Practice question

A shipper has loaded a tank trailer with 1,500 gallons of gasoline (UN1203, Class 3). What placards are required on the vehicle?

  1. No placards because it is under 1,001 lbs
  2. Flammable (Class 3) placards on all four sides
  3. Only the front and rear of the vehicle
  4. Combustible Liquid placards only

Answer: B — Flammable (Class 3) placards on all four sides

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