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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. When is it permissible to drive with full headlights in a built up area at night?

When there is no traffic.

Never.

When you can't see properly.

Between the hours of 11.30 p.m. and 7.00 a.m.

2 / 40

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

When passing a heavy goods vehicle.

When stopping temporarily in a loading bay.

When about to pull in and stop on a clearway.

When causing an unavoidable obstruction.

3 / 40

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

During a driver's first years' learner permit.

At all times.

Only for the first two months.

Till the learner's confidence improves.

4 / 40

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

100 km/h

200 km/h

150 km/h

50 km/h

5 / 40

5. What should you do if the windows of your vehicle are covered in ice?

Use water to remove the ice.

Switch on the windscreen washers and wipers.

Drive slowly until the vehicle's heating system has melted the ice.

Switch on the heating system and use a scraper to clear the ice before driving off.

6 / 40

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

Every 35000 kilometres.

As per the manufacturer's specifications.

Once a year.

When there is a problem with the engine.

7 / 40

7. When is it permissible for children to drive a tractor?

When they are properly instructed.

When they are fourteen years of age.

When it is off the public road.

Never.

8 / 40

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

Making it more difficult to control.

Reducing the risk of over-steering.

Improving overall stability if the load is evenly distributed.

Increasing brake effectiveness.

9 / 40

9. 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.

Slow down and let it move out.

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.

10 / 40

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

Flash your headlamps and put on your hazard lights.

Stop and allow them to cross before continuing.

Sound your horn to move them.

Turn back immediately.

11 / 40

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

A car-width.

Half a cars length.

A door-width.

A mirror-width.

12 / 40

12. What danger should drivers be most aware of while driving on country roads?

Other vehicles.

Slower moving vehicles.

Falling branches and debris.

Pedestrians.

13 / 40

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

Make the road more slippery.

Increase tyre grip.

Increase tyre noise.

Have no effect.

14 / 40

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

On both sides of the vehicle.

On the front and rear bumpers only.

Front drivers side, rear passenger side.

Front passenger side, rear drivers side.

15 / 40

15. What does this sign mean?

Crossroads with dual carriageway.

No Entry.

Minor road ahead.

Unprotected Level crossing.

16 / 40

16. Whilst driving on a road which has loose chippings you should?

Slow down and allow extra clearance to other traffic until you have cleared that particular area of road.

Press your thumb against the windscreen or motorcycle faring.

Increase speed so as to return to 'normal' road as soon as possible.

Keep the same speed as you would on 'normal' road surfacing.

17 / 40

17. _Wh_{en is it permissible for a car/taxi/bike to use a 'contra-flow' bus lane?}

Never.

From 07.00-09.30am and from 16.00-18.30pm.

When the lane is not in use by a bus.

After dusk/before dawn.

18 / 40

18. Where you see a red warning triangle on the road, you should...

Increase your speed.

Brake suddenly and stop the car as soon as possible.

Decrease speed and watch for a hazard ahead.

Maintain normal speed; warning triangles are only relevant for trucks.

19 / 40

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

Never.

Only on the hard shoulder.

Using the hatched road markings.

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

20 / 40

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

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.

The area of view on the drivers near side only.

21 / 40

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

Turn on the car heater to the maximum level.

Turn on the radio loudly.

Drink strong coffee.

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

22 / 40

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

Overtake as soon as possible.

Follow close behind the offending vehicle.

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

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

23 / 40

23. 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.

24 / 40

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

At all times.

In built-up areas only.

On motorways only.

At speeds over 50 KPH.

25 / 40

25. When is it permissible to carry more passengers in your vehicle than there are seats available?

Never.

Yes, only if they are above the age of fourteen.

Yes, once all passengers are fully insured in the vehicle.

Yes, once they all sit still.

26 / 40

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

Temperature of the car.

Some drivers may not like to use their headlights.

Speed limits do not apply between midnight and 6am.

Drowsiness.

27 / 40

27. You want to reverse your vehicle on a busy street, you should..

Sound your horn and flash your lights as you reverse.

Reverse slowly while checking all around you for other road users.

Use your hazard lights as you turn.

Listen carefully for the sound of other road users.

28 / 40

28. What precautions should be taken while overtaking a cyclist on a windy day?

Allow extra clearance room in case the cyclist is blown off course.

Maintain your course but sound horn to warn cyclist.

Maintain your course but be prepared to swerve around the cyclist if necessary.

Expect the cyclist to keep in to the left out of your way.

29 / 40

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

On the hard-shoulder.

During off-peak hours.

Never.

Only when the area is clear of traffic.

30 / 40

30. At night when approaching an oncoming vehicle with their full beam on.. You should..?

Put on your full headlights.

Flash your lights three times to warn the driver.

Maintain your speed.

Slow down the car and stop if necessary.

31 / 40

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

Increased fuel consumption.

Decreased tyre thread wear.

Reduced fuel consumption.

Only increased fuel consumption in dry weather.

32 / 40

32. What may occur if the headlight lens is broken?

It can reduce and distort the beam.

It can increase the bulb beam angle.

It can increase the beam's brightness.

It can cause the bulb to blow.

33 / 40

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

Monthly.

Weekly.

Bi-monthly.

Annually.

34 / 40

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

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

Reverse by using your mirrors only.

Reverse quickly before other traffic appears.

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

35 / 40

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

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

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.

36 / 40

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

Indicate and accelerate to get turned around without delay.

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.

37 / 40

37. A child is standing in the space between the front seats. What is the greatest danger of allowing this?

They might get trapped.

They might become carsick.

They might impede on the drivers concentration.

They might be thrown forwards if the brakes are applied suddenly.

38 / 40

38. What does this sign mean?

Tram lane crossing ahead.

Bus lane ahead.

Taxi parking ahead.

Unprotected level crossing ahead.

39 / 40

39. When driving in heavy rain you should?

Drop your gear to get higher revs.

Take caution of aquaplaning.

Drive at the same speed as on a dry road.

Keep to the centre of the road.

40 / 40

40. How should you secure your vehicle before getting out?

Ensure the brakes are applied.

Engage a low gear, apply the parking brake and switch off the ignition.

Check all valuables are not visible.

Check that a lower gear is selected.

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