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: Legal Matters/Rules of the Road

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

Doctor on call

Breakdown recovery

Mountain rescue

Garda

2 / 40

Category: Legal Matters/Rules of the Road

2. What is a clearway?

An area that is strictly reserved for the loading and unloading of HGVs

An area where stopping and parking is reserved for buses and taxis only

An area where stopping and parking is not permitted during certain times

An area that is reserved for pedestrians and motorised wheelchairs

3 / 40

Category: Legal Matters/Rules of the Road

3. 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 NCT disc

On the insurance disc

4 / 40

Category: Managing Risk

4. Apart from the risk of skidding, what should the driver be aware of when driving in snow?

The power steering fluid may freeze causing the steering to fail.

The air in the tyres may freeze, causing them to burst.

Road signs and road markings may become obscured.

The brake fluid may freeze, causing the brakes to fail.

5 / 40

Category: Managing Risk

5. After exiting the motorway and coming towards a junction at the end of the deceleration lane (slip road) what should a driver do?

Be alert for oncoming and crossing traffic at the end of the slip road.

The driver should continue at the junction as traffic on the slip road has right of way.

Maintain motorway speeds to the end of the slip road.

The driver must always stop at the end of a slip road.

6 / 40

Category: Legal Matters/Rules of the Road

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

Fire brigade

Breakdown recovery

Mountain rescue

Doctor on call

7 / 40

Category: Legal Matters/Rules of the Road

7. What should a driver do when approaching traffic lights that change from green to amber?

Stop, unless it is unsafe to do so.

Sound the horn while proceeding through the junction.

Stop the vehicle immediately.

Accelerate to clear the junction.

8 / 40

Category: Legal Matters/Rules of the Road

8. 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 heavy vehicles must go left.

Y-junction where vehicles must go left.

9 / 40

Category: Legal Matters/Rules of the Road

9. What does this sign mean?

Parking for works vehicles on left

Traffic queues likely ahead

Steep incline ahead

Three vehicles may queue ahead

10 / 40

Category: Managing Risk

10. A driver notices that the wiper blades are worn. What should they do?

Use the windscreen washer system while it is raining.

Have the blades replaced as soon as possible.

Roll down the window and drive slowly.

Wipe the windscreen with newspaper.

11 / 40

Category: Technical Matters

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

ABS locks the brakes to prevent skidding during harsh braking

ABS prevents the wheels from locking under harsh braking conditions

ABS deploys the airbags during a collision

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

12 / 40

Category: Safe and Socially Responsible Driving

12. When stopped at traffic lights and the green light comes on, what should a driver do?

Accelerate at a greater rate than other drivers so as to facilitate overtaking

Move off quickly and then check the mirrors

Move off slowly and then check the mirrors

Check that other road users have cleared the junction and move off with care

13 / 40

Category: Managing Risk

13. Under what circumstances would a driver increase the air pressure in the tyres?

When the tread depth on the tyres is below 2 mm

When the journey exceeds 200 km

When taking a journey with additional passengers

When higher speeds are anticipated on motorway driving

14 / 40

Category: Safe and Socially Responsible Driving

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

A driver must never overtake on the left

When there are three lanes available in fast moving traffic

When the vehicle in front is signalling to turn right

Only when there is no cycle lane

15 / 40

Category: Legal Matters/Rules of the Road

15. What does this sign mean?

Sharp descent in 200 metres

No overtaking for 200 metres

Dual carriageway crossing ahead

200 metres to the next exit

16 / 40

Category: Legal Matters/Rules of the Road

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

Not later than 10 days after registration

Only when driving on motorways

At all times when the vehicle is on a public road

Not later than 1 month after registration

17 / 40

Category: Safe and Socially Responsible Driving

17. What danger can arise during daylight when a driver enters an area that is heavily shaded by overhanging trees?

The vehicle engine could suddenly run cold

The vehicle's windscreen could fog up

Visibility could suddenly be reduced

The tyre pressure could be reduced

18 / 40

Category: Legal Matters/Rules of the Road

18. Apart from cyclists and motorised wheelchairs, what other road users may use an unoccupied cycle lane accompanied by a broken white line?

Only buses and taxis

Only moped riders and motorcyclists

All drivers may make temporary use

Only hackneys and taxis

19 / 40

Category: Safe and Socially Responsible Driving

19. A driver has been driving regularly in daylight and must now undertake a journey at night. What should the driver do?

Drive at a higher speed than during the day as traffic is lighter at night.

Drive at a slower speed than in the day as visibility is reduced at night.

Drive at a higher speed than during the day to minimise the chances of following asleep.

