LGV/HGV Mock Theory Test — 100 Questions, 115 Minutes

LGV Mock Exam

1. You're following a large vehicle. How can you improve your view ahead?

Move over to the left

Drop further back

Overtake as soon as you can

Move over to the right

2. You're driving along a motorway in thick fog at night. The reflective studs are red on your left and white on your right. Which lane are you in?

The left-hand lane

The hard shoulder

The right-hand lane

The middle lane

3. What does this warning light on the instrument panel mean?

Low fuel pressure

Low air pressure

Low water pressure

Low oil pressure

4. When may vehicles over 7.5 tonnes maximum authorised mass (MAM) use the right-hand lane of a motorway to overtake?

When the motorway has 2 lanes

When the motorway has 3 lanes

When vehicles are stopped on the hard shoulder

When other vehicles are turning right

5. What would be the most likely effect of driving with the rev counter in the red band?

You would have optimum fuel economy

You would create a false tachograph reading

You would damage the engine

You would improve engine efficiency

6. Some coaches have a mirror on their nearside, angled down to show the front nearside wheel. When should this extra mirror be used?

When you're pulling in to park at the kerb

Before you change lanes on a motorway

Before you pass parked cars

When you're pulling in after overtaking

7. What should you do if the load on your lorry becomes insecure?

Park and resecure the load before continuing

Inform base at the earliest opportunity

Attach 'hazard' boards to the load to warn other road users

Continue at a slower speed to make sure the load does not fall off

8. You're driving a slow-moving vehicle on a narrow, winding road. What should you do to let other vehicles overtake you?

Stop in a safe place

Wave them past

Drive more slowly

Show a left-turn signal

9. What should you do when you want to join a motorway where traffic is flowing freely?

Build up your speed on the slip road before joining the motorway

Use the hard shoulder, if necessary, to build up speed

Stop at the start of the slip road and move off when you see a gap

Keep to a low speed until you see a gap on the motorway

10. When must you take extra care if you're driving a vehicle more than 3 metres (9 feet 10 inches) high?

When driving under overhead cables

When driving over narrow bridges

When driving up steep hills

When driving near airports

11. What causes 'brake fade'?

Badly worn brake pads

Loss of air pressure in the system

Repeated pumping of the brakes

Continuous use of the brakes

12. You're loading goods of varying weights. How should they be distributed over the width of the vehicle?

Light items at the front, heavy items at the rear

Heavy items near the centre line, light items towards the sides

Light items near the centre line, heavy items towards the sides

Heavy items at the front, light items at the rear

13. Several parked cars are blocking your bus stop. What should you do before allowing passengers to leave the bus?

Check it's clear of traffic on the left

Try to find the car owners

Check it's clear of traffic on the right

Move on to the next bus stop

14. When must an analogue tachograph be recalibrated?

Every 6 years

Every 8 years

Every 4 years

Every 2 years

15. You're the driver of a one-person-operated double-deck bus. How do you stay aware of passengers on the top deck?

By making full use of the internal mirror system

By counting passengers up and down the staircase

By frequent checks upstairs while stopped at bus stops

By listening to passengers in the upstairs gangway when approaching bus stops

16. You're turning left from a main road into a side road. What should you do if people are already crossing the road into which you're turning?

Sound your horn to warn them of your presence

Signal to them to continue crossing

Continue, as you have right of way

Wait and allow them to cross

17. Where would you find these flashing red lights?

At a pelican crossing

At a zebra crossing

At a school crossing

At a level crossing

18. What should you do before overtaking on a single carriageway road?

Make a final check in your left-hand mirror

Flash your headlights at oncoming traffic

Drive very close to the vehicle in front

Look ahead for road junctions

19. When you're carrying other vehicles piggyback, you should use restraints and the parking brake on each vehicle. What else should you do?

Make sure the vehicles are sheeted

Place chocks under the wheels

Put the heavy vehicles at the top

Rope the vehicles together

20. You're driving down a snow-covered hill. Why should you take care when using an independent endurance brake (retarder)?

