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CDL Test: Hazardous materials questions and answers

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Hazardous materials

101 questions

  1. #1

    A placarded vehicle must display at least how many identical placards?

    1. One
    2. Two
    3. Four
    4. Six

    Answer: C. At least four identical placards: on the front, the rear and both sides.

    Source: Pennsylvania CDL Manual (PUB 223), 9.3 Communication RulesA placarded vehicle must have at least four identical placards.

  2. #2

    Table 2 hazardous materials need placards only when the total amount is:

    1. 1,001 pounds or more
    2. Any amount
    3. 100 pounds or more
    4. 5,000 pounds or more

    Answer: A. Table 2 materials need placards only if the total is 1,001 pounds or more; Table 1 materials need them for any amount.

    Source: Pennsylvania CDL Manual (PUB 223), 9.3 Placardingneed placards only if the total amount transported is 1,001 pounds or more

  3. #3

    When you leave the cab of a hazmat vehicle, the shipping papers should be:

    1. Taken with you
    2. Locked in the glove box
    3. In the sleeper berth
    4. In the driver's door pouch or on the driver's seat

    Answer: D. Out of the vehicle: driver's door pouch or driver's seat. While driving: within reach with your seat belt on, or in the door pouch.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Shipping PapersWhen not behind the wheel, leave shipping papers in the driver's door pouch or on the driver's seat.

  4. #4

    How many hazard classes of hazardous materials are there?

    1. Five
    2. Nine
    3. Twelve
    4. Twenty

    Answer: B. There are nine hazard classes.

    Source: Pennsylvania CDL Manual (PUB 223), 9.3 Communication Rulesthere are nine different hazard classes.

  5. #5

    The identification number of a hazardous material is:

    1. A two-letter state code
    2. The shipper's phone number
    3. A four-digit code used by first responders
    4. The placard color

    Answer: C. A four-digit code used by first responders; it must appear on the shipping paper.

    Source: Pennsylvania CDL Manual (PUB 223), 9.3 Communication RulesIdentification numbers are a four-digit code used by first responders to identify hazardous materials.

  6. #6

    With Division 1.1, 1.2 or 1.3 explosives, you must never park within how many feet of the traveled part of the road?

    1. 5 feet
    2. 25 feet
    3. 100 feet
    4. 300 feet

    Answer: A. Never within 5 feet of the traveled part of the road, and not within 300 feet of a bridge, tunnel, building, crowd or open fire.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Parking with Explosivesnever park with division 1.1, 1.2, or 1.3 explosives within five feet of the traveled part of the road.

  7. #7

    With Division 1.1–1.3 explosives, do not park within how many feet of a bridge, tunnel, building, crowd or open fire?

    1. 25 feet
    2. 50 feet
    3. 100 feet
    4. 300 feet

    Answer: D. Do not park within 300 feet of a bridge, tunnel or building, a place where people gather, or an open fire.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Parking with Explosivesdo not park within 300 feet of:

  8. #8

    A person attending a parked placarded vehicle must be awake and in the vehicle (not in the sleeper), or within how many feet with it in clear view?

    1. 25 feet
    2. 100 feet
    3. 300 feet
    4. 500 feet

    Answer: B. In the vehicle, awake and not in the sleeper berth, or within 100 feet with the vehicle in clear view.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Attending Parked VehiclesBe in the vehicle, awake, and not in the sleeper berth, or within 100 feet of the vehicle and have it within clear view.

  9. #9

    You must not smoke within how many feet of a vehicle carrying explosives, flammable materials or oxidizers?

    1. 5 feet
    2. 10 feet
    3. 25 feet
    4. 100 feet

    Answer: C. Do not smoke or carry a lit cigarette, cigar or pipe within 25 feet of such a vehicle.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 No Smokingdo not smoke or carry a lighted cigarette, cigar, or pipe within 25 feet of any vehicle

  10. #10

    The power unit of a placarded vehicle must have a fire extinguisher with a UL rating of at least:

    1. 1 A
    2. 2 B:C
    3. 5 A:B
    4. 10 B:C

    Answer: D. A fire extinguisher with a UL rating of 10 B:C or more.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Fire Extinguisherthe power unit of placarded vehicles must have a fire extinguisher with a uL rating of 10 B:c or more.

  11. #11

    A placarded vehicle stopping at a railroad crossing must stop how far before the nearest rail?

    1. 15 to 50 feet
    2. 5 to 10 feet
    3. 50 to 100 feet
    4. At least 200 feet

    Answer: A. Stop 15 to 50 feet before the nearest rail, and do not shift gears while crossing.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Railroad CrossingsYou must stop 15 to 50 feet before the nearest rail.