Drive at the same speed as during the day as there is no extra danger.

20 / 40

Category: Legal Matters/Rules of the Road

20. What does this sign mean?

Railway tunnel ahead.

Overtake only on the left ahead.

Tramline ahead.

Road divides ahead.

21 / 40

Category: Control of Vehicle

21. What type of noise might fast cornering create?

Exhaust backfire

Brake squeal

Engine backfire

Tyre squeal

22 / 40

Category: Technical Matters

22. 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

23 / 40

Category: Legal Matters/Rules of the Road

23. What does this sign mean?

Tram lane on left

Trams emerging from left

No parking inside the white line

Bus and tram lane on left

24 / 40

Category: Legal Matters/Rules of the Road

24. 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.

25 / 40

Category: Technical Matters

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

The engine will not start.

The head light bulbs will have to be replaced

The battery will have to be replaced

The battery will leak acid into the engine

26 / 40

Category: Safe and Socially Responsible Driving

26. 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.

27 / 40

Category: Legal Matters/Rules of the Road

27. What does this sign mean at a junction?

Yield to traffic coming from your right only.

Yield to all heavy goods vehicles.

Yield to traffic on the major road.

Slow down and yield to pedestrians.

28 / 40

Category: Legal Matters/Rules of the Road

28. What does this sign mean?

Flooding up ahead on left

Loose chippings on road

Vehicle broken down ahead on right

Uneven surface on left

29 / 40

Category: Technical Matters

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

Drive to a safe place, stop the vehicle and check the oil level

Drive at a faster pace to reach the destination before the oil runs out

Drive at lower speeds until the oil level is topped up

Drive in a low gear until the oil level is topped up

30 / 40

Category: Managing Risk

30. When driving on a motorway, what should a driver do if they miss their exit?

Leave the motorway at the next exit and cross to the other side using the fly-over (or underpass).

Cross to the opposite side of the motorway when there is a suitable gap in the oncoming traffic.

Wait on the hard shoulder until a suitable gap appears in traffic from both directions and then cross to the opposite side of the motorway.

Stop on the hard shoulder, switch on their hazard lights and reverse back to the desired exit.

31 / 40

Category: Managing Risk

31. What should a driver do to assist a person who is unconscious following a collision?

Try to keep the person warm with a blanket or overcoat

Move the person to the nearest hospital immediately

Try and get the person to drink something warm

Raise the person?s head and hold it in that position

32 / 40

Category: Managing Risk

32. If a vehicle breaks down on a motorway, what should a person do?

Ask a passenger to stand on the road to warn other traffic.

Place a red warning triangle on the motorway to warn other drivers.

Use a roadside phone to contact Gardaí and never try to carry out repairs yourself.

Turn on the full beam headlights to alert other drivers.

33 / 40

Category: Legal Matters/Rules of the Road

33. What does this Garda signal mean?

Traffic approaching from the front may proceed

Traffic approaching from the front must stop

Traffic approaching from behind must stop

Traffic approaching from the right may proceed

34 / 40

Category: Legal Matters/Rules of the Road

34. What does this sign mean?

Contra-flow bus lane.

Double-decker buses only.

With-flow bus lane.

Two-way traffic system.

35 / 40

Category: Safe and Socially Responsible Driving

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

It only affects other road users at traffic lights

They may not have been given sufficient time to react

It only affects other road users at roundabouts

They are not affected

36 / 40

Category: Safe and Socially Responsible Driving

36. 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?

Steering will be more effective

Steering and braking will be less effective

Steering and braking will be more effective

Braking only will be less effective

37 / 40

Category: Legal Matters/Rules of the Road

37. What does this sign mean?

Sharp depression or dip ahead.

Road damaged ahead.

Road divides ahead - pass on the left or right.

Road flooded ahead.

38 / 40

Category: Legal Matters/Rules of the Road

38. What does this sign mean?

With-flow bus and cycle lane ahead on left.

Only double-decker buses and cyclists may use lane.

Only buses and cyclists may park.

Cyclists and buses must turn left.

39 / 40

Category: Managing Risk

39. Is it permissible to drive a vehicle on a public road when the brake lights are not working?

Yes, outside of lighting-up times

No, it is never permitted to be driven

Yes, during lighting-up times

No, unless driving in a built-up area

40 / 40

Category: Managing Risk

40. If a driver is involved in a serious collision with an uninsured motorist, where nobody is injured, who should it be reported to?

The local Motor Taxation Office

The Irish Insurance Federation

The driver's insurance company and the Gardaí

The National Driver Licence Service (NDLS)

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