Your speed could increase

Your brakes could overheat

Compressed air could escape

The drive wheels could lock

21. Which road users are especially at risk at a road junction?

Car drivers

Lorry drivers

Bus drivers

Motorcyclists

22. A disabled person is getting on your bus. What should you do if they're having problems, but say they can manage?

Do nothing; you cannot leave your seat

Ask them politely to hurry up

Be prepared to move off

Smile and offer to help them

23. You're checking your vehicle. What should you do if you discover an air leak in the braking system?

Drive slowly to the nearest garage

Check the leak from time to time on your journey

Start your journey and report the fault on your return

Leave the vehicle parked and report the fault immediately

24. What should you do if you're driving along a motorway and become tired?

Close your windows and turn up the radio volume

Stop on the hard shoulder at a safe place to rest

Leave the motorway at the next exit and take a rest

Close your windows and set the heating to warm

25. When will an articulated car transporter be least stable?

When only the top deck is loaded

When only the lower deck is loaded

When it's fully laden

When it's unladen

26. What does this sign warn of?

Low bridge ahead

Accident hotspot ahead

Tunnel ahead

Incident ahead

27. What can be expected after drivers complete a Driver Certificate of Professional Competence (Driver CPC)?

Reduced traffic volume

Reduced engine emissions

Increased vehicle breakdowns

Increased fuel consumption

28. Why should you look at passengers when you're collecting fares from them?

To be courteous and polite

To see if they're carrying bags

To show them you're in charge

To remove the threat of violence

29. What security precautions should you take if you're carrying a high-value load and have to park and sleep overnight in the cab?

Make sure the doors and windows are secure

Park in a quiet, unlit, non-residential area

Stay at the same location regularly

Lock the doors but leave a window open for ventilation

30. You're driving in the left-hand lane of a motorway. What should you do when you see a large vehicle merging from a slip road ahead?

Be ready to adjust your speed

Stay at the maximum speed allowed for your vehicle

Leave the other vehicle to adjust its speed

Try to race and get ahead of it

31. When would you need to check your nearside mirror?

As a final check before turning right

After passing cars parked on the left

Before moving into the lane on your right

When getting out of your cab on the driver's side

32. What should the hard shoulder on a motorway be used for?

As a place to stop to check a road atlas

As a place to stop for a short rest when you're tired

As a place to stop to answer a mobile phone

As a place to stop when an emergency arises

33. Which passengers should you especially watch for as you move off?

Those attempting to board the bus

Those smoking in the lower saloon

Those avoiding paying the correct fare

Those standing in the upper saloon

34. What should you do before taking or making a call on your mobile phone?

Find a safe place to stop

Steer your vehicle with one hand

Reduce your speed to less than 30 mph

Be very careful when dealing with junctions

35. What should you be most aware of before moving off from a standstill?

Passengers getting off the bus

Passengers asking you directions

Passengers making phone calls

Passengers smoking on the bus

36. You're overtaking another lorry. What should you do if you start to lose speed due to an uphill gradient?

Continue at the same speed and in the same position

Try to force the vehicle you were overtaking to drop back

Try to force the vehicle you were overtaking to speed up

Ease off and drop behind the vehicle you were trying to overtake

37. Who must you tell when your vehicle collides with a bridge?

Your local garage

The local authority

The police

The fire service

38. How can you find out when an analogue tachograph was last recalibrated?

From a date on the tachograph chart

By checking the vehicle's service record

From a plaque on or near the tachograph

By contacting the vehicle's manufacturer

39. You'll be driving a high-floor coach. You'll be going over several high bridges. Why should you check the weather forecast before starting your journey?

You’ll not be able to climb the bridges if it's frosty

Some roads may be closed to certain vehicles in high winds

Rain can make crossing bridges very difficult for buses and coaches

In hot weather, the bridges might be closed to heavy traffic

40. You're driving a lorry carrying a load that's 4.5 metres (14 feet 9 inches) wide. What's the maximum speed you're allowed to drive on a motorway?

