Practice question

Why is Compatibility Group S unique compared to all other compatibility groups in Class 1?

  1. Hazardous effects arising from accidental functioning are confined within the package unless degraded by fire
  2. Packages in Group S may be carried in any non-EX vehicle without any ADR driver training
  3. Group S explosives spontaneously detonate if exposed to atmospheric moisture
  4. Group S items are exempt from orange-plate display regardless of quantity

Answer: A — Hazardous effects arising from accidental functioning are confined within the package unless degraded by fire

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