  12. #12

    If a placarded vehicle carrying explosives or flammables breaks down, you should warn traffic with:

    1. Burning flares
    2. Reflective triangles or red electric lights
    3. A flashlight only
    4. Nothing — stay in the cab

    Answer: B. Never use burning signals such as flares or fusees; use reflective triangles or red electric lights.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Flaresuse reflective triangles or red electric lights.

  13. #13

    On a placarded vehicle with dual tires, the only acceptable way to check tire pressure is:

    1. Kicking the tires
    2. Looking at the tire bulge
    3. Using a tire pressure gauge
    4. Hitting them with a tire iron

    Answer: C. Use a tire pressure gauge; check tires at the start of each trip and each time you park.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 Tiresthe only acceptable way to check tire pressure is to use a tire pressure gauge.

  14. #14

    An immediate report to the National Response Center is required when estimated property damage exceeds:

    1. $5,000
    2. $10,000
    3. $25,000
    4. $50,000

    Answer: D. Immediate notification is required when estimated property damage exceeds $50,000; also when someone is killed or hospitalized, or the public is evacuated or a major transportation artery is closed for an hour or more.

    Source: Pennsylvania CDL Manual (PUB 223), 9.7 Required NotificationEstimated property damage exceeds $50,000.

  15. #15

    If hazardous material is leaking, you should NOT:

    1. Try to identify it or find the leak by smell
    2. Park the vehicle
    3. Secure the area
    4. Send someone else for help

    Answer: A. Never identify material or find a leak by smell; park, secure the area, stay there and send someone for help.

    Source: Pennsylvania CDL Manual (PUB 223), 9.7 Leaks and Spillsdo not try to identify the material or find the source of a leak by smell.

  16. #16

    The total transport index of all radioactive packages in one vehicle must not exceed:

    1. 10
    2. 50
    3. 100
    4. 500

    Answer: B. The total transport index of all packages in a single vehicle must not exceed 50.

    Source: Pennsylvania CDL Manual (PUB 223), 9.4 Radioactive Materialsthe total transport index of all packages in a single vehicle must not exceed 50.

  17. #17

    During loading or unloading of a cargo tank, the person watching must be within how many feet of the tank?

    1. 5 feet
    2. 10 feet
    3. 25 feet
    4. 100 feet

    Answer: C. A qualified person must always watch and be within 25 feet of the tank.

    Source: Pennsylvania CDL Manual (PUB 223), 9.5 Cargo TanksBe within 25 feet of the tank.

  18. #18

    After a collision, explosives removed from the vehicles must be placed at least how far from the vehicles and occupied buildings?

    1. 25 feet
    2. 50 feet
    3. 100 feet
    4. 200 feet

    Answer: D. Remove all explosives before separating the vehicles and place them at least 200 feet away.

    Source: Pennsylvania CDL Manual (PUB 223), 9.7 ExplosivesPlace the explosives at least 200 feet from the vehicles and occupied buildings.

  19. #19

    Where must you never load a package labeled POISON?

    1. In the driver's cab or sleeper
    2. In a closed van trailer
    3. In the front of the cargo area
    4. On a flatbed with a tarp

    Answer: A. Never load POISON or POISON INHALATION HAZARD packages in the driver's cab or sleeper.

    Source: Pennsylvania CDL Manual (PUB 223), 9.4 Loading and Unloadingnever load a package labeled PoISon or PoISon InHALAtIon HAZArd in the driver's cab or sleeper

  20. #20

    A bulk packaging is a single container with a capacity of:

    1. 55 gallons or more
    2. 119 gallons or more
    3. 500 gallons or more
    4. 1,000 gallons or more

    Answer: B. A bulk packaging is a single container with a capacity of 119 gallons or more.

    Source: Pennsylvania CDL Manual (PUB 223), 9.3 PlacardingA bulk packaging is a single container with a capacity of 119 gallons or more.

  21. #21

    When fueling a vehicle that carries hazardous materials:

    1. The engine may keep running
    2. The driver may go inside to pay
    3. Turn the engine off and someone must be at the nozzle
    4. Use only the automatic nozzle latch

    Answer: C. Turn off the engine before fueling; someone must always be at the nozzle controlling the flow.

    Source: Pennsylvania CDL Manual (PUB 223), 9.6 FuelingSomeone must always be at the nozzle, controlling fuel flow.

  22. #22

    Carriers must file a detailed written report of a hazmat incident within:

    1. 24 hours
    2. 5 days
    3. 10 days
    4. 30 days

    Answer: D. Carriers must make detailed written reports within 30 days of an incident.

