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CDL hazardous materials practice test 7

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 1On a portable tank of more than 1,000 gallons, how tall must the letters of the shipping name be?

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    B: At least two inches. Shipping name letters must be at least two inches tall on portable tanks over 1,000 gallons and one inch tall on those under 1,000 gallons. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.5.1 Markings, page 9-13.

  2. Question 2What are the rules for fueling a vehicle that is carrying hazardous materials?

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    D: Turn off the engine, and someone must always be at the nozzle controlling fuel flow. Turn off your engine before fueling a vehicle containing hazardous materials, and someone must always be at the nozzle controlling the fuel flow (49 CFR 397.15). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.6.7 Refuel with Engine Off, page 9-14.

  3. Question 3In the Hazardous Materials Table, how are proper shipping names shown?

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    C: In regular (Roman) type. Proper shipping names appear in regular type; names shown in italics are not proper shipping names. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.3 Lists of Regulated Products, page 9-4.

  4. Question 4The ID numbers on a portable tank cannot be seen once the tank is on your truck. What must you do?

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    A: Display the identification number on both sides and both ends of the motor vehicle. ID numbers on a portable tank have to stay visible once it is on the truck. If they are hidden, put the ID number on both sides and both ends of the vehicle. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.5.1 Markings, page 9-13.

  5. Question 5What fire extinguisher rating must the power unit of a placarded vehicle have?

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    A: UL rating of 10 B:C or more. A placarded vehicle's power unit needs a fire extinguisher rated at least 10 B:C by UL (49 CFR 393.95(a)). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.6.8 10 B C Fire Extinguisher, page 9-14.

  6. Question 6Column 3 of the Hazardous Materials Table shows the word 'Forbidden' for a material. What does that mean for you?

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    D: Never transport that material. Column 3 shows the hazard class or the entry 'Forbidden'; never transport a forbidden material. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.3 Lists of Regulated Products (Column 3 of the Hazardous Materials Table), page 9-5.

  7. Question 7How often must you examine each tire on a vehicle carrying hazardous materials?

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    C: At the beginning of each trip and each time the vehicle is parked. Check every tire when you start each trip and again every time you park (49 CFR 397.17). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.6.9 Check Tires, page 9-14.

  8. Question 8What does Column 5 of the Hazardous Materials Table show?

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    A: The packing group, in Roman numerals. Column 5 shows the packing group, in Roman numerals, assigned to the material. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.3 Lists of Regulated Products (Column 5 of the Hazardous Materials Table), page 9-5.

  9. Question 9What is the only acceptable way to check tire pressure on a hazmat vehicle?

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    D: Using a tire pressure gauge. The manual says the only acceptable way to check tire pressure is with a tire pressure gauge. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.6.9 Check Tires, page 9-15.

  10. Question 10What does Column 6 of the Hazardous Materials Table show?

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    B: The hazard warning labels shippers must put on packages. Column 6 lists the hazard labels the shipper must put on the packages. A product with more than one hazard can need several labels. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.3 Lists of Regulated Products (Column 6 of the Hazardous Materials Table), page 9-5.

  11. Question 11An entry of the numbers 1 to 6 in Column 7 (special provisions) of the Hazardous Materials Table means the material is what?

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    C: A poison inhalation hazard (PIH). The numbers 1-6 in Column 7 mean the material is a poison inhalation hazard, which has special shipping paper, marking and placard requirements. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.3 Lists of Regulated Products (Column 7 of the Hazardous Materials Table), page 9-6.

  12. Question 12Which columns of the Hazardous Materials Table do NOT apply to highway transportation?

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    D: Columns 9 and 10. The manual notes that Columns 9 and 10 do not apply to transportation by highway; Column 8 gives packaging section numbers. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.3 Lists of Regulated Products (Column 8 of the Hazardous Materials Table), page 9-6.

  13. Question 13What do the letters 'RQ' on a shipping paper or package mean?

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    A: Reportable quantity of a hazardous substance. RQ means the package holds a reportable quantity or more of a hazardous substance listed in Appendix A; spills of that size must be reported. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.3 Lists of Regulated Products (Appendix A: Hazardous Substances and Reportable Quantities), page 9-6.

  14. Question 14A hazardous materials shipping paper has four pages. What must the first page show?

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    A: The total number of pages, for example 'Page 1 of 4'. If a shipping paper has more than one page, the pages must be numbered and the first page must give the total, such as 'Page 1 of 4'. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.4 The Shipping Paper, page 9-6.

  15. Question 15A shipping paper lists both hazardous and non-hazardous items. Which of these is one acceptable way to show the hazardous items?

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    B: Enter them first. On a mixed shipping paper, hazmat entries must be listed first, printed in a contrasting color, or marked with an X in an 'HM' column (49 CFR 172.201(a)). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  16. Question 16On a shipping paper, what may an 'X' in the column captioned 'HM' be replaced with?

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    C: The letters RQ, if a reportable quantity must be identified. An X is placed before the shipping description in the HM column; the letters RQ may be used instead of X when a reportable quantity needs to be identified. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  17. Question 17In what order does the basic description of a hazardous material appear on a shipping paper?

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    D: Identification number, proper shipping name, hazard class or division, packing group. The basic description is the identification number, proper shipping name, hazard class or division, and packing group (if any), in that order. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  18. Question 18How is the packing group shown in a shipping description?

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    A: In Roman numerals, which may be preceded by 'PG'. The packing group is shown in Roman numerals and may be preceded by 'PG' (for example, PG II). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  19. Question 19Which parts of a hazardous material's shipping description may NOT be abbreviated unless the regulations specifically allow it?

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    B: The identification number, shipping name and hazard class. Do not shorten the ID number, shipping name or hazard class unless the rules specifically allow it. The package type and the unit of measure may be shortened. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  20. Question 20Who is responsible for the emergency response telephone number on a hazmat shipping paper?

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    C: The shipper. Shipping papers must list an emergency response telephone number (unless excepted), and that number is the shipper's responsibility. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  21. Question 21Which of these must the emergency response information supplied by the shipper include, at a minimum?

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    D: Immediate hazards to health and immediate methods for handling fires. At a minimum it must include the basic description and technical name, immediate health hazards, fire or explosion risks, immediate precautions, methods for handling fires, initial methods for spills or leaks, and preliminary first aid. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  22. Question 22An official responding to a hazmat incident asks for the emergency response information. What must you do?

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    A: Provide it. If a federal, state or local official responding to or investigating a hazmat incident asks for the emergency response information, the driver must hand it over. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  23. Question 23How must a hazardous waste be shown on the shipping paper?

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    B: The word WASTE before the proper shipping name. The shipper of hazardous waste must put the word WASTE before the proper shipping name, for example 'UN1090, Waste Acetone, 3, PG II'. Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  24. Question 24How long must a shipper keep a copy of a hazardous materials shipping paper (not hazardous waste)?

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    C: 2 years. Shippers keep a copy (or electronic image) for 2 years after the initial carrier accepts the material, or 3 years for hazardous waste (49 CFR 172.201(e)). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

  25. Question 25A carrier that only transports a hazmat shipment, and did not originate it, must keep a copy of the shipping paper for how long?

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    C: 1 year. A carrier that only provides transportation must keep a copy of the shipping paper (or electronic image) for 1 year (49 CFR 177.817(f)). Missouri Commercial Driver License Manual (AAMVA model CDL manual, Version 4.0): 9.3.5 The Item Description, page 9-7.

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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.