App for drilling adr package labelling vs adr vehicle tank plates lorry exam free
Package labelling and vehicle or tank plating are two scales of the same system. Individual packages carry smaller hazard labels (the diamond). The vehicle or tank carries large placards, and under ADR a plain orange plate, often with a hazard identification number over the UN number on tanks. The diamond design is shared; what differs is size, placement, and the orange plates on bulk.
Two scales, one system
ADR labelling works at two scales. Individual packages, boxes and drums, carry hazard labels: the same hazard diamond at a package-appropriate size. The transport unit, a vehicle or a tank, carries the large placards and, distinctively under ADR, plain orange plates. The hazard diamond is shared between them; the difference is scale and the added orange plates on the vehicle and tanks.
Package labelling
On packages you read the hazard label: the diamond with its color, symbol, and class number, sized to be read up close while handling. A package of dangerous goods shows these labels for each hazard, primary and any subsidiary, so a handler knows what the box contains.
Vehicle and tank plating
The transport unit adds plates and placards:
| Package labelling | Vehicle / tank plating | |
|---|---|---|
| Marking | Hazard label (diamond) | Placards + orange plates |
| Size | Smaller (read up close) | Large (read at a distance) |
| Orange plate | n/a | Plain orange (tanks: Kemler over UN) |
| Goes on | Each package | The vehicle and tanks |
Same diamonds; bulk adds placards and orange plates. Verify with the official ADR materials.
The orange plate on tanks
A defining ADR feature is the plain orange rectangular plate. On a tank carrying a single substance it shows two numbers: the hazard identification (Kemler) number on top, describing the danger, and the four-digit UN number below, identifying the substance. An unmarked orange plate can signal a mixed or general dangerous-goods load. This plate is what most distinguishes ADR vehicle plating from package labelling.
How to drill the two
Practice them as a pair: small diamond labels on packages, large placards plus orange plates on the vehicle and tanks. The hazard recognition (color, symbol, number) is identical, so drill that once, then layer in the orange-plate reading for tanks. Because ADR plating and labelling rules are detailed, confirm the specifics with the official ADR materials for your exam.
Frequently asked questions
- What is the difference between ADR package labels and vehicle plating?
- Packages carry small hazard labels (the diamond); the vehicle and tanks carry large placards plus plain orange plates, and on tanks the orange plate shows a hazard identification (Kemler) number over the UN number. Same diamonds, different scale. Verify with the official ADR materials.
- What is the orange plate on an ADR tank?
- A plain orange rectangular plate showing two numbers on a single-substance tank: the hazard identification (Kemler) number on top and the four-digit UN number below. It is a defining ADR vehicle-plating feature.
- Are the package and vehicle diamonds the same?
- Yes, the hazard diamond (color, symbol, class number) is shared. The difference is size and placement, small labels on packages versus large placards and orange plates on the vehicle and tanks.