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: Technical Matters

1. What is the purpose of engine oil?

It lubricates the braking system

It lubricates the engine

It lubricates the wheel bearings

It lubricates the exhaust system

2 / 40

Category: Control of Vehicle

2. What type of noise might fast cornering create?

Engine backfire

Tyre squeal

Brake squeal

Exhaust backfire

3 / 40

Category: Legal Matters/Rules of the Road

3. When traffic lights are green, when should a driver not proceed?

When it would be unsafe to do so

When traffic is stopped waiting to turn from the road on the left

When traffic is stopped waiting to turn from the road on the right

When oncoming traffic is waiting to turn left

4 / 40

Category: Safe and Socially Responsible Driving

4. Is tailgating allowed on a motorway or dual carriageway?

Yes, because there is oncoming traffic

No, because other vehicles do not have room to overtake

Yes, because all traffic moves in the one direction at the same time

No, because the vehicle in front may stop suddenly

5 / 40

Category: Legal Matters/Rules of the Road

5. Where can drivers locate the Maximum Authorised Mass (MAM) of their vehicle?

On the tax disc

On a metal plate on the vehicle

On the insurance disc

On the NCT disc

6 / 40

Category: Legal Matters/Rules of the Road

6. What does this hand signal mean?

The driver intends to move out or turn right.

The driver intends to turn left

The driver intends to do a U-turn

The driver intends to stop ahead

The driver intends to move out or turn right

7 / 40

Category: Managing Risk

7. What should a driver do when driving in heavy rain?

Weave the vehicle slightly in order to improve tyre grip.

Increase speed so that the vehicle will glide over any standing water.

Be aware that the vehicle may slide or ‘aquaplane’.

Maintain normal speeds as on a dry road.

8 / 40

Category: Managing Risk

8. What type of drink should be given to a person who has been injured in a collision?

No drink should be given

A non-alcoholic drink

A cold drink

A hot drink

9 / 40

Category: Managing Risk

9. What effect can overloading a vehicle have on its road-holding?

The load can make the vehicle more difficult to control, but only when reversing

Provided the load is evenly distributed, it improves the stability of the vehicle

The load can make the vehicle more difficult to control

The load can make the vehicle more difficult to control, but only when going downhill

10 / 40

Category: Safe and Socially Responsible Driving

10. What should the driver do if there are cattle on the road ahead?

The driver should sound the horn, switch on headlights, reduce speed and pass with care

The driver should reduce speed and pass them with care

The driver should sound the horn to try to get the cattle to move aside

The driver should switch on the headlights and try to pass as quickly as possible

11 / 40

Category: Safe and Socially Responsible Driving

11. What should a driver do if a bus in front has moved out to make a left-hand turn and there is oncoming traffic?

Stay back and allow the bus to complete the turn

Maintain speed until up close behind the bus

Overtake on the left-hand side

Overtake on the right-hand side

12 / 40

Category: Legal Matters/Rules of the Road

12. When can the holder of a Category W learner permit carry a passenger?

Only when the passenger also holds a Category W driving licence

Only when the passenger holds a Category AM driving licence

Only when the passenger also holds a Category W driving licence and the vehicle is designed to carry a passenger

Only when the passenger holds a Category AM driving licence and the vehicle is designed to carry a passenger

13 / 40

Category: Managing Risk

13. What should a driver do when requested to drive a vehicle that they feel is overloaded?

Refuse to drive the vehicle

Ensure that the load is properly restrained

Drive the vehicle only if accompanied

Drive at a slower speed than normal

14 / 40

Category: Legal Matters/Rules of the Road

14. What does this sign mean?

Diversion to the left ahead

Sharp corner to the left ahead

One-way traffic to the left ahead

Turn left ahead

15 / 40

Category: Legal Matters/Rules of the Road

15. When is parking permitted on a footpath?

It is never permitted to park on a footpath

When cars are parked on both sides of the road

When no more than half of the vehicle is on the footpath

When at least half of the footpath remains free for pedestrians

16 / 40

Category: Safe and Socially Responsible Driving

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

Drive with sidelights and fog lights

Drive with sidelights and hazard warning lights

Drive with full headlights and fog lights

Drive with dipped headlights and fog lights

17 / 40

Category: Managing Risk

17. What lighting must be on a tractors trailer during lighting-up hours?

An unloading light.

Indicators, two white or yellow headlamps and rear number plate lights only.

Brake lights and indicators only.

Indicators, brake lights, rear number plate light, red reflectors and rear tail lights.

18 / 40

Category: Safe and Socially Responsible Driving

18. When driving behind a heavy goods vehicle that is signalling to turn right, what should a driver do?

Sound the horn and overtake the heavy goods vehicle on the right

See if the vehicle can complete the turn without stopping, and if not, overtake it yourself

Overtake it slowly on the inside by driving partly on the footpath if necessary

Stay behind until there is sufficient space to overtake it on the inside or until it has completed the turn

19 / 40

Category: Technical Matters

19. What should a driver do before checking the engine oil level on a vehicle?

Make sure that the engine is running

Make sure that the engine is switched on and hot

Make sure that the engine is switched off and cold

Make sure that the vehicle is in a low gear

20 / 40

Category: Legal Matters/Rules of the Road

20. What does this sign mean?

Racecourse ahead

Entrance to horse riding school

Riding path - no vehicles allowed

Accompanied horses and ponies ahead

21 / 40

Category: Safe and Socially Responsible Driving

21. What should the driver be aware of when crossing road markings such as lines and directional arrows in wet weather?

Steering control is improved

The tyre grip is improved

The required stopping distance is reduced due to improved tyre grip

The required stopping distance is increased due to reduced tyre grip

22 / 40

Category: Legal Matters/Rules of the Road

22. What does this sign mean?

Y-junction where main road bears to the right.