    Source: Pennsylvania CDL Manual (PUB 223), 9.7 Required Notificationcarriers must make detailed written reports within 30 days of an incident.

  23. #23

    The Hazardous Materials Regulations (HMR) are found in which parts of title 49 of the Code of Federal Regulations?

    1. Parts 100-185
    2. Parts 200-285
    3. Parts 1-99
    4. Parts 300-399

    Answer: A. The HMR are in 49 CFR parts 100-185.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 103The Hazardous Materials Regulations (HMR) is found in parts 100-185 of title 49 of the Code of Federal Regulations.

  24. #24

    How often must hazardous materials employees be trained and tested?

    1. At least once every year
    2. At least once every three years
    3. At least once every five years
    4. Only once, when first hired

    Answer: B. Hazmat employees must be trained and tested at least once every three years.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 103The regulations require that hazardous materials employees be trained and tested at least once every three years.

  25. #25

    Employers must keep a hazmat training record for each employee as long as the employee works with hazardous materials and for how long afterward?

    1. 30 days
    2. 6 months
    3. 90 days
    4. 1 year

    Answer: C. The record must be kept while the employee works with hazmat and for 90 days thereafter.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 103Hazardous materials employers are required to keep a record of that training on each employee as long as that employee is working with hazardous materials, and for 90 days thereafter.

  26. #26

    What must you have before driving any size vehicle that transports a material requiring hazmat placarding?

    1. A CDL with a tank vehicle endorsement only
    2. A regular license with a hazmat permit card
    3. A Class A CDL without any endorsement
    4. A CDL with a hazardous materials endorsement

    Answer: D. Any vehicle carrying placarded hazmat requires a CDL with a hazmat endorsement.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 103You must have a commercial driver license (CDL) with a hazardous materials endorsement before you drive any size vehicle that is used in the transportation of any material that requires hazardous material placarding

  27. #27

    What is the minimum size of a hazmat placard?

    1. 10 3/4 inches square, on point (diamond)
    2. 8 inches square, on point (diamond)
    3. 12 inches by 6 inches, rectangular
    4. 6 1/2 inches square, on point (diamond)

    Answer: A. Placards are at least 10 3/4 inches square, square-on-point.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 105They are at least 10 3/4 inches square, square-on-point, in a diamond shape.

  28. #28

    A placard must be kept at least how far away from any other markings?

    1. One inch
    2. Three inches
    3. Six inches
    4. Twelve inches

    Answer: B. Placards must be at least three inches away from any other markings.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 109At least three inches away from any other markings.

  29. #29

    Which letters precede a hazardous material identification number?

    1. HM or RQ
    2. ID or PG
    3. NA or UN
    4. US or EP

    Answer: C. The identification number is preceded by the letters NA or UN.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 105The letters “NA” or “UN” will precede the identification number.

  30. #30

    Which list names chemicals that are toxic to marine life?

    1. Appendix A, List of Hazardous Substances
    2. The Hazardous Materials Table
    3. The Emergency Response Guidebook
    4. Appendix B, List of Marine Pollutants

    Answer: D. Appendix B to 172.101 lists marine pollutants.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 107Appendix B is a listing of chemicals that are toxic to marine life.

  31. #31

    For highway transport, the Marine Pollutants list is only used for chemicals in a container with what capacity (without a placard or label)?

    1. 119 gallons or more
    2. 55 gallons or more
    3. 500 gallons or more
    4. 1,000 gallons or more

    Answer: A. On highways the list applies to containers of 119 gallons or more lacking a placard or label.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 107For highway transportation, this list is only used for chemicals in a container with a capacity of 119 gallons or more without a placard or label as specified by the HMR.

  32. #32

    What does the Marine Pollutant marking look like?

    1. A red diamond with a black fish and a flame above it
    2. A white triangle with a fish and an “X” through the fish
    3. A black circle with a white fish and a wave under it
    4. A white square with a blue fish and a wavy line across it

    Answer: B. The marking is a white triangle with a fish crossed by an X; it is not a placard.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 107Any bulk packages of a Marine Pollutant must display the Marine Pollutant marking (white triangle with a fish and an “X” through the fish).

  33. #33

    If Column 3 of the Hazardous Materials Table says “Forbidden” for a material, you should:

    1. Transport it only with a permit
    2. Transport it only in a cargo tank
    3. Never transport it
    4. Transport it only in small amounts

    Answer: C. Never transport a “Forbidden” material.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 106Never transport a “Forbidden” material.

