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What are the two most abundant elements in Earth’s crust?
- oxygen
- Manganese
- Silicon
- Iron
Correct answer(s):
- Oxygen
- Silicon
Which one of the following minerals occurs abundantly in the earth’s crust?
Correct answer(s):
- Silica
Which one of the following elements is the most abundant in the Earth’s crust?
Correct answer(s):
- Oxygen
The approximate circumference of the Earth is:
Correct answer(s):
- 40075 km
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?
Correct answer(s):
- Any property that has been government approved for this use.
You may not park a vehicle carrying hazardous materials within ____ feet of an open fire.
Correct answer(s):
- 300
When is it necessary to ground the trailer?
Correct answer(s):
- 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?
Correct answer(s):
- 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?
Correct answer(s):
- All of the above
In Column 1, the “+” sign means:
Correct answer(s):
- 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?
Correct answer(s):
- 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?
Correct answer(s):
- 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?
Correct answer(s):
- UN 1787, hydriodic acid, corrosive material
When a spill occurs of an “RQ” substance the carrier has within ____ to report the spill.
Correct answer(s):
- 30 days
A properly prepared uniform hazardous waste manifest:
Correct answer(s):
- Must be signed and carried by anyone transporting a hazardous waste.
A placard must be placed …
Correct answer(s):
- At least three inches away from any other markings
A placard on the trailer is intended to …
Correct answer(s):
- Communicate the risk of hazardous materials
The placards should be placed on the vehicle …
Correct answer(s):
- Before you drive it
In the materials class is listed the word “forbidden”. What kinds of materials are you still allowed to haul?
- Any other hazardous material
- You can’t haul a “forbidden” cargo
- Nothing
Which are the correct statement?
Correct answer(s):
- You can't haul a "forbidden" cargo
- Nothing
If you are in an accident involving hazardous materials, you should:
Correct answer(s):
- Keep all people far away and upwind of the accident.