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CDL hazardous materials practice test 5

25 more questions on hazardous materials, written from the Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0).

25 questions

  1. Question 1You have 400 pounds of Class 3 flammable liquid in drums and 300 pounds of Class 8 corrosive in jugs, in a van with no other hazmat. Are placards required?

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    D: No, the Table 2 total is under 1,001 pounds. Both are Table 2 classes in non-bulk packaging. Their combined 700 pounds is under 1,001 pounds, so placards are not required. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.11 Placard Tables, page 9-9.

  2. Question 2Where must you never put a package labeled POISON or POISON INHALATION HAZARD?

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    C: In the driver's cab or sleeper, or with food for people or animals. Never load POISON or POISON INHALATION HAZARD packages in the driver's cab or sleeper or with food for human or animal consumption. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.4.1 Precautions for Specific Hazards: Division 2.3 and Division 6.1, page 9-12.

  3. Question 3Parts of your vehicle were exposed to a leaking corrosive liquid. What should be done?

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    B: Wash them thoroughly with water. Wash any part of the vehicle that a corrosive liquid touched with plenty of water, and clean out the cargo area soon after unloading, before the next load. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.7.4 Responses to Specific Hazards: Class 8 (Corrosive), page 9-17.

  4. Question 4Division 1.1 explosives present what kind of hazard?

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    C: Mass explosion. Division 1.1 is mass explosion (example: dynamite); 1.2 is projection hazard and 1.4 is minor explosion. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.1 Definitions (Figure 9.1), page 9-3.

  5. Question 5When may you use DANGEROUS placards instead of separate placards for each Table 2 hazard class?

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    A: When you have 1,001 pounds or more of two or more Table 2 classes needing different placards, and have not loaded 2,205 pounds or more of any one Table 2 class at one place. The DANGEROUS placard is an option for mixed Table 2 loads of 1,001 pounds or more, unless 2,205 pounds or more of one class was loaded at one place; then that class's specific placard is required (49 CFR 172.504(b)). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.11 Placard Tables, page 9-9.

  6. Question 6For segregation of poisons from foodstuffs, which of these is NOT considered a foodstuff?

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    D: Toothpaste. Foodstuffs are anything you swallow; mouthwash, toothpaste and skin creams are not foodstuffs. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.4.1 Do Not Load Table (Figure 9.9), page 9-12.

  7. Question 7What is the toll-free number of the National Response Center?

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    A: (800) 424-8802. The National Response Center's 24-hour toll-free line is (800) 424-8802 (49 CFR 171.15). (800) 424-9300 is CHEMTREC. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.7.5 Required Notification, page 9-17.

  8. Question 8Ammonium nitrate is an example of which division?

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    D: Division 5.1, Oxidizer. Figure 9.1 lists ammonium nitrate as the example for Division 5.1, oxidizers. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.1 Definitions (Figure 9.1), page 9-3.

  9. Question 9You loaded 2,500 pounds of Class 8 corrosives and 800 pounds of Class 3 flammable liquid at the same dock, all in non-bulk packages. Which placarding is correct?

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    B: CORROSIVE placards are required; for the flammable liquid you may use either FLAMMABLE or DANGEROUS placards. Because 2,205 pounds or more of Class 8 was loaded at one place, the specific CORROSIVE placard must be used. The DANGEROUS placard remains an option for the other Table 2 class. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.11 Placard Tables, page 9-9.

  10. Question 10What is the maximum total transport index of all radioactive packages in a single vehicle?

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    C: 50. Add up the transport index numbers of all radioactive packages on the vehicle; the total may not be more than 50 (49 CFR 177.842(a)). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.4.1 Precautions for Specific Hazards: Class 7 (Radioactive), page 9-12.

  11. Question 11Which of these hazmat incidents requires a phone call to the National Response Center?

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    C: A person is killed as a direct result of the hazardous material. You or your employer must call when, as a direct result of a hazmat incident, a person is killed, an injured person is hospitalized, the public is evacuated, or a major transportation artery is closed, among other cases (49 CFR 171.15). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.7.5 Required Notification, page 9-17.

  12. Question 12Which division covers infectious substances?

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    A: Division 6.2. Division 6.2 is infectious substances (example: anthrax virus); Division 6.1 is poison (toxic) material. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.1 Definitions (Figure 9.1), page 9-3.

