40 / 40

Category: Managing Risk

40. What is the danger in driving at high speeds on wet roads?

Danger that tyre pressure will automatically increase.

There is no danger provided that the tyre pressure has been reduced to take account of weather conditions.

There is no danger provided that the tyre pressure has been increased to take account of weather conditions.

Danger of ‘aquaplaning’ or sliding across the road surface

Your score is

Disclaimer

This is completely free to use as often as you like. We try to ensure all the questions' accuracy and validity and keep them updated with the official RSA theory test questions. The tests try to simulate the real experience as much as possible. Like the actual test, you are given 45 minutes to complete the test. At the end of each test, you are given your result and can review your incorrect answers to see where you went wrong. If you see any errors or omissions, please get in touch with us.

Version Control

Date	Changes	By Whom
25/10/2023	Theory test created.	MC
14/03/2024	Questions Updated / Added	MC
29/05/2024	Questions & Explanations Updated / Added	MC
04/06/2024	Questions & Explanations Updated / Added	MC
18/06/2024	Questions & Explanations Updated / Added	MC
23/09/2025	Questions & Explanations Updated / Added	MC