40 mph

30 mph

20 mph

10 mph

41. What could happen if you overfill your engine with oil?

Better handling

Loss of power

Lower emissions

Longer service intervals

42. What danger should you be most aware of if you're driving close to the kerb in a busy shopping area?

Solid white line markings in the centre of the road

Traffic lights that may suddenly change to green

The amount of fuel being used when driving slowly

The nearside mirror striking the heads of pedestrians

43. When do long vehicles sometimes need to straddle lanes?

When driving on motorways

When coming to contraflow systems

When travelling empty

When turning at tight junctions

44. Which of these signs means turn left ahead?

45. You're about to move off in a vehicle that has automatic transmission. What must you do before you select 'D' (drive)?

Signal to move off

Alter your seat position

Adjust your mirrors

Put your foot on the footbrake

46. What's the best way to control your vehicle when driving on snow?

Keep the engine revs high and slip the clutch

Keep the engine revs high and spin the wheels

Drive slowly, in a higher gear than normal

Drive in your vehicle's lowest gear

47. What must be clearly displayed on your bus?

The emergency-exit location

The location of all bus stops

Your employee number

The route timetable

48. There's a slow-moving motorcyclist ahead of you. What should you do if you're unsure what the rider is going to do?

Move closer

Stay behind

Pass on the left

Pass on the right

49. Under assimilated (EU) rules, a driver must take regular breaks from driving. What maximum period of continuous driving is allowed?

4.5 hours

5.5 hours

3 hours

4 hours

50. You're making several deliveries. What problems may the decreasing payload cause?

You might overload an axle

You might exceed your kerbside weight

You'll damage the rest of the load

You'll always have heavy items remaining

51. Drivers can be fined for bringing illegal immigrants into the UK. Who else can be fined?

The vehicle manufacturer

The vehicle hirer

The vehicle insurer

The vehicle repairer

52. You're driving a six-wheeled double-deck bus. What do you need to know about punctures on the rear tyres?

They're more difficult to detect

They're more likely to happen

They're much easier to detect

They're less likely to happen

53. Your bus breaks down on the motorway. What should you do if it’s not feasible to remove your passengers from the vehicle?

Tell passengers to stay in the same seats

Move passengers to the front of the bus

Move passengers to the middle of the bus

Move passengers to the rear of the bus

54. What should you do to prevent fuel spillage?

Use a filtered fuel system

Close and secure the filler cap

Place the drip tray correctly

Stop refuelling when the tank is half full

55. Why is tailgating dangerous?

Your engine will overheat

Your view to the rear is reduced

Your view ahead is reduced

You're likely to be distracted

56. Where should you stop when you're stopping to collect passengers at a bus stop?

Away from the kerb

Close to the kerb

Before the bus stop

After the bus stop

57. Why may coaches be subject to a search by immigration authorities at international ports?

To check vehicle condition

To check for red diesel

For national security

For tachograph regulations

58. You're turning right at a T-junction. What should you do when your view to the right and left is blocked by parked vehicles?

Lean forward to get a better view without crossing the 'give way' lines

Edge out until you're about 1 metre (3 feet 3 inches) over the 'give way' lines

Ask a passenger to assist by waving you out when it's clear

Ease forward until you can see clearly in all directions

59. Your vehicle breaks down on the hard shoulder of a motorway. What should you do if you decide to use your mobile phone to call for help?

Check your location from the marker posts on the left

Use the speed-dial function to save time

Stand at the rear of the vehicle while making the call

Set the tachograph to 'Other work' before making the call

60. You're the driver of a bus displaying reflective yellow school-bus signs. When are you allowed to use hazard warning lights?

When children are boarding the bus

When parked to take a rest period

When slowing down to find a parking space

When slowing down to approach a bus stop

61. What should you do before changing lanes to overtake on a motorway?

Check your mirrors carefully

Increase your speed gently

Change to a lower gear

Look over your left shoulder

62. You've stopped for an elderly pedestrian who's slowly crossing the road. What should you do if traffic behind you is being held up?

