The Core of the Earth is made up of both ____ and ____ in the plastic state.

  • oxygen
  • iron
  • magnesium
  • silica
  • iron
  • magnesium
A safe haven is one place you can leave a vehicle unattended that is hauling explosives. What is the best description of a safe haven?
  • Any property that has been government approved for this use.
When is it necessary to ground the trailer?
  • When filling or unloading any flammable liquid tank. Ground must be maintained until filling hole is properly closed.

What placard must be used with an inhalation hazard load?

  • Flammable
  • Dangerous
  • Poison
  • All of the above

Which option is correct?

  • Poison

Which of the following is a way to decide which placards to use?

  • Materials hazard class
  • Amount of hazardous materials being shipped
  • Total weight of all classes of hazardous materials on your vehicle
  • All of the above

Which statement is correct?

  • All of the above
In Column 1, the “+” sign means:
  • The proper shipping name (whether the material meets the definition of that class or not.)
You have loaded a hazardous material into a cargo tank. What must you do before you move the vehicle?
  • Close all manholes and valves. Be sure they are free of leaks.

A safe haven is one place you can leave a vehicle unattended that is hauling explosives. What is the best description of a safe haven?

  • Any property that has been government approved for this use.
  • Any property that is totally fenced in by an 8 foot high fence and has a guard on duty all day long
  • Any property that is totally fenced in by an 8 foot high fence.
  • All of the above

Which statement is correct?

  • Any property that has been government approved for this use.
One of these shipping paper descriptions for a hazardous material is in the right order. Which one is it?
  • UN 1787, hydriodic acid, corrosive material
A properly prepared uniform hazardous waste manifest:
  • Must be signed and carried by anyone transporting a hazardous waste.