Y-junction where main road bears to the left.

Y-junction where vehicles must go left.

Y-junction where heavy vehicles must go left.

23 / 40

Category: Managing Risk

23. On a 2-lane motorway, what procedure should a driver adopt when wishing to overtake another vehicle safely?

Use their mirrors, signal and overtake in the left-hand lane only.

Use their mirrors, signal and overtake in the right-hand lane when it is safe to do so.

Signal, use their mirrors and overtake in any available lane when it is safe to do so.

Check for following traffic and overtake in either lane.

24 / 40

Category: Managing Risk

24. What should a driver do before towing a caravan?

Have an extended mirror fitted to the driver's side of the vehicle only

Have extended mirrors fitted to the towing vehicle

Ensure all passengers are securely seated in the caravan

Ensure that only adult passengers are seated in the caravan

25 / 40

Category: Managing Risk

25. With regard to tyres, what should a driver do before starting a long journey?

Increase the air pressure in the tyres

Reduce the air pressure in the tyres

Reduce front tyre air pressure and increase rear tyre air pressure

Check the tyres are inflated to normal air pressure

26 / 40

Category: Legal Matters/Rules of the Road

26. Which vehicle is exempt from speed limits when being used in an emergency?

Mountain rescue

Garda

Doctor on call

Breakdown recovery

27 / 40

Category: Managing Risk

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

The wheel nuts

The air valve

The brake pad clearance

The tyre tread depth

28 / 40

Category: Legal Matters/Rules of the Road

28. What is the purpose of traffic calming measures?

To alert drivers to road flooding ahead

To slow down traffic in the vicinity

To prioritise heavy goods traffic

To inform the driver of an increased speed limit ahead

29 / 40

Category: Technical Matters

29. What does Anti-lock braking system (ABS) do?

ABS locks the brakes to prevent skidding during harsh braking

ABS deploys the airbags during a collision

ABS prevents the wheels from locking under harsh braking conditions

ABS displays the name of the radio station playing on the car radio

30 / 40

Category: Safe and Socially Responsible Driving

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

Move back in front of the vehicle and reduce speed

Continue to signal right for a distance

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

Move immediately into the left after passing the vehicle

31 / 40

Category: Legal Matters/Rules of the Road

31. Who can use a signed cycle track accompanied by a continuous white line on the left-hand side?

Drivers, when it is not being used by a cyclist

Cyclists and users of motorised wheelchairs

Drivers when overtaking a vehicle turning right

Cyclists and motorcyclists

32 / 40

Category: Safe and Socially Responsible Driving

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

Apply the brakes regularly to prevent them from freezing.

Only use a low gear to improve traction.

Avoid harsh braking, steering and acceleration.

Apply the brakes regularly to check road surface.

33 / 40

Category: Safe and Socially Responsible Driving

33. When driving late at night what should a driver be aware of?

That trucks may drive in the outside lane of a motorway.

That there is a danger of themselves or other drivers falling asleep.

That speed limits do not apply between midnight and 6 am.

That all pedestrians will be wearing high visibility clothing.

34 / 40

Category: Legal Matters/Rules of the Road

34. What does this sign mean?

Roads closed ahead to both left and right

Staggered crossroads ahead with roads of equal importance

Cul-de-sac to both left and right

Traffic calming ramps ahead

35 / 40

Category: Legal Matters/Rules of the Road

35. What does this road marking mean?

Set down area only

No parking in this area

A driver may overtake in this area

Road surface is uneven

36 / 40

Category: Legal Matters/Rules of the Road

36. What does this sign mean?

Level crossing ahead unguarded by gates or barriers sign

End of major roadworks ahead

Level crossing ahead guarded by gates or barriers

Major roadworks ahead

Level crossing ahead unguarded by gates or barriers

37 / 40

Category: Safe and Socially Responsible Driving

37. When is it safe for a driver to use the main beam headlights when driving at night?

This practice is not permitted.

When following a vehicle a short distance ahead.

When there is no oncoming traffic.

In built up areas where there is good street lighting.

38 / 40

Category: Legal Matters/Rules of the Road

38. Where is a driver allowed to park?

On a footpath

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

At road works

39 / 40

Category: Legal Matters/Rules of the Road

39. Who is entitled to see a driver's vehicle registration document?

A member of the car recovery company or anyone assisting in the recovery

Any fire brigade or ambulance personnel at the scene of a collision the driver has been involved in

A Garda may ask you to produce the vehicles registration document at a named Garda station

Any person with whom the driver is involved in a collision

40 / 40

Category: Managing Risk

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

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.

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

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

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
27/01/2026	Questions & Explanations Updated / Added	MC
03/06/2026	Corrected a bug Where 14 Questions Would Display any Chosen Answer as Wrong	MC

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