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. When should tyre pressure be checked?

When the tyres are cold

At service intervals only

When the tyres are hot

When the tyres are part-worn

2 / 40

Category: Managing Risk

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

Just left of the middle of the road

At either side of the middle of the road.

At the far right-hand side of the road.

At the far left-hand side of the road.

3 / 40

Category: Managing Risk

3. What should a driver do if they notice steam rising from the engine compartment?

Stop where safe and investigate the cause

Top up with anti-freeze immediately

Increase speed to increase the air flow into the engine compartment

Remove the filler cap from the coolant bottle

4 / 40

Category: Managing Risk

4. What effect could incorrectly aligned headlights have?

They could dazzle oncoming drivers

They could cause a fire

They could reduce battery life

They could wear out the bulbs prematurely

5 / 40

Category: Legal Matters/Rules of the Road

5. What does this Garda signal mean?

Traffic approaching from the front may proceed

Traffic approaching from the front must stop

Traffic approaching from the right may proceed

Traffic approaching from behind must stop

6 / 40

Category: Legal Matters/Rules of the Road

6. What does the broken yellow line road marking mean?

The edge of the carriageway or hard shoulder.

Slow lane for heavy vehicles only

Parking prohibited at all times

No stopping for any reason except in an emergency

The edge of the carriageway or hard shoulder.

7 / 40

Category: Legal Matters/Rules of the Road

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

During daylight hours

At all times when driving

When driving on their first learner permit

When driving to and from work

8 / 40

Category: Managing Risk

8. What should a driver do if their vehicle breaks down on an automatic railway level crossing?

Walk along the track to give warning to any approaching trains.

Turn on the warning bells at the crossing.

Try to push the vehicle clear of the crossing as soon as possible.

Get passengers clear of the crossing and phone the signal operator so that trains can be stopped.

9 / 40

Category: Managing Risk

9. What should a driver do when travelling on a motorway or dual carriageway?

Be alert for other drivers who may suddenly change lanes or reduce speed.

Match the speed to that of the vehicle in the adjoining lane.

Relax because there will be no oncoming traffic.

Match the speed to that of the vehicle in front

10 / 40

Category: Safe and Socially Responsible Driving

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

Drive with sidelights and hazard warning lights

Drive with sidelights and fog lights

Drive with full headlights and fog lights

Drive with dipped headlights and fog lights

11 / 40

Category: Safe and Socially Responsible Driving

11. What should a driver do if another vehicle blocks their right of way at a junction?

Flash the headlights to express displeasure

Pursue the vehicle and express displeasure

Be patient and show restraint.

Sound the horn and flash the lights to show your frustration

12 / 40

Category: Managing Risk

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

Turn on the fan to clear the air

Open the windows and continue on

Drive at a reduced speed

Stop where safe and investigate

13 / 40

Category: Safe and Socially Responsible Driving

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

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

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

14 / 40

Category: Technical Matters

14. What effect does low tyre-pressure have on a vehicle?

The brakes can overheat

The engine noise increases

The vehicle accelerates faster

Braking and cornering are impaired

15 / 40

Category: Legal Matters/Rules of the Road

15. What does this sign mean?

Y-junction ahead with roads of lesser importance

Minor road ahead.

Y-junction ahead with roads of equal importance.

Junction ahead with dual carriageway.

16 / 40

Category: Managing Risk

16. When should a driver use their vehicle's hazard warning lights?

When the brake lights are not working.

When causing an unavoidable obstruction.

When double parking.

When a following vehicle is too close.

17 / 40

Category: Managing Risk

17. If, when driving along, the driver notices that the engine power is lower than normal, what should they do?

Have the vehicle checked by a competent person

Switch to a different fuel

Replace the engine oil filter

Adjust the fuel mixture control mechanism

18 / 40

Category: Managing Risk

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

To enable the driver to drive faster in the dark

To increase the lifespan of the headlights

To reduce battery consumption

To enable the driver to see properly

19 / 40

Category: Safe and Socially Responsible Driving

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

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

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?

20 / 40

Category: Legal Matters/Rules of the Road

20. What does this sign mean?

Contra-flow bus lane on the right.

