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The start of every driver’s journey begins with sitting the theory test. We are here to help you succeed! Our mock theory test consists of 40 randomly chosen questions from our huge bank of realistic questions to simulate the actual thing. Get unlimited access to take the test as many times as you like until you feel confident to take the next step.

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ISM Mock Theory Test

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1 / 40

1. Are you still covered to drive your vehicle if your insurance policy has expired?

Yes, for up to 48 hours.

No.

No, unless you have a clean driving history.

Yes, if the vehicle is NCT'd and taxed.

2 / 40

2. What effect may a broken or damaged exhaust have on the environment?

None.

It increases smoke pollution levels.

It causes coolant to leak onto the road.

Decreases fuel consumption.

3 / 40

3. Which way should a child's safety seat be secured?

It should secured with the seat belts that are present or with extra straps.

It should be left loosely secured to ensure the child doesn't get whiplash.

It does not need to be secured.

It should be put on a normal passenger seat.

4 / 40

4. Who is responsible to ensure that passengers under 17 years of age wear their seatbelts?

The passengers.

Both the passenger and the parents of the passenger.

The passengers' parents.

The driver.

5 / 40

5. When driving in heavy rain you should?

Drop your gear to get higher revs.

Take caution of aquaplaning.

Keep to the centre of the road.

Drive at the same speed as on a dry road.

6 / 40

6. How can overloading a vehicle affect its road holding ability?

Improving overall stability if the load is evenly distributed.

Making it more difficult to control.

Increasing brake effectiveness.

Reducing the risk of over-steering.

7 / 40

7. When you are being overtaken by another vehicle you should..

Increase your speed slightly.

Drive in the centre of the road.

Maintain your course and reduce your speed if needed.

Pull over and let the other vehicle pass.

8 / 40

8. When you wish to perform a legal 'u-turn' manoeuvre, you should..

Check in front and behind for approaching traffic.

Use your driver side mirror as you turn.

Drive onto the footpath to gain a wider turning arc.

Indicate and accelerate to get turned around without delay.

9 / 40

9. What is the combined speed of two vehicles involved in a head on collision if they are each travelling at 100 km/h?

200 km/h

50 km/h

100 km/h

150 km/h

10 / 40

10. What should a driver do if feeling tired/drowsy?

Drink strong coffee.

Turn on the radio loudly.

Stop - take a break and a short walk if possible.

Turn on the car heater to the maximum level.

11 / 40

11. What does this sign mean?

Dangerous bend ahead.

Road ends ahead.

Mini roundabout ahead.

No left turn.

12 / 40

12. When driving at night when should you dip your vehicles headlights?

Approaching a bend or dip in the road.

When you meet oncoming traffic.

Only on motorways.

When the road narrows dangerously ahead.

13 / 40

13. Where should a learner drivers 'L' plates be displayed?

Front drivers side, rear passenger side.

On both sides of the vehicle.

Front passenger side, rear drivers side.

On the front and rear bumpers only.

14 / 40

14. When driving behind a vehicle that is driving erratically or dangerously you should?

Overtake as soon as possible.

Flash your lights to encourage the driver to make way for you.

Follow close behind the offending vehicle.

Stay well back until the road widens enough to let you overtake safely.

15 / 40

15. How often is it advised that you should service you engine?

Once a year.

When there is a problem with the engine.

As per the manufacturer's specifications.

Every 35000 kilometres.

16 / 40

16. When is it permissible to reverse on a motorway?

Once you have checked your mirrors and it is clear to do so.

Only on the hard shoulder.

Using the hatched road markings.

Never.

17 / 40

17. When can you pick up or set down a passenger on the motorway?

Only when the area is clear of traffic.

On the hard-shoulder.

Never.

During off-peak hours.

18 / 40

18. How much clearance should a driver give while parking next to another vehicle assuming it is safe to do so?

A door-width.

A car-width.

Half a cars length.

A mirror-width.

19 / 40

19. What should the driver of a motorcycle ensure before allowing the passenger to get off over?

The motorcycle is secure and at no risk of falling over.

The motorcycle is stopped in a safe place.

The passenger gets off onto the pavement.

The motorcycle is resting on its stand.

20 / 40

20. When driving behind a Heavy Goods Vehicle, it is important to know its blind spots. Where are its 'blind spots'?

The area of view hidden by the sun-visor In front of the vehicle.

The areas on the road where the headlights' main beam doesn't reach.

