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Commercial Driver’s License (CDL) Exam Endorsement Test: The Hazardous Materials Test
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Commercial Driver’s License (CDL) Exam Endorsement Test: The Hazardous Materials Test
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25 Questions

1. Which three classes of hazardous materials should not be loaded in a cargo space that has a heater
2. You are transporting hazardous materials in a vehicle with dual tires and have just checked your tires for proper inflation. How soon must you stop and check your tire pressure again
3. If you discover a cargo leak, what should you do
4. You cannot have overhang or tailgate loads of
5. A placarded vehicle must have _____ identical placards.
6. If you are transporting hazardous cargo, what is an acceptable place to keep the shipping papers
7. Besides the material’s hazard class, what else determines which placards you must use
8. You are transporting Division 1.1 explosives and you need to park and leave your vehicle. You may let someone else watch your vehicle if your vehicle is
9. What does the transport index on a package label tell you
10. You discover a fire in your vehicle while transporting hazardous materials. Which of the following is a proper procedure
11. You are transporting Class B explosives and your vehicle breaks down. What should you use to signal for help
12. You must carry with you a written route plan when transporting
13. You should not smoke or carry a lighted cigarette, cigar, or pipe within 25 feet of any vehicle that contains
14. If hazardous material is spilling from your vehicle, what should you do
15. A package labeled _________ should not be loaded in the driver’s cab or sleeper.
16. Which of the following combinations of materials in the same vehicle is allowed
17. The person watching someone load or unload a cargo tank must be within ____ feet of the tank.
18. With which division(s) of explosives must you use a floor lining
19. In order to determine which placards you must use for a particular hazardous material, which column of the Hazardous Materials Table should you check
20. Corrosive liquids should never be loaded next to or above
21. Your vehicle is involved in a collision while you are transporting explosives. Which of the following is a proper thing to do
22. You should not transport substances that are “Forbidden.” In which column of the Hazardous Materials Table should you look to determine if a material you have been given by a shipper is forbidden
23. If a shipment contains hazardous materials requiring placards, who is responsible for placarding the vehicle
24. You have had an accident while transporting hazardous materials. In which of the following circumstances must you or your employer phone the National Response Center
25. Your load contains 10 pounds of radioactive material, 500 pounds of flammable gas, and 1,000 pounds of nonflammable gas. What placards do you need

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