  13. Question 13Is using the DANGEROUS placard ever a requirement?

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    C: No, it is an option; you can always placard for each material. The DANGEROUS placard is optional. You may always use the specific placard for each material instead. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.11 Placard Tables, page 9-9.

  14. Question 14You already have dry Division 6.1 cyanide on board. The shipper offers you cartons of battery acid. What does the Do Not Load table say?

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    B: Do not load them in the same vehicle; acids can release hydrocyanic acid from cyanides. Division 6.1 cyanides or cyanide mixtures must not be loaded with acids, corrosive materials or other acidic materials that could release hydrocyanic acid. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.4.1 Do Not Load Table (Figure 9.9), page 9-12.

  15. Question 15Within how many days must a carrier make a detailed written report of a hazardous materials incident?

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    C: 30 days. Besides any phone report, the carrier must file a detailed written incident report within 30 days (49 CFR 171.16). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.7.5 Required Notification, page 9-17.

  16. Question 16Which of these counts as a shipping paper?

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    B: A bill of lading. Shipping orders, bills of lading and manifests are all shipping papers; a shipping paper describes the hazardous materials being transported. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.1 Definitions, page 9-3.

  17. Question 17A material has a secondary hazard of dangerous when wet. Which placarding rule applies?

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    D: Display DANGEROUS WHEN WET placards in addition to the primary class placards; the 1,000-pound exception does not apply. A material whose secondary hazard is dangerous when wet needs the DANGEROUS WHEN WET placard as well as its other placards, and the 1,000-pound exception does not apply to it. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.11 Placard Tables, page 9-9.

  18. Question 18Charged storage batteries must not be loaded in the same vehicle with which material?

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    D: Division 1.1 explosives. The Do Not Load table says charged storage batteries may not be loaded with Division 1.1 explosives. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.4.1 Do Not Load Table (Figure 9.9), page 9-12.

  19. Question 19What is CHEMTREC?

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    D: A 24-hour center that gives emergency personnel technical information about the properties of hazardous materials. The Chemical Transportation Emergency Center (CHEMTREC) has a 24-hour toll-free line, (800) 424-9300, giving responders technical information about hazardous materials; it works closely with the National Response Center. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.7.5 Required Notification, page 9-18.

  20. Question 20While you are driving with your seat belt fastened, where may you keep hazardous materials shipping papers?

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    C: In clear view within immediate reach, or in a pouch on the driver's door. While driving, shipping papers must be within immediate reach with your seat belt fastened and in clear view, or in a pouch on the driver's door (49 CFR 177.817(e)). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.1 Definitions, page 9-3.

  21. Question 21Which placard name goes with Division 1.4 (minor explosion) material in an amount that requires placards?

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    A: EXPLOSIVES 1.4. Division 1.4 is a Table 2 material placarded as EXPLOSIVES 1.4 when 1,001 pounds or more are carried. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.11 Placard Tables (Figure 9.8), page 9-9.

  22. Question 22Under the Do Not Load table, Class 1 detonating primers may not be loaded with what?

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    A: Any other explosives, unless in authorized containers or packages. Detonating primers must not be loaded with any other explosives unless they are in authorized containers or packages. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.4.1 Do Not Load Table (Figure 9.9), page 9-12.

  23. Question 23Where must you leave hazardous materials shipping papers when you are out of the vehicle?

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    D: On the driver's seat or in the driver's door pouch. When you are not behind the wheel, leave shipping papers on the driver's seat or in the pouch on the driver's door, so responders can find them. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.6.10 Where to Keep Shipping Papers and Emergency Response Information, page 9-15.

  24. Question 24On a cargo tank or portable tank, which placard may be used in place of a COMBUSTIBLE placard?

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    B: FLAMMABLE. A footnote to Placard Table 2 says FLAMMABLE may be used in place of COMBUSTIBLE on a cargo tank or portable tank. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.11 Placard Tables (Figure 9.8), page 9-9.

  25. Question 25How close must the qualified person watching a cargo tank being loaded or unloaded be to the tank?

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    B: Within 25 feet. The person watching must be alert, have a clear view of the tank, be within 25 feet, know the hazards and emergency procedures, and be able to move the tank (49 CFR 177.834). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.5.2 Tank Loading, page 9-13.

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Our own questions, written from the Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0), official manual, and checked against it.