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 can be affected by driving on under-inflated tyres?

The exhaust system

Fuel consumption

Oil pressure

The coolant system

2 / 40

Category: Managing Risk

2. On a narrow busy road, what should pedestrians do when walking?

Walk in groups of no more than three.

Walk in single file.

Walk two abreast.

Walk more than two abreast.

3 / 40

Category: Safe and Socially Responsible Driving

3. Why is tailgating (driving too close behind the vehicle in front) dangerous?

The vehicle will exceed the speed limit

The vehicle will not have sufficient distance to stop safely in an emergency

The engine may overheat because of restricted air flow over the vehicle's engine

The braking system is less efficient in the slipstream of the vehicle in front

4 / 40

Category: Legal Matters/Rules of the Road

4. What does this sign mean?

Crossroads with dual carriageway ahead.

Level crossing ahead guarded by gates.

Unguarded level crossing ahead.

T-junction with crossroads ahead.

5 / 40

Category: Safe and Socially Responsible Driving

5. How is a learner driver likely to react in unusual traffic situations?

Slower than an experienced driver

Quicker than an experienced driver

Better than an experienced driver

In the same way as an experienced driver

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6 / 40

Category: Legal Matters/Rules of the Road

6. What is the purpose of traffic calming measures?

To inform the driver of an increased speed limit ahead

To alert drivers to road flooding ahead

To slow down traffic in the vicinity

To prioritise heavy goods traffic

7 / 40

Category: Legal Matters/Rules of the Road

7. What does this sign mean?

Overhead electric cables

Radio transmission mast ahead

Sharp corners ahead

Crosswinds ahead

8 / 40

Category: Technical Matters

8. While driving at higher speeds, what does a continuous vibration in the steering indicate?

The wheel balance is uneven

Weight distribution is uneven

The shock absorbers are worn

The steering is out of alignment

9 / 40

Category: Legal Matters/Rules of the Road

9. When a driver wishes to drive a vehicle and they are not sure if they are covered by insurance, what should they do?

They should check with their local Garda Station to see if they are insured

They should not drive until their insurance company confirms that they are insured

They should check with their local NDLS office to see if they are insured

They should check with their local Motor Taxation Office to see if they are insured

10 / 40

Category: Managing Risk

10. What does worn tread along the edge of the inside of a tyre suggest?

Air pressure is low

Air pressure is high

The vehicle has been driven too fast around corners

Steering alignment may be faulty

11 / 40

Category: Safe and Socially Responsible Driving

11. What should a driver be aware of before crossing railway or tram lines?

The tyre grip may be improved crossing the rails

There may be a reduction in tyre noise while crossing the rails

The wheels may become caught in the rails, causing the tyres to deflate

There may be an uneven surface and tyre grip may be reduced when crossing the rails

12 / 40

Category: Legal Matters/Rules of the Road

12. What does this sign mean?

Emerging vehicles have priority. The driver must stop if necessary

The driver must stop when red lights show

Stop and wait for green light before proceeding

The driver must stop when vehicles ahead show brake lights

13 / 40

Category: Legal Matters/Rules of the Road

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

Any person with whom the driver is involved in a collision

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

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

14 / 40

Category: Safe and Socially Responsible Driving

14. When dazzled by the lights of an oncoming vehicle, what should a driver do?

Shield their eyes with their hand.

Turn their head to the right.

Do not look directly at the lights.

Look at the dashboard momentarily.

15 / 40

Category: Managing Risk

15. How does driving at high speed affect a vehicle?s road holding?

The road holding ability of the vehicle is reduced

The wheel alignment keeps the tyres in full contact with the road

The road holding ability of the vehicle is increased

The suspension compensates for any unevenness in the road surface

16 / 40

Category: Managing Risk

16. 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

17 / 40

Category: Legal Matters/Rules of the Road

17. Is it permitted to use a vehicle in a public place without a current tax disc displayed?

Yes, but for not more than 10 days after the expiry of the previous disc

Yes, but for not more than one month after the expiry of the previous disc

No, only vintage vehicles are exempt from displaying a tax disc

No, all motor vehicles must display a current tax disc

18 / 40

Category: Technical Matters

18. What happens if the vehicle has a flat battery?

The battery will leak acid into the engine

The head light bulbs will have to be replaced

The engine will not start.

The battery will have to be replaced

19 / 40

Category: Legal Matters/Rules of the Road

19. What does this sign mean?

Traffic merging/diverging ahead.

Road narrows briefly ahead.

Diversion at junction ahead.

Yield to merging/diverging traffic ahead.

20 / 40

Category: Managing Risk

20. What is the main difference between driving on a motorway and driving on other types of road?

Traffic travelling at 120 km/h must only use the outside lane of a motorway.

Traffic generally travels at lower speeds on a motorway than on a dual-carriageway.

Learner permit holders must be accompanied by a full licence holder.

Traffic is generally permitted to travel at a higher speed on a motorway.