The areas to the front sides and rear where the driver cannot see.

The area of view on the drivers near side only.

21 / 40

21. A section of the road ahead which you are travelling is flooded. You should..?

Increase your speed to get through it quicker.

Increase your speed and keep to the centre of the road.

Maintain your speed.

Reduce speed.

22 / 40

22. What should you do if you are involved in a road accident and a person is unconscious?

Lie the person flat on the ground and keep him / her still.

Remove them from the vehicle to a safer area.

Keep the person warm and give him / her something to drink.

Contact the emergency services.

23 / 40

23. What should you do if a person has been injured in an accident?

Move the victim out the way to avoid causing an obstruction.

Move the victim into your vehicle and drive them home.

Move them and give them something to drink.

Seek help from the emergency services.

24 / 40

24. The vehicle ahead is being driven by a slower learner driver. You should..

Drive closely behind the vehicle to encourage the driver to hurry up.

Flash your lights to tell the learner driver to let you pass.

Be patient and allow extra time to the driver if necessary.

Signal and overtake the vehicle as soon as possible.

25 / 40

25. How does alcohol affect the drivers ability to drive a vehicle?

It has little or no effect.

It reduces the driver's ability to react.

Makes the driver more alert.

It increases reaction time.

26 / 40

26. In which situation should you use your hazard warning lights?

When about to pull in and stop on a clearway.

When stopping temporarily in a loading bay.

When passing a heavy goods vehicle.

When causing an unavoidable obstruction.

27 / 40

27. When you wish to reverse your vehicle you should..

Reverse by using your mirrors only.

Put your head out the driver's window to watch behind.

Reverse quickly before other traffic appears.

Check your two blind spots and three mirrors and all around your vehicle before and during the manoeuvre.

28 / 40

28. What does this sign mean?

Unprotected level crossing ahead.

Bus lane ahead.

Taxi parking ahead.

Tram lane crossing ahead.

29 / 40

29. What fuel type/types can be use in a petrol engine?

Green diesel only.

Petrol only.

Just petrol and agricultural diesel

A mixture of both.

30 / 40

30. When can you leave children and infants unattended in a car?

If the doors are locked and the windows left slightly ajar for air.

If you will be away from the car for no longer than 5 minutes.

Only if you are in possession of a permit.

At no stage.

31 / 40

31. In which situation should the vehicles rear fog lights be used?

Only in dense fog or snow.

When raining heavily at night.

When a brake light bulb is not functioning.

Where visibility is poor.

32 / 40

32. During scheduled times, which vehicles are allowed to use 'with-flow' bus lane?

Buses only.

Only cyclists.

All traffic except buses.

Buses on a scheduled service, taxis and cyclists.

33 / 40

33. Ahead a bus is beginning to pull away from a bus stop, what should you do?

Accelerate so as to avoid being delayed behind it.

Sound your horn or flash your lights to inform the driver that you are there.

Drive alongside it so as not to hold up traffic.

Slow down and let it move out.

34 / 40

34. There is blue smoke being emitted from your vehicles exhaust.. What is this usually a sign of?

You are running low on fuel.

The timing belt is worn.

The choke is faulty.

The engine is burning oil.

35 / 40

35. What does this traffic light mean?

You may go on only if the way is clear.

You may proceed immediately.

You have to yield to oncoming traffic.

You must stop.

36 / 40

36. What should you do if you are involved in a minor accident where there is little damage?

Report to the incident to the Garda.

Call Gardai to the scene immediately.

Exchange particulars with the other driver.

Continue your journey so as not to obstruct traffic.

37 / 40

37. What may occur if you drive closely behind a vehicle you do not intend to overtake?

Traffic behind you may not see the vehicle in front of you.

It might be more difficult for traffic to overtake you.

Helps your fuel consumption as the vehicle in front breaks air resistances.

It will be easier for traffic to overtake you.

38 / 40

38. What does this sign mean?

No parking.

No overtaking.

No cycling.

Road narrows ahead.

39 / 40

39. What should you do when you see farm animals crossing the road ahead of you?

Sound your horn to move them.

Stop and allow them to cross before continuing.

Turn back immediately.

Flash your headlamps and put on your hazard lights.

40 / 40

40. When is it allowed for passengers to have their heads outside a sunroof while driving?

Only when you are driving on a minor road.

At speeds below 10 km/h.

With permission from the driver.

Never.

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