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LGV Theory Test Questions

930 Questions

Image	Question	Topic
	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?