  34. #34

    Identification numbers preceded by “NA” are associated with proper shipping names used:

    1. Only for international ocean shipments
    2. Only for air transportation
    3. Only for hazardous wastes
    4. Only within the United States and to and from Canada

    Answer: D. NA numbers are for names used within the U.S. and to and from Canada.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 106The letters “NA” are associated with proper shipping names that are only used within the United States and to and from Canada.

  35. #35

    In the Hazardous Materials Table, names shown in italics are:

    1. Not proper shipping names
    2. The preferred shipping names
    3. Names used only for hazardous waste
    4. Names that need a technical name

    Answer: A. Names shown in italics are not proper shipping names.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 106Names shown in italics are not proper shipping names.

  36. #36

    When a hazardous substance is shipped in a reportable quantity or more in one package, the shipper displays which letters on the shipping paper and package?

    1. HM
    2. RQ
    3. PG
    4. ER

    Answer: B. The letters RQ mark a reportable quantity.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 107When these materials are being transported in a reportable quantity or greater in one package, the shipper displays the letters RQ on the shipping paper and package.

  37. #37

    If the words INHALATION HAZARD appear on the shipping paper or package, you must display:

    1. Only the hazard class placard, as long as the amount of material being carried is small
    2. Only the POISON INHALATION HAZARD placard, with no hazard class placard needed on the vehicle
    3. The hazard class placard and the POISON INHALATION HAZARD placard, even for small amounts
    4. A DANGEROUS placard in place of the hazard class placard and the inhalation placard

    Answer: C. Both placards are always required, even for small amounts.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 107Always display the hazard class placard and the POISON INHALATION HAZARD placard, even for small amounts.

  38. #38

    If a hazmat shipping paper has more than one page, what must the first page show?

    1. The total weight of all packages, such as “40,000 lb”
    2. The driver's name and CDL number, such as “CDL 123456”
    3. The date of the last inspection, such as “Inspected 5/1”
    4. The total number of pages, such as “Page 1 of 4”

    Answer: D. The first page must show the total page count, e.g. “Page 1 of 4.”

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 108The first page must tell the total number of pages. For example, “Page 1 of 4.”

  39. #39

    On a shipping paper listing hazardous and non-hazardous items, hazardous materials may be identified by what mark in the “HM” column?

    1. An “X” before the shipping name
    2. A check mark after the weight
    3. A circled number
    4. A dash before the quantity

    Answer: A. Hazmat entries can be marked with an “X” (or RQ) in the HM column.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 108Identified by an “X” placed before the shipping name in a column captioned “HM.”

  40. #40

    Who is responsible for the emergency response telephone number on the shipping paper?

    1. The driver
    2. The shipper
    3. The carrier's dispatcher
    4. The consignee

    Answer: B. The emergency response telephone number is the shipper's responsibility.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 108The emergency response telephone number is the responsibility of the shipper.

  41. #41

    For hazardous waste, what word must the shipper put before the proper shipping name on the shipping paper?

    1. SPENT
    2. SCRAP
    3. WASTE
    4. REFUSE

    Answer: C. The word WASTE goes before the proper shipping name.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 108The shipper of hazardous wastes must put the word WASTE before the proper shipping name of the material on the shipping paper (hazardous waste manifest).

  42. #42

    A non-hazardous material on a shipping paper:

    1. May use a hazard class if the load is small
    2. May use an identification number if the shipper wishes
    3. Must always be listed first
    4. May not be described by using a hazard class or an identification number

    Answer: D. A non-hazardous material cannot be described with a hazard class or ID number.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 108A non-hazardous material may not be described by using a hazard class or an identification number.

  43. #43

    A signed shipper's certification is NOT required on the original shipping paper when:

    1. The shipper is a private carrier hauling its own product, or the carrier provides the package (such as a cargo tank)
    2. The load weighs less than 1,001 pounds and is carried in a single cargo compartment
    3. The shipment is carried less than 100 miles and the driver stays within a single state
    4. The driver has a hazmat endorsement and the carrier has kept a copy of the shipping paper

    Answer: A. The exceptions are a private carrier hauling its own product and carrier-provided packages.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 108The only exceptions are when a shipper is a private carrier transporting their own product and when the package is provided by the carrier (for example, a cargo tank).

  44. #44

    After you deliver a hazardous waste shipment, what should you do with your copy of the manifest?

    1. Mail it to the shipper only
    2. Keep it
    3. Throw it away
    4. Leave it at the disposal facility

    Answer: B. After delivery, keep your copy of the manifest.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 109After you deliver the shipment, keep your copy of the manifest.

  45. #45

    When may you move a vehicle that is not properly placarded?

