CDL · Hazardous materials

During loading and unloading, smoking is never allowed near materials of which hazard classes?

Correct answer: Those in Classes 1, 2.1, 3, 4, and 5.

Answer options

  1. AThose in Classes 6, 7, and 8 only
  2. BThose in Classes 1, 2.1, 3, 4, and 5 Correct
  3. CThose in Classes 2.2, 8, and 9 only

Why

Explosives (Class 1), flammable gases (2.1), flammable liquids (3), and flammable solids (4) can be ignited by a single spark, and oxidizers (5) make any fire burn much hotter, so no one should smoke while these are being loaded or unloaded.

About this question

Topic: Hazardous materials   License: CDL

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