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: Control of Vehicle

1. What can cause a vehicle to skid?

Coasting to a stop

Excessive heavy braking

Stopping in fourth gear

Controlled acceleration

2 / 40

Category: Legal Matters/Rules of the Road

2. Unless otherwise indicated, what is the maximum permissible speed of a car towing a trailer on national roads?

120 km/h

60 km/h

100 km/h

80 km/h

3 / 40

Category: Managing Risk

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

Wipe the windscreen with newspaper.

Roll down the window and drive slowly.

Use the windscreen washer system while it is raining.

Have the blades replaced as soon as possible.

4 / 40

Category: Managing Risk

4. 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.

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

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

Turn on the full beam headlights to alert other drivers.

5 / 40

Category: Managing Risk

5. What should a driver do if they arrive at the scene of a collision involving a vehicle carrying hazardous materials?

Try to move the vehicle to a safe place

Keep well clear and call the emergency services

Contact the haulage company who own the vehicle

Try to prevent any further leakage of hazardous materials before raising the alarm

6 / 40

Category: Legal Matters/Rules of the Road

6. What does this sign mean?

Road divides ahead - pass on the left or right.

Road damaged ahead.

Road flooded ahead.

Sharp depression or dip ahead.

7 / 40

Category: Safe and Socially Responsible Driving

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

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

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

The vehicle will exceed the speed limit

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

8 / 40

Category: Legal Matters/Rules of the Road

8. What does this traffic light mean?

Traffic may proceed but not turn right.

Give way to any oncoming traffic turning right.

Traffic may proceed if the way is clear.

Traffic must stop at the traffic light.

9 / 40

Category: Legal Matters/Rules of the Road

9. What does this sign mean?

No overtaking for 200 metres

200 metres to the next exit

Sharp descent in 200 metres

Dual carriageway crossing ahead

10 / 40

Category: Managing Risk

10. Why is it important to ensure that the vehicle headlights are correctly aligned?

To enable the driver to see properly

To increase the lifespan of the headlights

To reduce battery consumption

To enable the driver to drive faster in the dark

11 / 40

Category: Safe and Socially Responsible Driving

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

Move off slowly and then check the mirrors

Move off quickly and then check the mirrors

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

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

12 / 40

Category: Safe and Socially Responsible Driving

12. When driving along and wishing to use a hand-held mobile phone, what should a driver do?

Secure the phone between head and shoulders while steering with both hands

Stop at a safe location before using the phone

Steer with one hand

Move the phone as needed and keep the call to just a few minutes

13 / 40

Category: Control of Vehicle

13. If the brake pedal of a vehicle feels soft or spongy when applied, what does this mean?

The parking brake is on

Worn brake pads

A fault in the brake fluid system

A fault in the hand brake cable

14 / 40

Category: Managing Risk

14. In general, when turning right on a two-way road, where should a driver position the vehicle?

At the far right-hand side of the road.

Just left of the middle of the road

At the far left-hand side of the road.

At either side of the middle of the road.

15 / 40

Category: Safe and Socially Responsible Driving

15. What should a driver do when driving on a wide road behind a vehicle that has signalled to turn right ahead?

Overtake on the left, but only if turning left a short distance ahead

Overtake on the left-hand side and carry on if safe to do so

Stay behind and tap the brakes to signal other drivers to slow down

Overtake on the right-hand side and carry on

16 / 40

Category: Legal Matters/Rules of the Road

16. Is a driver still insured to drive their vehicle after their insurance policy has expired?

The driver is insured up to 14 days after the expiry of the policy

The driver is insured up to 10 days after the expiry of the policy

The driver is not insured after the expiry of the policy

The driver is insured up to 7 days after the expiry of the policy

17 / 40

Category: Safe and Socially Responsible Driving

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

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

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

Proceed smartly through the junction to avoid delay

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

18 / 40

Category: Managing Risk

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

The air valve

The brake pad clearance

The wheel nuts

The tyre tread depth

19 / 40

Category: Safe and Socially Responsible Driving

19. What should the driver do when driving behind a vehicle that is going from side to side on the road in an unsafe manner?

