Practice question

What is the Criticality Safety Index (CSI) used for in Class 7 transport under ADR 2.2.7.1.3?

  1. A measure of how fast a truck can take sharp corners
  2. A score rating for driver eyesight sharpness
  3. A number assigned to packages containing fissile material (e.g. U-235, Pu-239) to control accumulation of packages and prevent accidental nuclear criticality
  4. The tire wear indicator index

Answer: C — A number assigned to packages containing fissile material (e.g. U-235, Pu-239) to control accumulation of packages and prevent accidental nuclear criticality

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