Practice question

A DOT 412 cargo tank can be recognized by which of the following features?

  1. Round cross-section with single dome (gasoline)
  2. Oval cross-section with multiple compartments (low-pressure flammables)
  3. Reinforcing rings, capacity less than 6,000 gal, primarily for corrosives
  4. Cryogenic outer jacket with relief vent

Answer: C — Reinforcing rings, capacity less than 6,000 gal, primarily for corrosives

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