With-flow bus lane to right.

Buses emerging from right.

Cycle track may be crossed by buses.

21 / 40

Category: Legal Matters/Rules of the Road

21. When is double parking permitted?

When there is a hard shoulder

It is never permitted

When there are double white lines

When there are double yellow lines

22 / 40

Category: Managing Risk

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

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

Increase the air pressure in the tyres

23 / 40

Category: Safe and Socially Responsible Driving

23. When a driver is driving in a line of traffic and does not intend to overtake, what should the driver do?

Drive close to the vehicle in front

Stay back and leave a gap for other drivers to overtake

Indicate left as a signal to following traffic to overtake

Beckon to following traffic to overtake

24 / 40

Category: Legal Matters/Rules of the Road

24. What does this sign mean?

Parking prohibited

Parking permitted

Public service vehicles prohibited

Private vehicles prohibited

25 / 40

Category: Legal Matters/Rules of the Road

25. What does this sign mean?

One-way traffic to the right ahead.

Sharp bend to the right ahead.

Diversion to the right ahead.

You must turn right ahead.

26 / 40

Category: Legal Matters/Rules of the Road

26. What colour traffic light comes on after the green?

Green arrow

Flashing amber

Amber only

Red only

27 / 40

Category: Technical Matters

27. 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 at lower speeds until the oil level is topped up

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

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

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

28 / 40

Category: Safe and Socially Responsible Driving

28. What is the recommended minimum stopping distance for a car travelling at 100 km/h on a dry road?

30 metres

120 metres

90 metres

70 metres

29 / 40

Category: Legal Matters/Rules of the Road

29. What does this sign mean?

Contra-flow bus lane ahead.

With-flow bus lane on the right.

With-flow bus lane on the left.

Buses may block the driver’s view of cyclists.

30 / 40

Category: Managing Risk

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

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

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

Lower the jockey wheel and then switch off the ignition

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

31 / 40

Category: Safe and Socially Responsible Driving

31. What should a driver do when travelling downhill on snow or ice?

Avoid using the brake and use a high gear

Keep close to the left and brake sharply to reduce speed

Use a higher gear than normal in order to avoid wheel spin

Select an appropriate gear and brake gently to control speed

32 / 40

Category: Legal Matters/Rules of the Road

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

Cyclists and users of motorised wheelchairs

Drivers, when it is not being used by a cyclist

Drivers when overtaking a vehicle turning right

Cyclists and motorcyclists

33 / 40

Category: Technical Matters

33. If the oil pressure gauge shows little or no pressure, or the warning light comes on, what could the problem be?

The oil level is too low

The oil level is too high

The oil is too cold

The oil is too thick

34 / 40

Category: Safe and Socially Responsible Driving

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

Move off quickly and then check the mirrors

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

Move off slowly and then check the mirrors

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

35 / 40

Category: Legal Matters/Rules of the Road

35. 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

36 / 40

Category: Legal Matters/Rules of the Road

36. Within what distance of a road junction is parking prohibited?

10 metres, unless parking spaces are clearly marked

15 metres, unless parking spaces are clearly marked

20 metres, unless parking spaces are clearly marked

5 metres, unless parking spaces are clearly marked

37 / 40

Category: Legal Matters/Rules of the Road

37. What does this sign mean?

No stopping/parking on the right.

No overtaking

End of dual carriageway.

Double parking not allowed.

38 / 40

Category: Managing Risk

38. 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?

Stay at the vehicle and warn the approaching train

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

39 / 40

Category: Safe and Socially Responsible Driving

39. When driving into a narrow gap between oncoming vehicles and vehicles parked on the left. What should a driver do?

Indicate and drive on enforcing your priority

Always slow down, stop and wait to be beckoned forward

Signal to oncoming traffic to stop, and then move to the right and drive as normal

Indicate right, stopping if necessary until oncoming traffic has passed by

40 / 40

Category: Technical Matters

40. What does the speed rating of a tyre indicate?

The minimum speed for which the tyre is designed

The maximum speed the vehicle can be driven at

The maximum speed the vehicle can overtake at

The maximum speed for which the tyre is designed

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