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

When passing a heavy goods vehicle.

When about to pull in and stop on a clearway.

When causing an unavoidable obstruction.

When stopping temporarily in a loading bay.

2 / 40

2. What would happen if the exhaust is removed from a motorcycle?

The engine noise and smoke pollution would be increased.

It would decrease fuel consumption.

The engine would become too hot.

The engine would be more efficient.

3 / 40

3. Are children who are not secured in a child's safety seat allowed in the front passenger seat?

Yes if held by a parent or other adult.

Only if using a safety belt.

No.

Yes.

4 / 40

4. What does this traffic light mean?

You have to yield to oncoming traffic.

You must stop.

You may proceed immediately.

You may go on only if the way is clear.

5 / 40

5. Who is responsible for ensuring that a child is wearing a safety-belt?

The driver.

The child as long as he/she is over 12.

The passenger sitting in the front seat.

The child's parent(s)/ guardian(s).

6 / 40

6. What details must you give to the Garda?

Date of birth and PPS number.

As little as possible in case you get blamed for the accident.

Your name and address and a brief description of the accident.

Any details requested.

7 / 40

7. When is it legal to drive in the hard shoulder of a motorway?

Never, except in an emergency.

To allow faster moving traffic to overtake.

When leaving at the next exit.

When driving less than 50kph.

8 / 40

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

Only cyclists.

Buses on a scheduled service, taxis and cyclists.

All traffic except buses.

Buses only.

9 / 40

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

The area of view on the drivers near side only.

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

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

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

10 / 40

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

Signal and overtake the vehicle as soon as possible.

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

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

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

11 / 40

11. What would be the effect of driving at continuous high speeds?

Only increased fuel consumption in dry weather.

Increased fuel consumption.

Decreased tyre thread wear.

Reduced fuel consumption.

12 / 40

12. What may occur if an exhaust is worn out on a vehicle?

It causes decreased noise and pollution.

It causes oil leakage onto the road.

It causes smoke and noise pollution to rise.

It causes petrol leakage onto the road.

13 / 40

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

As per the manufacturer's specifications.

Every 35000 kilometres.

Once a year.

When there is a problem with the engine.

14 / 40

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

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

It might be more difficult for traffic to overtake you.

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

It will be easier for traffic to overtake you.

15 / 40

15. How often should you check that your vehicles lights are in working order?

Bi-monthly.

Monthly.

Annually.

Weekly.

16 / 40

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

Only in dense fog or snow.

When raining heavily at night.

Where visibility is poor.

When a brake light bulb is not functioning.

17 / 40

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

Front drivers side, rear passenger side.

On the front and rear bumpers only.

Front passenger side, rear drivers side.

On both sides of the vehicle.

18 / 40

18. If an elderly person is crossing at a pedestrian light and it changes to flashing amber, you should..

Sound your horn to make them aware to move quickly.

Flash on your headlights to hurry them on.

Start moving towards them slowly so as not to delay traffic.

Wait and allow them to finish crossing.

19 / 40

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

Call Gardai to the scene immediately.

Report to the incident to the Garda.

Continue your journey so as not to obstruct traffic.

Exchange particulars with the other driver.

20 / 40

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

Half a cars length.

A mirror-width.

A car-width.

A door-width.

21 / 40

21. When should a learner drivers 'L' plates be displayed?

During a driver's first years' learner permit.

At all times.

Till the learner's confidence improves.

Only for the first two months.

22 / 40

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

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

Slow down and let it move out.

Drive alongside it so as not to hold up traffic.

Accelerate so as to avoid being delayed behind it.

23 / 40

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

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.

Reverse by using your mirrors only.

24 / 40

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

Never.

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

Using the hatched road markings.

Only on the hard shoulder.

25 / 40

25. What precautions should you take when getting off a motorcycle?

Park the machine on its stand and then switch off the ignition.

Make sure the machine is on a stand.

Switch off the ignition, park the machine on its stand and take out the key.

Prop the machine against a wall.

26 / 40

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

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

Increase your speed to get through it quicker.

Maintain your speed.

Reduce speed.

27 / 40

27. What would be the 'blind spots' for a bus driver?

The seats upstairs on the bus.

The passenger side of the bus.

The seats at the back of the bus.

The areas to the front sides and the rear of the bus which the driver can't see.

28 / 40

28. What effect would diesel have if spilt on the road surface?

Increase tyre noise.

Increase tyre grip.

Make the road more slippery.

Have no effect.

29 / 40

29. 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.

30 / 40

30. When must the passengers of a vehicle with fitted seatbelts use seatbelts?

On motorways only.

At all times.

In built-up areas only.

At speeds over 50 KPH.

31 / 40

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

150 km/h

100 km/h

200 km/h

50 km/h

32 / 40

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

Reducing the risk of over-steering.

Making it more difficult to control.

Improving overall stability if the load is evenly distributed.

Increasing brake effectiveness.

33 / 40

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

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

Contact the emergency services.

Remove them from the vehicle to a safer area.

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

34 / 40

34. What should you give a person who has been injured in an accident to drink?

Coffee.

Cold water if possible.

Nothing.

A cup of tea.

35 / 40

35. What is the minimum legal thread depth for a car's tyres?

0.6 millimetres.

3 millimetres.

2.6 millimetres.

1.6 millimetres.

36 / 40

36. Who is responsible for the making sure the vehicle is properly insured when driving another persons vehicle with their permission?

The insurance company.

The driver only.

Both the driver and the vehicle owner.

The vehicle owner.

37 / 40

37. What in particular should you be aware of while driving at night?

Some drivers may not like to use their headlights.

Speed limits do not apply between midnight and 6am.

Temperature of the car.

Drowsiness.

38 / 40

38. What does this sign mean?

Keep left.

Turn right ahead.

Private property ahead.

Steep descent ahead.

39 / 40

39. You are travelling behind a vehicle on a wide road. The vehicle ahead has signalled right, you should..

Overtake on left-hand side and continue on.

Stay behind it until it has finished turning.

Overtake on the right-hand side and continue on.

Sound your horn to indicate to make them aware you're behind them.

40 / 40

40. What precautions should you take after stopping your vehicle before you exit the vehicle door?

Check your rear view inside mirror before opening your door.

Open the door quickly and alight quickly.

Open the door a little and then check for blind spot.

Check your side mirror and look behind you before opening the door.

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