21 / 40

Category: Managing Risk

21. What is the most common cause of heavy steering?

Badly worn brakes

Over-inflated tyres

Under-inflated tyres

Poorly oiled steering

22 / 40

Category: Managing Risk

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

No drink should be given

A cold drink

A hot drink

A non-alcoholic drink

23 / 40

Category: Managing Risk

23. What does the load index of a tyre indicate?

The maximum load a tyre can carry

The maximum air pressure of the tyre

The maximum load per axle

The maximum load of the vehicle

24 / 40

Category: Safe and Socially Responsible Driving

24. When another driver is in a hurry and cuts in front what should a driver do?

Drive closely behind them so other vehicles cannot do the same

Flash the headlights to express their annoyance

Drive faster to make up for lost time

Be patient and not retaliate

25 / 40

Category: Legal Matters/Rules of the Road

25. What does this sign mean at a junction?

Yield to all heavy goods vehicles.

Yield to traffic on the major road.

Yield to traffic coming from your right only.

Slow down and yield to pedestrians.

26 / 40

Category: Safe and Socially Responsible Driving

26. If a motorist or a motorcyclist is taking medication which may affect their driving, what should they do?

Drive slower when under the influence of medication that affects driving

Drink plenty of water while driving

Seek medical advice in relation to driving

Drive for short distances only

27 / 40

Category: Safe and Socially Responsible Driving

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

They are not affected

It only affects other road users at traffic lights

It only affects other road users at roundabouts

They may not have been given sufficient time to react

28 / 40

Category: Safe and Socially Responsible Driving

28. What phrase is recommended for drivers to help them determine a safe distance from the vehicle in front on a dry road?

Only a fool breaks the one second rule

Only a fool breaks the three second rule

Only a fool breaks the two second rule

Only a fool breaks the four second rule

29 / 40

Category: Legal Matters/Rules of the Road

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

When oncoming traffic is waiting to turn left

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

When it would be unsafe to do so

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

30 / 40

Category: Legal Matters/Rules of the Road

30. What must a driver do when this sign is accompanied by a white stop line on the road?

Stop no more than one car length past the line

Stop at the line

Stop only if there is traffic on the major road

Stop past the line

31 / 40

Category: Legal Matters/Rules of the Road

31. What does this sign mean?

T-junction ahead with road of less importance.

T-junction ahead with merging traffic.

T-junction ahead with roads of equal importance.

T-junction ahead with dual carriageway.

32 / 40

Category: Safe and Socially Responsible Driving

32. Where is black ice likely to occur on the road?

In sheltered or shaded areas.

Only in built-up areas.

On a hard shoulder only.

In mild weather on a coastal road.

33 / 40

Category: Managing Risk

33. A driver has stalled in the middle of an unguarded level crossing and cannot restart the engine. The warning bell is ringing. What should the driver do?

Push the vehicle clear of the crossing

Try to restart the engine in first gear

Walk clear of the crossing and phone the signal operator so that trains can be stopped

Stay at the vehicle and warn the approaching train

34 / 40

Category: Legal Matters/Rules of the Road

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

Drivers when overtaking a vehicle turning right

Drivers, when it is not being used by a cyclist

Cyclists and users of motorised wheelchairs

Cyclists and motorcyclists

35 / 40

Category: Safe and Socially Responsible Driving

35. When meeting oncoming traffic on a national road, is it permitted to move into the hard shoulder to allow following traffic to overtake?

Yes, when a truck or bus is oncoming

Yes, temporarily when the hard shoulder is clear and it is safe to drive there

No, except on 2-plus-1 roads?

No, it is never permitted to drive on a hard shoulder except in the case of an emergency

36 / 40

Category: Safe and Socially Responsible Driving

36. When driving at night the full headlights of a typical car should enable the driver to see for a distance of how many metres?

100 metres

150 metres

200 metres

50 metres

37 / 40

Category: Managing Risk

37. What should a driver do after passing through a flooded section of road?

Apply the brakes firmly to check if they are still effective

Apply the handbrake gradually to dry out the rear brakes only

Apply the brake pedal lightly at slow speed for a short distance to dry the brakes.

Increase the speed of the vehicle to dry out the brakes.

38 / 40

Category: Managing Risk

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

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

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

39 / 40

Category: Managing Risk

39. What effect does towing a loaded trailer have on stopping ability?

It increases the efficiency of the brakes

It has no effect on stopping distance

It increases the stopping distance

It reduces the stopping distance

40 / 40

Category: Legal Matters/Rules of the Road

40. When must a tractor or works vehicle be fitted with a rear-view mirror?

A rear-view mirror must be fitted only when towing a trailer over 8 metres long

A rear-view mirror must be fitted only when towing a trailer

A rear-view mirror must always be fitted

A rear-view mirror is not required in a tractor or works vehicle

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
31/08/2026	Questions & Explanations Updated / Added	MC

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