The driver should signal and go around to the left of the vehicle

The driver should stay well back in a safe position

The driver should drive close behind the vehicle with a view to overtaking

The driver should signal and go around to the right of the vehicle

20 / 40

Category: Managing Risk

20. What should a driver do to secure the towing vehicle before unhitching a trailer?

Lower the jockey wheel and then switch off the ignition

Disconnect the electrical supply to the trailer lights and lower the jockey wheel

Apply the handbrake, lower the jockey wheel and switch off the engine

Apply the handbrake, switch off the ignition and engage a low gear

21 / 40

Category: Managing Risk

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

Check the tyres are inflated to normal air pressure

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

22 / 40

Category: Legal Matters/Rules of the Road

22. 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

23 / 40

Category: Legal Matters/Rules of the Road

23. What does this sign mean?

Sharp rise in the road ahead - for example, a humpback bridge

Traffic island ahead

Series of bumps or hollows ahead

Road falls from centre to left and right

Sharp rise in the road ahead - for example, a humpback bridge

24 / 40

Category: Legal Matters/Rules of the Road

24. What is the maximum authorised mass (MAM) of a car that may be driven by the holder of a Category B driving licence?

4,000 kilograms

3,750 kilograms

3,000 kilograms

3,500 kilograms

25 / 40

Category: Legal Matters/Rules of the Road

25. What does this sign mean?

Lane reserved for pedestrians

Beware of pedestrians at night

Pedestrian crossing ahead

School ahead

26 / 40

Category: Managing Risk

26. What danger can arise from the power take-off shaft of a tractor?

If it is not disengaged, the steering will lock

If it is not covered, clothing can get caught in it

If it is not covered, the tractor will speed up rapidly

If it is not disengaged, the battery will run flat

27 / 40

Category: Legal Matters/Rules of the Road

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

Ambulance

Mountain rescue

Breakdown recovery

Doctor on call

28 / 40

Category: Managing Risk

28. Which of the following is a driver required to keep in good condition?

Upholstery

Seatbelts

Paintwork

Radio

29 / 40

Category: Technical Matters

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

The wheel balance is uneven

The shock absorbers are worn

Weight distribution is uneven

The steering is out of alignment

30 / 40

Category: Safe and Socially Responsible Driving

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

Drive for short distances only

Drink plenty of water while driving

Seek medical advice in relation to driving

Drive slower when under the influence of medication that affects driving

31 / 40

Category: Legal Matters/Rules of the Road

31. What does this road marking and information plate together mean?

No parking at any time

Taxi rank at times shown

Parking not allowed at the times shown

Loading bay at times shown

32 / 40

Category: Legal Matters/Rules of the Road

32. What does this sign mean?

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.

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

Only buses and cyclists may park during the times indicated.

33 / 40

Category: Legal Matters/Rules of the Road

33. What does this sign mean?

Overtake only on the right.

Turn right only.

Major road joining from the left.

Diversion ahead to the right.

34 / 40

Category: Managing Risk

34. 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?

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

Push the vehicle clear of the crossing

Stay at the vehicle and warn the approaching train

Try to restart the engine in first gear

35 / 40

Category: Safe and Socially Responsible Driving

35. What should a driver do if they see a school bus stopped on the nearside (left side) of the road ahead?

Switch on hazard warning lights and stop behind the bus

Signal and maintain current speed

Reduce speed and overtake with caution

Sound the horn as a warning and continue on

36 / 40

Category: Legal Matters/Rules of the Road

36. What does this sign mean?

Buses may block the driver’s view of cyclists.

With-flow bus lane on the right.

With-flow bus lane on the left.

Contra-flow bus lane ahead.

37 / 40

Category: Managing Risk

37. What effect can a broken lens have on headlights?

It can cause the bulb to overheat

It can cause other bulbs to blow if not fixed immediately

It can reduce and distort the beam

It can increase the brightness of the beam in the other headlight

38 / 40

Category: Managing Risk

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

Ensure all passengers are securely seated in the caravan

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

Have extended mirrors fitted to the towing vehicle

Ensure that only adult passengers are seated in the caravan

39 / 40

Category: Legal Matters/Rules of the Road

39. What road users must comply with traffic lights (including pedestrian lights)?

School children only

Pedestrians only

All road users

Drivers only

40 / 40

Category: Legal Matters/Rules of the Road

40. What does this hand signal mean?

The cyclist intends to cross the road

The cyclist intends to stop

The cyclist is signalling the driver to stop

The cyclist intends to turn left

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

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