    1. Whenever the load is small
    2. When the destination is less than 50 miles away
    3. Only during an emergency, to protect life or property
    4. After notifying the dispatcher by radio

    Answer: C. An improperly placarded vehicle may be moved only in an emergency to protect life or property.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 109You are only allowed to move an improperly placarded vehicle during an emergency, in order to protect life or property.

  46. #46

    Where may the front placard be placed on a combination vehicle?

    1. On the front of the tractor or the front of the trailer
    2. Only on the front of the tractor and never on the trailer
    3. Only on the front of the trailer and never on the tractor
    4. On the driver's door of the tractor or the rear of the trailer

    Answer: A. The front placard may be on the front of the tractor or the front of the trailer.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 109The front placard may be on the front of the tractor or the front of the trailer.

  47. #47

    Table 1 hazardous materials must be placarded:

    1. Only at 1,001 pounds or more
    2. Whenever any amount is transported
    3. Only in bulk packaging
    4. Only when more than 5,000 pounds are loaded

    Answer: B. Table 1 materials need placards for any amount.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 109Table 1 materials must be placarded whenever any amount is transported.

  48. #48

    You may use a DANGEROUS placard instead of separate Table 2 placards only if you have NOT loaded how much of any one Table 2 class at any one place?

    1. 1,001 pounds or more
    2. 500 pounds or more
    3. 2,205 pounds or more
    4. 5,000 pounds or more

    Answer: C. At 2,205 pounds or more of one Table 2 class loaded at one place, you must use the specific placard.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 110You have not loaded 2,205 pounds or more of any Table 2 hazard class material at any one place.

  49. #49

    Using the DANGEROUS placard when it is allowed is:

    1. Always required
    2. Required for all Table 1 materials
    3. Required for bulk packages
    4. An option, not a requirement

    Answer: D. The DANGEROUS placard is optional; you can always placard for the materials.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 110The dangerous placard is an option, not a requirement. You can always placard for the materials.

  50. #50

    Materials with a secondary hazard of dangerous when wet must display:

    1. The DANGEROUS WHEN WET placard in addition to any other required placards
    2. Only the DANGEROUS WHEN WET placard, with no other placards on the vehicle
    3. Only the placard for the primary hazard class and no secondary placard
    4. A DANGEROUS placard in place of all other required placards on the vehicle

    Answer: A. The DANGEROUS WHEN WET placard is required in addition to the hazard class placards.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 110Materials with a secondary hazard of dangerous when wet must display the DANGEROUS WHEN WET placard in addition to any other placards needed by the product’s hazard class.

  51. #51

    Where must the hazard class or division number be displayed on a placard that identifies a material's primary or subsidiary hazard?

    1. In the upper corner of the placard
    2. In the lower corner of the placard
    3. On the back of the placard
    4. Along the top edge of the placard

    Answer: B. The class or division number must be in the lower corner of the placard.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 110Placards used to identify the primary or subsidiary hazard class of a material must have the hazard class or division number displayed in the lower corner of the placard.

  52. #52

    A bulk package that holds only the residue of a hazardous material:

    1. Needs no placard
    2. Needs a placard only if over 1,001 pounds
    3. Must still be placarded
    4. Needs only a label

    Answer: C. A bulk package must be placarded even if it holds only residue.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 110A bulk package, and a vehicle transporting a bulk package, must be placarded, even if it only has the residue of a hazardous material.

  53. #53

    Unless an exception applies, bulk packages must be placarded on:

    1. The two opposite sides only
    2. The front and rear only
    3. The driver's side only
    4. All four sides

    Answer: D. All other bulk packages must be placarded on all four sides.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 110All other bulk packages must be placarded on all four sides.

  54. #54

    The rules usually forbid the use of what in a cargo space loaded with explosives, flammable gas or flammable liquids?

    1. Cargo heaters, including automatic heater/air conditioner units
    2. Tie-down straps, including ratchet straps and load-binder chains
    3. Floor liners, including nonmetallic liners and wooden floor boards
    4. Closed cargo doors, including locked and sealed roll-up doors

    Answer: A. The rules usually forbid cargo heaters, including automatic heater/AC units.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111The rules usually forbid use of cargo heaters, including automatic cargo heater/air conditioner units.

  55. #55

    Explosives, flammable solids and oxidizers cannot be carried as:

    1. Loads in a closed cargo space
    2. Overhang or tailgate loads
    3. Braced loads
    4. Loads on a floor liner

    Answer: B. You cannot have overhang or tailgate loads of Class 1, 4 or 5.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Use Closed Cargo Space. You cannot have overhang or tailgate loads of:

  56. #56

    Before loading or unloading hazardous materials, you should first:

    1. Turn on the hazard flashers and put out the warning triangles
    2. Open all the cargo doors and let the cargo area air out first
    3. Set the parking brake and make sure the vehicle will not move
    4. Remove the placards and put the shipping papers on the seat

    Answer: C. Set the parking brake and make sure the vehicle will not move.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Before loading or unloading, set the parking brake. Make sure the vehicle will not move.

