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

Relax because there will be no oncoming traffic.

Match the speed to that of the vehicle in front

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

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

2 / 40

Category: Safe and Socially Responsible Driving

2. 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 four second rule

Only a fool breaks the two second rule

Only a fool breaks the three second rule

Only a fool breaks the one second rule

3 / 40

Category: Safe and Socially Responsible Driving

3. What effect does a wet road surface have on a vehicle?s braking ability?

Modern tyres provide grip on a wet road as effectively as on a dry road

Generally, it doubles the braking distance of that required on a dry surface

It makes no difference to the required braking distance

It reduces the braking distance of that required on a dry surface

4 / 40

Category: Managing Risk

4. If a driver notices that structural parts of their vehicle's body have been affected by rust, what should they do?

Have it repaired by a competent repair shop

Have it sandpapered and keep the affected area dry

Treat the area with grease and paint over it

Have paint sprayed over it of the same colour

5 / 40

Category: Safe and Socially Responsible Driving

5. 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.

6 / 40

Category: Legal Matters/Rules of the Road

6. 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 check with their local NDLS office 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 Motor Taxation Office to see if they are insured

7 / 40

Category: Technical Matters

7. What effect would a weak battery have on a vehicle?s driving performance?

The fuel would burn less efficiently

Uphill acceleration would be reduced

The headlights would not function

It would have no effect

8 / 40

Category: Safe and Socially Responsible Driving

8. What should a driver do if they see horse riders on the road ahead?

The driver should increase speed and allow extra clearance

The driver should reduce speed, allow extra clearance and pass with care

The driver should reduce speed and sound the horn

The driver should turn on hazard warning lights and continue at normal speed

9 / 40

Category: Managing Risk

9. When should tyre pressure be checked?

When the tyres are part-worn

At service intervals only

When the tyres are cold

When the tyres are hot

10 / 40

Category: Legal Matters/Rules of the Road

10. What does this hand signal mean?

The driver intends to turn left

The driver intends to turn right

The driver intends to slow down

The driver will begin to reverse

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?

Sound the horn and flash the lights to show your frustration

Flash the headlights to express displeasure

Be patient and show restraint.

Pursue the vehicle and express displeasure

12 / 40

Category: Legal Matters/Rules of the Road

12. What does this sign mean?

Low bridge ahead.

Unguarded level crossing ahead.

Guarded level crossing ahead.

T-junction with dual carriageway ahead.

13 / 40

Category: Safe and Socially Responsible Driving

13. What are the possible consequences of having incorrectly adjusted headlights?

Oncoming road users could be dazzled

Visibility could be increased

The wattage of the headlights could be reduced

The headlights could overheat

14 / 40

Category: Legal Matters/Rules of the Road

14. What does this sign mean?

Buses must give way to other traffic ahead.

Cyclists must give way to buses ahead.

Buses must give way to cyclists ahead

Bus and cycle lane ahead on right.

15 / 40

Category: Managing Risk

15. What is the main reason for maintaining the correct tyre pressures?

To help provide optimum road holding

To help maintain the correct ground clearance

To stop the vehicle from sloping to the left

To reduce engine wear

16 / 40

Category: Managing Risk

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

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

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

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

Maintain motorway speeds to the end of the slip road.

17 / 40

Category: Legal Matters/Rules of the Road

17. What does this sign mean?

Sharp descent in 200 metres

No overtaking for 200 metres

200 metres to the next exit

Dual carriageway crossing ahead

18 / 40

Category: Technical Matters

18. What does the warning light and/or red zone on a fuel gauge mean?

There is a leak in the fuel system

There is leaded fuel in the tank

The fuel tank has been over-filled.

