Orange-coloured plates, placards and hazard identification numbers
On the vehicle, the emergency services recognise the hazard from the orange-coloured plates, the placards and other marks. You learn dimensions, placement, the meaning of the hazard numbers and when each is required.
- 29 questions in this topic
- Topic 5 of 14 in the course: ADR/SDR – dangerous goods driver: basic course, tank, classes 1 and 7
CHF 9.90 one-time Buy course Go to course
From the key facts
- Two orange-coloured plates at the front and rear of the transport unit, perpendicular to its longitudinal axis, clearly visible (ADR 5.3.2.1.1).
- Orange-coloured plate: retro-reflective, 40 cm wide, 30 cm high, black border 15 mm; figures 100 mm high, stroke 15 mm (ADR 5.3.2.2.1, 5.3.2.2.2).
All key facts, the questions with explanations and the exam simulation are part of the course.
Sample questions from this topic
3 of 29 questions free to try. All questions with explanations and the exam simulation are part of the course.
Question 1: Where are the orange-coloured plates placed on a transport unit carrying packages?
- At the front and rear, perpendicular to the longitudinal axis
- Only at the rear, above the number plate
- On both sides and on the roof
Show answer
Correct answer: At the front and rear, perpendicular to the longitudinal axis
Transport units carrying dangerous goods display two orange-coloured plates, one at the front and one at the rear, perpendicular to the longitudinal axis and clearly visible.
Legal reference: ADR 5.3.2.1.1
Question 2: What are the dimensions of a normal-size orange-coloured plate?
- 50 cm wide and 25 cm high, black border 20 mm
- 40 cm wide and 30 cm high, black border 15 mm
- 30 cm wide and 40 cm high, black border 10 mm
Show answer
Correct answer: 40 cm wide and 30 cm high, black border 15 mm
The orange-coloured plate is retro-reflective, has a base of 40 cm, a height of 30 cm and a black border of 15 mm.
Legal reference: ADR 5.3.2.2.1
Question 3: What character height do the figures on an orange-coloured plate have?
- 100 mm with a 15 mm stroke
- 150 mm with a 20 mm stroke
- 50 mm with a 10 mm stroke
Show answer
Correct answer: 100 mm with a 15 mm stroke
The hazard identification number and the UN number consist of black figures 100 mm high with a stroke width of 15 mm.
Legal reference: ADR 5.3.2.2.2