Practice question

What requirement applies to the coupling device of a trailer attached to an EX/II or EX/III towing vehicle?

  1. It must be lockable, securely mounted, and designed to prevent accidental uncoupling or sparking during transport
  2. It must consist of a loose rope tied with a reef knot
  3. It must be lubricated with nitrated gunpowder paste
  4. It must allow the trailer to swing freely up to 180 degrees

Answer: A — It must be lockable, securely mounted, and designed to prevent accidental uncoupling or sparking during transport

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: UK ADR Class 1 Explosives Practice Questions - UK ADR Dangerous Goods Driver Class 1 Explosives Exam (Qualifications Scotland DfT) Exam →