  57. #57

    When loading hazardous materials containers, you should NOT use:

    1. Hand trucks
    2. Straps
    3. Padding
    4. Hooks

    Answer: D. Don’t use hooks, or any tool that might damage containers.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Don’t use any tools, which might damage containers or other packaging during loading. Don’t use hooks.

  58. #58

    Many hazardous products become more hazardous when exposed to heat. Where should you load them?

    1. Away from heat sources
    2. Next to the engine compartment
    3. Near the cargo heater
    4. Close to the exhaust pipe

    Answer: A. Load hazardous materials away from heat sources.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Many products become more hazardous when exposed to heat. Load hazardous materials away from heat sources.

  59. #59

    Moving a vehicle that has leaking hazardous materials is:

    1. Allowed if the leak is small
    2. Illegal
    3. Allowed only on local streets
    4. Allowed if the shipper approves

    Answer: B. It is illegal to move a vehicle with leaking hazardous materials.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111It is illegal to move a vehicle with leaking hazardous materials.

  60. #60

    Containers of hazardous materials must be:

    1. Stacked as high as the cargo area will allow
    2. Left loose so they can shift and settle during transit
    3. Braced to prevent movement during transportation
    4. Placed near the cargo doors for quick unloading

    Answer: C. Containers must be braced to prevent movement of packages in transit.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Containers of hazardous materials must be braced to prevent movement of the packages during transportation.

  61. #61

    While hazardous materials are on your vehicle, which container may you empty?

    1. A drum
    2. A box of bottles
    3. A cylinder
    4. A cargo tank

    Answer: D. You may empty a cargo tank, but no other package while it is on the vehicle.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111You may empty a cargo tank, but do not empty any other package while it is on the vehicle.

  62. #62

    Before loading or unloading any explosives, you must:

    1. Turn your engine off
    2. Leave the engine idling
    3. Run the cargo heater
    4. Turn on the flashers and leave the engine running

    Answer: A. Turn your engine off before loading or unloading explosives.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Turn your engine off before loading or unloading any explosives.

  63. #63

    The floor liner required for Division 1.1, 1.2 or 1.3 explosives must be made of:

    1. Painted steel or galvanized sheet iron
    2. Nonmetallic material or non-ferrous metal
    3. Cast iron or steel plate bolted to the floor
    4. Bare ferrous metal such as iron or carbon steel

    Answer: B. The liner must be nonmetallic material or non-ferrous metal.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111The floors must be tight and the liner must be either nonmetallic material or non-ferrous metal.

  64. #64

    When handling packages of explosives, you must never:

    1. Brace them
    2. Load them on a lined floor
    3. Drop, throw, or roll them
    4. Protect them from other cargo

    Answer: C. Never drop, throw, or roll packages of explosives.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Never drop, throw, or roll packages.

  65. #65

    On a public roadway, you may transfer Division 1.1, 1.2 or 1.3 explosives from one vehicle to another:

    1. Whenever traffic is light
    2. If the driver has a hazmat endorsement
    3. If both vehicles are placarded
    4. Only in an emergency

    Answer: D. Do not transfer these explosives on a public roadway except in an emergency.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Do not transfer a Division 1.1, 1.2, or 1.3 from one vehicle to another on a public roadway except in an emergency.

  66. #66

    You should not accept a package of explosives that shows:

    1. Any dampness or oily stain
    2. A shipping name
    3. A hazard label
    4. A proper orientation arrow

    Answer: A. Do not take a package that shows any dampness or oily stain.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 111Do not take a package that shows any dampness or oily stain.

  67. #67

    Class 4 (Flammable Solids) materials are solids that react to:

    1. Cold, light, and sound, or even react to magnetism
    2. Water, heat, and air, or even react spontaneously
    3. Pressure and vibration alone, never to water or air
    4. Radiation only, and never to heat or moisture

    Answer: B. Class 4 solids react (including fire and explosion) to water, heat and air.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112Class 4 materials are solids that react (including fire and explosion) to water, heat, and air or even react spontaneously.

  68. #68

    Class 4 and 5 materials that become unstable and dangerous when wet must be:

    1. Washed down regularly during loading and unloading
    2. Exposed to open air and light rain to stay cool in transit
    3. Kept dry in transit and during loading and unloading
    4. Loaded last, directly on top of a damp floor liner

    Answer: C. These materials must be kept dry in transit and during loading and unloading.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112Class 4 and 5 materials, which become unstable and dangerous when wet, must be kept dry while in transit and during loading and unloading.

