DTT HGV Emergency Procedures

Question 1

If your truck's brakes fail while driving downhill, what is the correct emergency procedure?

Accepted Answer

Pump the brake pedal, downshift through the gears to use engine braking, use the exhaust brake if fitted, and look for a safe runoff area

Answer

Turn off the engine immediately

Answer

Steer into oncoming traffic to avoid going off the road

Answer

Apply the handbrake fully at high speed

Question 2

What should a truck driver do first when arriving at the scene of a road traffic collision?

Accepted Answer

Ensure personal safety, switch on hazard lights, secure the scene with a warning triangle, and call emergency services

Answer

Move injured people immediately

Answer

Drive past to avoid getting involved

Answer

Take photographs for social media

Question 3

At what distance should a warning triangle be placed behind a broken-down truck on a single carriageway?

Accepted Answer

At least 45 metres behind the vehicle on the same side of the road

Answer

Directly behind the rear bumper

Answer

At least 200 metres behind

Answer

Warning triangles are not required for trucks

Question 4

If your truck catches fire while driving, what should you do?

Accepted Answer

Pull over safely, turn off the engine, evacuate the cab, use a fire extinguisher on a small fire if safe to do so, and call the fire brigade

Answer

Continue driving to the nearest fire station

Answer

Stay in the cab and wait for help

Answer

Open the bonnet to let the fire burn out

Question 5

What type of fire extinguisher should be carried in a commercial vehicle?

Accepted Answer

A dry powder extinguisher suitable for Class A, B, and C fires (solid materials, liquids, and gases)

Answer

A water extinguisher only

Answer

No extinguisher is required

Answer

A CO2 extinguisher only

Question 6

If a tyre blows out on a truck at speed, what is the correct procedure?

Accepted Answer

Hold the steering wheel firmly, ease off the accelerator gradually, avoid braking suddenly, and steer to a safe stopping area

Answer

Brake hard immediately

Answer

Accelerate to maintain control

Answer

Turn the steering wheel sharply towards the blown tyre