The level of fuel in the tank is low

19 / 40

Category: Legal Matters/Rules of the Road

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

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

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

20 / 40

Category: Managing Risk

20. How would a driver know that a brake-light bulb is not working?

They would notice the brake pedal getting softer under pressure

They would notice the brake pedal become firmer under pressure

By standing at the rear of the vehicle and getting another person to turn on side lights

By standing at the rear of the vehicle and checking as another person presses the brake pedal

21 / 40

Category: Managing Risk

21. What determines the maximum allowed towing capacity of a vehicle?

The manufacturer's specifications

The strength of the tow bar

The combined weight of the vehicle and its trailer

The size of the tyres on the vehicle

22 / 40

Category: Technical Matters

22. What is the purpose of engine oil?

It lubricates the braking system

It lubricates the exhaust system

It lubricates the engine

It lubricates the wheel bearings

23 / 40

Category: Safe and Socially Responsible Driving

23. What should a driver do when overtaking parked vehicles in a residential area?

Increase speed to overtake the vehicles as quickly as possible

Allow sufficient clearance when passing

Keep close to the parked vehicles allowing maximum room for oncoming traffic

Move as far to the right as possible

24 / 40

Category: Managing Risk

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

The driver's insurance company and the Gardaí

The National Driver Licence Service (NDLS)

The local Motor Taxation Office

The Irish Insurance Federation

25 / 40

Category: Legal Matters/Rules of the Road

25. What does this sign mean?

Dangerous corner ahead.

Junction to the left.

Dangerous bend ahead.

One-way street ahead.

26 / 40

Category: Legal Matters/Rules of the Road

26. If a vehicle is being driven by someone who is not the owner but has the owner's consent, who should ensure that the driver is properly insured?

The vehicle owner only

The driver and the vehicle owner

The insurance company

The driver only

27 / 40

Category: Legal Matters/Rules of the Road

27. When is parking permitted on the brow of a hill?

Only when there is no traffic on the road

Parking is permitted when a vehicle has an efficient handbrake

When the driver angles the wheels towards the kerb

Parking is never permitted on the brow of a hill

28 / 40

Category: Managing Risk

28. When a driver is at a junction where visibility is extremely limited, what should the driver do?

Sound the horn and quickly proceed.

Move the vehicle out onto the road to enable other drivers to see you.

Move out with extreme care, watching carefully to the left and right.

29 / 40

Category: Technical Matters

29. What effect can a worn shock absorber have on a vehicle?

It can cause the vehicle to 'bounce' in an unstable manner

It can trigger the release of the airbags

It can increase fuel consumption

It can cause an electrical short-circuit

30 / 40

Category: Managing Risk

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

Wear a high-visibility vest.

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

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

Turn on the full beam headlights to alert other drivers.

31 / 40

Category: Legal Matters/Rules of the Road

31. What does this sign mean?

End of dual carriageway.

No overtaking

No stopping/parking on the right.

Double parking not allowed.

32 / 40

Category: Safe and Socially Responsible Driving

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

Stop at a safe location before using the phone

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

Steer with one hand

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

33 / 40

Category: Legal Matters/Rules of the Road

33. What does this sign mean?

Turn left ahead

Diversion to the left ahead

Sharp corner to the left ahead

One-way traffic to the left ahead

34 / 40

Category: Managing Risk

34. What effect could an unevenly distributed load have on a vehicle?

It could make the vehicle unstable while turning

It could cause the clutch to slip while accelerating

It could cause the vehicle to overheat

It could cause the gear box to overheat

35 / 40

Category: Managing Risk

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

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

It can cause the bulb to overheat

36 / 40

Category: Managing Risk

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

The maximum air pressure of the tyre

The maximum load per axle

The maximum load of the vehicle

The maximum load a tyre can carry

37 / 40

Category: Legal Matters/Rules of the Road

37. What does this sign mean?

Level crossing ahead guarded by gates or barriers

Farm machinery crossing ahead

Road fencing ahead

Level crossing ahead guarded by gates or barriers

Private grounds - no entry

38 / 40

Category: Legal Matters/Rules of the Road

38. When is parking permitted at a taxi rank?

When waiting to collect passengers from a taxi

When parking for less than 15 minutes

When the rank is unoccupied

Parking at a taxi rank is prohibited unless driving a taxi

39 / 40

Category: Technical Matters

39. When is it recommended to use coolant?

In petrol engines only

Summer only

All year round

Winter only

40 / 40

Category: Managing Risk

40. What effect could incorrectly aligned headlights have?

They could wear out the bulbs prematurely

They could cause a fire

They could reduce battery life

They could dazzle oncoming drivers

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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