Steer slowly around them to ease the build-up of traffic

Get out of your vehicle and wave them across

Edge forward slowly and make them hurry

Stay where you are and allow them to cross in their own time

63. Some lorries have an extra mirror angled down towards the nearside front wheel. What's this mirror especially useful for?

Turning right

Parking

Checking your trailer

Overtaking

64. You're driving a lorry with a maximum authorised mass of more than 7.5 tonnes along a three-lane motorway. When may you use the right-hand lane?

To overtake slower lorries

If you drive at more than 60 mph

If you're travelling unladen

When the left-hand lane is closed

65. You're driving a laden articulated lorry with a maximum authorised mass of 38 tonnes on a dual carriageway in England. What speed limit applies to your vehicle after passing this sign?

50 mph

70 mph

40 mph

60 mph

66. You're driving an open tipper lorry carrying loose dry sand. Why should you sheet this load?

To stop the load from blowing away

To stop the load from shifting

To stop the handling from being affected

To stop the tipper mechanism from accidentally operating

67. In strong winds, an overtaking lorry can cause additional air turbulence that can affect other road users. Which vehicle is most at risk from this turbulence?

A car

A coach

A delivery van

A motorcycle

68. You're driving at night. What does it mean if you see a pedestrian wearing reflective clothing and carrying a red light?

You're approaching an organised walk

You're approaching roadworks

You're approaching an accident hotspot

You're approaching a slow-moving vehicle

69. Which articulated trailer is most at risk of jack-knifing?

A loaded high-sided trailer

A loaded flat-bed trailer

A laden fuel tanker

An unladen trailer

70. You're driving near a school in heavy traffic. What should you do when there are children walking close to the kerb on your side of the road?

Stop for a moment to see what they do

Wave at them to move back from the kerb

Drive slowly until you're clear of the area

Move to the other side of the road

71. You're approaching a green traffic light and are going straight ahead. What should you do when the traffic ahead, beyond the junction, has stopped and is queuing?

Go forward if your vehicle will clear the junction

Maintain your speed and sound your horn

Drive slowly across the junction

Stop across the junction until the traffic clears

72. What's the fifth-wheel coupling used for?

To prevent the trailer from jack-knifing

To attach air lines to the trailer

To support the trailer when it's detached

To connect the tractor unit to the trailer

73. Under assimilated (EU) rules, your daily rest can be reduced to 9 hours. For how many times between weekly rest periods is this allowed?

Once

Twice

4 times

3 times

74. What will result from having over-inflated tyres?

The tyres will give better grip

You'll have improved acceleration

The tyres will wear more quickly

The fuel consumption will be reduced

75. How can a lorry driver avoid brake fade?

Select an appropriate gear before downhill gradients

Make sure that the parking brake is applied before stopping

Make sure that the air tanks are drained before journeys

Check that the air pressure is correct

76. How could a professional driver improve their efficiency?

Plan routes to avoid busy times and congestion

Avoid route-planning because of the time it takes

Keep to maximum speeds for shorter journeys

Drive at a faster speed through hazardous areas

77. What should you do if you intend to overtake a lorry that's throwing up spray?

Wait until the other driver gives a left signal

Wait for the lorry to slow down on a hill

Get much closer before moving out

Move out earlier than normal

78. You're about to drive home. What should you do if you feel very tired and have a severe headache?

Drive home if you can stay awake for the journey

Wait until you're fit and well before driving

Drive home, but take painkiller tablets

Wait for a short time, then drive home slowly

79. When should you use your mirrors?

Occasionally

To check the blind spot

Before opening your door

As you signal

80. Your vehicle is fitted with an engine management system. What will happen if you press the accelerator when you're starting the engine?

