Incidents, accidents and emergencies questions LGV theory test
This topic has 61 practice questions. Here are 10 of them with the right answer and why.
What should you do when there's a fire in your vehicle's engine compartment?
- Open all windows
- Try to remove the load
- Flag down a passing motorist
- Cut off the fuel supplyRight answer
If you suspect a fire, try to isolate the source. If possible, disconnect electrical leads and cut off the fuel supply.
What training must you take before driving a lorry loaded with toxic substances?
- How to use fire-fighting equipmentRight answer
- How to operate a forklift truck
- How to operate a lorry-mounted crane
- How to use breathing apparatus
Vehicles carrying dangerous goods and other materials that may pose a hazard are subject to detailed emergency procedures. These procedures must be followed. Appropriate fire-fighting equipment must be available and the driver must be trained in its use.
You're approaching a bridge that has no height restriction on it. What's the minimum height under the bridge?
- 3.6 metres (11 feet 9 inches)
- 4.4 metres (14 feet 6 inches)
- 4.8 metres (16 feet)
- 5 metres (16 feet 6 inches)Right answer
The headroom under bridges in the UK is at least 5 metres (16 feet 6 inches), unless otherwise stated. Where the overhead clearance is arched, this headroom is normally only between the limits marked.
What must you do if you're involved in a traffic incident?
- Drive on for help
- Inform the police within 7 days
- Stop at the sceneRight answer
- Drive to the nearest police station
If your vehicle is involved in a traffic incident, you must stop. Follow the guidance set out in The Highway Code if there's injury or damage to any other person, vehicle or property.
Your vehicle is involved in an incident where someone is injured. You do not produce your insurance certificate at the time. How soon must you report the incident to the police?
- 24 hoursRight answer
- 48 hours
- 72 hours
- 7 days
If you do not give your name and address at the time of an incident, report it to the police as soon as you can, or in any case within 24 hours. If any other person is injured and you do not produce your insurance certificate to the police at the time of the incident, or to any other person who has reasonable grounds to request it, you must also • report the incident to the police as soon as possible, or in any case within 24 hours • produce your insurance certificate to the police either when reporting the incident or within 7 days (5 days in Northern Ireland) at any police station.
You're at the scene of an incident. What does it mean if there's a plain orange rectangle displayed on one of the vehicles?
- It's carrying dangerous goodsRight answer
- It's carrying a first-aid kit
- It's carrying medical supplies
- It's unladen
Vehicles that carry dangerous goods have badges displayed on the side and rear. The badges are orange and show the type of material that's being carried. Make a note of this and report it to the emergency services when you contact them.
You arrive at an incident where someone is suffering from severe burns. What should you do to help?
- Douse the burns with cool waterRight answer
- Remove anything stuck to the burns
- Burst blisters that form on the burns
- Apply ointment to the burns
Clean, cool water will cool the burning tissue and help prevent further damage. It will also reduce swelling, minimise shock and alleviate pain.
You're waiting for the emergency services to arrive at the scene of an incident. A pedestrian's leg is bleeding heavily, but there's nothing embedded in the wound. What could you do to help?
- Apply firm pressure to the woundRight answer
- Dab the wound to stop the bleeding
- Put the casualty into the recovery position
- Wrap an ice pack near the wound
Before helping the pedestrian, you should protect yourself from contact with blood. If there's nothing embedded in the wound, you can stem the flow of blood by applying pressure to the wound area. As soon as practical, fasten a pad to the wound with a bandage or cloth.
At the scene of an incident, an injured person is lying in a busy road. What's the first thing you should do to help?
- Treat the person for shock
- Warn other trafficRight answer
- Place them in the recovery position
- Make sure the injured person is kept warm
You should warn other road users that there has been a incident. You can do this by displaying an advance warning triangle or by switching on hazard warning lights or other lights. However you choose to warn people of the incident, make sure it doesn't put you or others at risk.
You're the first person to arrive at an incident where people are badly injured. What's the first thing you should do?
- Switch on your own hazard warning lightsRight answer
- Contact the local radio station to tell them about the incident
- Try and get people who are injured to drink something
- Move the people who are injured clear of their vehicles
If you're the first to arrive at an incident, further collisions and fire are the immediate concerns. Switch on your hazard warning lights to warn other traffic. Stop any running vehicle engines to reduce the risk of fire. Do not assume that someone else has called the emergency services - do it yourself. Do not move casualties trapped in vehicles unless they're in danger.