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LGV Theory Test Questions

930 Questions

Image	Question	Topic
	Why is tailgating dangerous?
	Why might it be difficult to see motorcyclists at junctions?
	Why must these road markings be kept clear?
	Why mustn’t you stop on these road markings?
	Why should the height of a load be kept to a minimum?
	Why should you allow extra room for motorcyclists when they’re riding through roadworks?
	Why should you be aware of motorcyclists on a motorway when there are gusty winds?
	Why should you be especially aware of parked cars when you’re driving at night?
	Why should you carry out a daily walk-round check before setting off?
	Why should you carry spare tachograph charts?
	Why should you check for motorcyclists just before turning right into a side road?
	Why should you check your right-hand mirror just before turning right from a main road into a side road?
	Why should you slow down when you see this sign?
	Why should you slow down when you see this sign?
	Why should you take care before moving into the centre lane of a three-lane motorway?
	Why should you take extra care when overtaking at night?
	Why should you use an approved coolant solution in your engine’s cooling system?
	Why should your engine oil be changed at the recommended intervals?
	You approach a pelican crossing that goes straight across the road. How must you treat it if it has a central island?
	You arrive at an incident involving a motorcyclist. The motorcyclist is unconscious and bleeding. What should be your priority?
	You arrive at an incident where someone is suffering from severe burns. What should you do to help?
	You arrive at the scene of an incident. A casualty has an injured arm that’s bleeding heavily. What should you do while waiting for the emergency services to arrive?
	You arrive at the scene of an incident and someone is unconscious. What’s the first thing you should do to help them?
	You arrive at the scene of an incident. How should you deal with someone who is hysterical?
	You arrive at the scene of an incident. The emergency services have already been called. A pedestrian is bleeding heavily from a leg wound, but their leg isn’t broken. What should you do to help them?
	You arrive at the scene of an incident where a motorcyclist is lying in the middle of the road and unconscious. What’s the first thing you should do?
	You arrive at the scene of an incident where someone is injured. What should be given urgent priority?
	You discover that one of your rear brake-light bulbs has failed. How soon should it be replaced?
	You have stopped in an emergency area. What must you do before you rejoin the carriageway?
	You have to drive onto a muddy building site. Why should you switch on your diff-lock?
	You hit the kerb at speed. What part of your vehicle should you check for damage?
	You hold a full category C licence. What does this entitle you to tow?
	You intend to move a heavy object using a barrow or trolley. What’s the best height for the handles?
	You must have enough tachograph charts with you for your journey. When do you need to start a new chart?
	You need to stop and get out of your vehicle. When should you use the parking brake?
	You notice that one of your tyres has a bulge in the side wall. What will happen if you drive the vehicle?
	You see a horse rider as you approach a roundabout. What should you do if they’re signalling right but keeping well to the left?
	You see this sign on a smart motorway. Which lane can you use?
	You see this traffic light ahead. Which light or lights will come on next?
	You stop for pedestrians at a zebra crossing. What should you do if they don’t start to cross immediately?
	You take some cough medicine given to you by a friend. What must you do before driving?
	You want to turn left at a junction. What affects the position you take up as you approach the junction?
	You want to turn right at a roundabout marked with two right-turn lanes. What should you do if there’s ample room for your vehicle in either lane?
	You wish to turn left into a side road. What should you do if there’s a cyclist in front as you approach the junction?
	You’ll be driving your vehicle in Europe. Which of these documents must you carry?
	You’ll need to take 35 hours of training to maintain your Driver Certificate of Professional Competence (Driver CPC). Over what period must this be carried out?
	Your doctor has given you a course of medicine. Why should you ask whether it’s safe to drive?
	Your engine catches fire. What should you do before attempting to put the fire out?
	Your lorry has a crane fitted. You’re loading very heavy items. What should you do when you feel that the ropes or straps may break?
	Your lorry has a curtain-sided body. Your route will take you over several high-level bridges. Why should you check the weather forecast before starting your journey?
	Your lorry has a demountable body. What should you check before demounting the body?
	Your lorry has a double-deck body. The top tier is loaded and the lower deck is empty. When will the vehicle be most at risk of overturning?
	Your lorry has a mirror to show the area immediately in front of the vehicle. When should you use this mirror?
	Your lorry has a sleeper cab. Why could this make your driving more difficult?
	Your lorry has been fitted with wind deflectors. How will they affect your vehicle?