  69. #69

    Where should nitric acid be loaded relative to other products?

    1. Always above other products
    2. Only above flammable solids
    3. Only next to oxidizers
    4. Never above any other product

    Answer: D. Do not load nitric acid above any other product.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112Do not load nitric acid above any other product.

  70. #70

    Charged storage batteries must be loaded so that:

    1. Their liquid won't spill, and kept right side up
    2. They lie on their sides, with the caps facing down
    3. They are stacked upside down to save floor space
    4. They touch other metal cargo to ground any charge

    Answer: A. Load charged batteries so liquid won’t spill; keep them right side up.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112Load charged storage batteries so their liquid won’t spill. Keep them right side up.

  71. #71

    Compressed gas cylinders may be loaded lying down if the cylinder is designed so that:

    1. The valve is at the lowest point
    2. The relief valve is in the vapor space
    3. The cylinder is empty
    4. The cylinder has no valve

    Answer: B. Cylinders can be horizontal if the relief valve is in the vapor space.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112Cylinders may be loaded in a horizontal position (lying down) if it is designed so the relief valve is in the vapor space.

  72. #72

    Division 2.3 (Poisonous Gas) and Division 6.1 (Poisonous) materials must never be transported:

    1. In steel containers with closed valves
    2. In containers braced against movement
    3. In containers with interconnections
    4. In packages with the correct hazard labels

    Answer: C. Never transport these materials in containers with interconnections.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112Never transport these materials in containers with interconnections.

  73. #73

    Where does the shipper print a Class 7 package's transport index?

    1. On the vehicle placard next to the UN number
    2. In the driver's logbook next to each trip entry
    3. On the cargo tank data plate near the outlet
    4. On the Radioactive II or Radioactive III label

    Answer: D. The shipper prints the transport index on the Radioactive II or III label.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112The shipper labels these packages Radioactive II or Radioactive III, and prints the package’s transport index on the label.

  74. #74

    You can't leave a package with a transport index of 1.1 within how far of people or cargo space walls?

    1. Two feet
    2. Six inches
    3. Five feet
    4. Ten feet

    Answer: A. A package with a transport index of 1.1 must not be left within two feet of people or cargo space walls.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 112For example, you can’t leave a package with a transport index of 1.1 within two feet of people or cargo space walls.

  75. #75

    According to the Do Not Load table, which of these is NOT considered foodstuff?

    1. Candy
    2. Toothpaste
    3. Vitamins you swallow
    4. Bottled water

    Answer: B. Foodstuffs are anything you swallow; mouthwash, toothpaste and skin creams are not.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113Foodstuffs are anything you swallow. However, mouthwash, toothpaste, and skin creams are not foodstuff.

  76. #76

    What is a cargo tank?

    1. Bulk packaging loaded onto a vehicle only after being filled
    2. A small package for a limited quantity
    3. Bulk packaging permanently attached to a vehicle
    4. A cylinder with a water capacity of 1,000 pounds

    Answer: C. Cargo tanks are bulk packaging permanently attached to a vehicle.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113Cargo tanks are bulk packaging permanently attached to a vehicle.

  77. #77

    How is a portable tank different from a cargo tank?

    1. It holds only solids
    2. It never needs placards
    3. It is always smaller than 119 gallons
    4. It is not permanently attached to a vehicle

    Answer: D. Portable tanks are bulk packaging not permanently attached to a vehicle.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113Portable tanks are bulk packaging, which are not permanently attached to a vehicle.

  78. #78

    Which cargo tank is the most common for gases?

    1. MC331
    2. MC306
    3. MC312
    4. MC338

    Answer: A. The most common cargo tanks are MC306 for liquids and MC331 for gases.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113The most common cargo tanks are MC306 for liquids and MC331 for gases.

  79. #79

    Identification numbers on bulk packaging must be what size and color?

    1. White 1-inch numbers on red panels, placards, or a plain black square background
    2. Black 3.9-inch (100 mm) numbers on orange panels, placards, or a white diamond background
    3. Red 6-inch numbers on blue panels, placards, or a plain white rectangular background
    4. Black 2-inch numbers on yellow panels, placards, or a white round background

    Answer: B. The rules require black 100 mm (3.9-inch) numbers on orange panels, placards or a white diamond.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113The rules require black 100 mm (3.9-inch) numbers on orange panels, placards, or a white, diamond-shaped background if no placards are required.

  80. #80

    The shipping name letters on a portable tank of more than 1,000 gallons must be at least how tall?