Oil consumption will be reduced

An excessive amount of fuel will be used

Exhaust emissions will be reduced

There'll be an excessive build-up of air pressure

81. You're driving on a motorway. What should you do if your view ahead is restricted by heavy spray?

Move into the lane on the right

Leave the motorway at the next exit

Switch on your dipped headlights

Use the two-second rule

82. What does the term 'maximum authorised mass' (MAM) mean?

The maximum permissible weight of your vehicle, without passengers or luggage

The maximum permissible weight of your vehicle, with both luggage and passengers

The maximum permissible weight of your vehicle, with passengers but no luggage

The maximum permissible weight of your vehicle, with luggage but no passengers

83. What should you be careful of when stopping on the left in a busy place?

Your nearside mirror does not strike the head of a pedestrian

You change your tachograph mode

You've disconnected all the air lines

There's good access to unload

84. You've parked for a short time in a town while you plan your route. What should you do while your vehicle is parked?

Hold the engine at a fast tick-over to maintain air pressure

Switch off the engine

Keep the engine running on tick-over

Rev the engine occasionally to maintain air pressure

85. Your steering suddenly becomes heavy to turn. What could make this happen?

A fault with the power-assisted steering

An uneven road surface

A faulty parking brake

A loss of air-brake pressure

86. When should an anti-lock braking system (ABS) warning light turn off?

When the secondary braking system is used

When the brakes are used for the first time

When road speed is 6 mph (10 km/h) or more

When the ABS comes into operation

87. Why do motorcyclists use dipped headlights in the daytime?

To improve their vision

To stop the battery overcharging

To scare wildlife off the road

To make themselves more easily seen

88. What does this sign mean?

Warning of lorry straight ahead

Warning of lorry crossing a one-way road

No entry for vehicles over 32.6 tonnes

No entry for vehicles over 32 feet 6 inches (9.9 metres) long

89. Your lorry has been fitted with wind deflectors. How will they affect your vehicle?

They'll require increased tyre pressures

They'll reduce the stability

They'll reduce the wind resistance

They'll increase the fuel consumption

90. Poor eating habits can increase your risk of long-term health problems. What may result from a poor diet?

Epilepsy

Lung disease

Heart disease

Deafness

91. Your lorry is equipped with anti-lock brakes. What's the correct procedure for stopping in an emergency?

Apply the footbrake firmly and continuously until the vehicle has stopped

Apply the footbrake and handbrake until the vehicle has stopped

Apply the handbrake only

Apply the footbrake firmly in a pumping action until the vehicle has stopped

92. You're following a lorry that's leaking fuel. What should you be especially aware of?

Your spray reducers will not be effective

Your brake linings will become slippery

The road may be very slippery

The fuel may splash your vehicle

93. It's raining. Why would a motorcyclist steer around drain covers on a bend?

To avoid puncturing the tyres

To avoid splashing pedestrians

To improve their view around the bend

To reduce the risk of skidding

94. You've stopped on a firm, level surface. What's the first thing you must do before you uncouple the trailer?

Uncouple the electrical lines

Release the brake air lines

Lower the trailer legs to the ground

Apply the parking brake

95. On your daily walkaround check, you see that one front tyre is more than 10 years old. What should you do before using the vehicle?

Record the tyre's age on your log

Get the tyre replaced

Check the tyre pressure

Check the tread depth

96. Many modern vehicles are fitted with an additional nearside mirror. What does this help the driver to see?

The exhaust to check for emissions

The rear of the vehicle when reversing

The front wheel in relation to the kerb

The distance of the following vehicle

97. You're driving at the legal speed limit.
What should you do if a vehicle comes up quickly behind, flashing its headlights?

Allow the vehicle to overtake

Touch the brake pedal sharply to show your brake lights

Accelerate to maintain a gap behind you

Maintain your speed and prevent the vehicle from overtaking

98. You're turning left from a main road into a side road. What should you do if there’s a pedestrian on the pavement waiting to cross the side road?

Flash your lights to encourage the pedestrian to cross

Sound your horn to let the pedestrian know you’re there

Wait and give way to the pedestrian

Carry on turning into the side road

99. What must buses and coaches display when they're used for school contract work?

School-bus signs

'No overtaking' signs

Triangular warning signs

Flashing amber beacons

100. Why must these road markings be kept clear?

To allow an unobstructed view of the area

To allow schoolchildren to be dropped off

To allow schoolchildren to be picked up

To allow teachers to park

Practice settings

Questions to review