	Your lorry is equipped with anti-lock brakes. What’s the correct procedure for stopping in an emergency?
	Your lorry is fitted with a driver’s seat belt. When may you drive without wearing it?
	Your lorry is stuck in snow. You use the diff-lock to move off. When should you switch the diff-lock off?
	Your steering suddenly becomes heavy to turn. What could make this happen?
	Your tractor unit has three air lines. You’re connecting to a trailer that has two air-line couplings. What colour is the line you shouldn’t connect to the trailer?
	Your vehicle breaks down during a journey. You continue by driving in another vehicle with the same type of tachograph. What must you do with your tachograph chart?
	Your vehicle breaks down on a motorway and you need to call for help. Why may it be better to use an emergency roadside telephone rather than a mobile phone?
	Your vehicle breaks down on a motorway. What should you do if you can’t get it fully onto the hard shoulder?
	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?
	Your vehicle catches fire while you’re driving through a tunnel. What should you do if the vehicle can still be driven?
	Your vehicle has a maximum authorised mass of 40 tonnes. The kerbside weight is 15 tonnes. What’s your maximum payload?
	Your vehicle has a maximum authorised mass of 40 tonnes. The tare weight is 10 tonnes. What’s your maximum payload?
	Your vehicle has anti-lock brakes. How does this affect you when you’re braking normally?
	Your vehicle has broken down at night on a two-way road. How should you try to leave the vehicle?
	Your vehicle has collided with a railway bridge. What information must you give the railway authority when you telephone them?
	Your vehicle has double rear wheels. Why should you check them before leaving a building site?
	Your vehicle is fitted with a ‘diff-lock’. When would you normally use it?
	Your vehicle is fitted with a hand-held telephone. What should you do before taking or making a call?
	Your vehicle is fitted with a reverse warning bleeper. How will this affect you when you’re reversing?
	Your vehicle is fitted with air-assisted hydraulic brakes. What fault would you suspect if the brake pedal becomes hard to press?
	Your vehicle is fitted with air-assisted hydraulic brakes. What would warn you that there isn’t enough air in the system?
	Your vehicle is fitted with air brakes. What does it mean if a brake warning light shows when you’ve just started the engine?
	Your vehicle is fitted with an air-assisted hydraulic braking system. What would warn you that the vacuum pump isn’t working?
	Your vehicle is fitted with an analogue tachograph. What should you do if you need to exceed the normal drivers’ hours due to an emergency?
	Your vehicle is fitted with an anti-lock braking system. What’s it designed to allow you to do?
	Your vehicle is fitted with an anti-lock braking system. When should you check that it’s working properly?
	Your vehicle is fitted with an engine management system. What will happen if you press the accelerator when you’re starting the engine?
	Your vehicle is fitted with hydraulic brakes. Why might the brake pedal go down too far when it’s pressed?
	Your vehicle is fully loaded. Where should you be braking when dealing with bends?
	Your vehicle is involved in an incident where someone is injured. You don’t produce your insurance certificate at the time. How soon must you report the incident to the police?
	Your vehicle is more than 3 metres (9 feet 10 inches) high. Where is this information displayed?
	Your vehicle leaks diesel fuel on a roundabout. Who will this affect most?
	Your vehicle suffers a tyre blow-out. How could this create a hazard for other road users?
	You’re a driver who’s certified to carry dangerous goods. How long is your certificate valid?
	You’re about to drive a vehicle fitted with air-assisted hydraulic brakes. Why might the brake pedal feel hard when you press it?
	You’re about to drive a vehicle fitted with hydraulic brakes. What should you check before driving the vehicle?
	You’re about to drive a vehicle you’ve never driven before. What should you consider when adjusting your seat?
	You’re about to drive an unfamiliar vehicle. What should you do if you think there may be moisture in the air-brake reservoir?
	You’re about to drive home. What should you do if you feel very tired and have a severe headache?
	You’re about to overtake a cyclist on a road that has a 30 mph speed limit. How much room should you leave them as you overtake?
	You’re about to overtake a motorcyclist when they look around over their right shoulder. What’s the most likely reason for them doing this?
	You’re about to overtake horse riders. What could scare the horses?
	You’re about to pass this car. What’s the main hazard you should be aware of?
	You’re about to start a long journey midway through the day. What should you do if you notice that the sidelights work but the headlights are faulty?
	You’re applying for an LGV or PCV licence for the first time. What will your medical examination include?