    1. One inch
    2. Four inches
    3. Two inches
    4. Six inches

    Answer: C. Letters must be at least two inches tall on portable tanks over 1,000 gallons (one inch under 1,000).

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113The letters of the shipping name must be at least two inches tall on portable tanks with capacities of more than 1,000 gallons and one-inch tall on portable tanks with capacities of less than 1,000 gallons.

  81. #81

    A portable tank holding 1,000 gallons or more must show its identification number on:

    1. Two opposing sides only
    2. The rear only
    3. The front only
    4. Each side and each end

    Answer: D. For 1,000 gallons or more, the number goes on each side and each end; under 1,000 gallons, two opposing sides.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113The identification number must appear on each side and each end of a portable tank or other bulk packaging that hold 1,000 gallons or more and on two opposing sides, if the portable tank holds less than 1,000 gallons.

  82. #82

    The person watching the loading or unloading of a cargo tank must be:

    1. Authorized to move the cargo tank and able to do so
    2. Licensed as a hazmat inspector
    3. The tank's manufacturer
    4. Seated inside the cab with the engine off

    Answer: A. The watcher must be authorized to move the cargo tank and able to do so.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 113Be authorized to move the cargo tank and able to do so.

  83. #83

    Before moving a tank of hazardous materials, you must close all manholes and valves:

    1. Only if the tank is more than half full of the hazardous material
    2. No matter how small the amount in the tank or how short the distance
    3. Only for trips longer than 50 miles or when driving on a highway
    4. Only if the material is flammable or poisonous and the tank is not empty

    Answer: B. Close all manholes and valves regardless of amount or distance.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 114Close all manholes and valves before moving a tank of hazardous materials, no matter how small the amount in the tank or how short the distance.

  84. #84

    When filling a cargo tank with flammable liquid through an open filling hole, the tank must be grounded:

    1. Only after the filling hole is open and only until filling starts
    2. Only after filling is finished, once the filling hole has been closed
    3. Before opening the filling hole, and kept grounded until after closing it
    4. Only if the engine is running and the delivery pump is switched on

    Answer: C. Ground before opening the filling hole and keep it grounded until after closing it.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 114Ground the tank before opening the filling hole, and maintain the ground until after closing the filling hole.

  85. #85

    Liquid discharge valves on a compressed gas tank must be kept closed:

    1. Except when parked
    2. Except when driving
    3. Except during inspections
    4. Except when loading and unloading

    Answer: D. Keep liquid discharge valves closed except when loading and unloading.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 114Keep liquid discharge valves on a compressed gas tank closed except when loading and unloading.

  86. #86

    If your engine runs a pump during delivery of compressed gas, you should turn the engine off:

    1. After product transfer, before you unhook the hose
    2. After you unhook the hose and coil it on the truck
    3. Only after you drive away from the delivery site
    4. Before starting the transfer, once the hose is connected

    Answer: A. Turn the engine off after transfer and before unhooking the hose.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 114If you use the engine, turn it off after product transfer, before you unhook the hose.

  87. #87

    What is a safe haven?

    1. A rest area with a restaurant and fuel where hazmat trucks may park overnight
    2. An approved place for parking unattended vehicles loaded with explosives
    3. A repair shop approved for servicing vehicles that carry hazardous materials
    4. A weigh station where tank trucks are checked for hazardous materials

    Answer: B. A safe haven is an approved place for parking unattended vehicles loaded with explosives.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 114A safe haven is an approved place for parking unattended vehicles loaded with explosives.

  88. #88

    You should not park a vehicle with explosives on private property unless:

    1. The property is a parking lot
    2. It is raining
    3. The owner is aware of the danger
    4. The vehicle is empty of fuel

    Answer: C. Don’t park on private property unless the owner is aware of the danger.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 114Don’t park on private property unless the owner is aware of the danger.

  89. #89

    A placarded vehicle not carrying explosives must not park within how far of an open fire?

    1. 50 feet
    2. 100 feet
    3. 500 feet
    4. 300 feet

    Answer: D. Do not park within 300 feet of an open fire.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 114Do not park within 300 feet of an open fire.

  90. #90

    When transporting Division 1.1, 1.2 or 1.3 explosives, you must have:

    1. A written route plan, and follow it
    2. A verbal route approval from the dispatcher
    3. A map marked with rest areas
    4. No route plan if the trip is under 100 miles

    Answer: A. You must have a written route plan and follow that plan.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 115If transporting Division 1.1, 1.2, or 1.3 explosives, you must have a written route plan and follow that plan.

  91. #91

    How should hazardous materials shipping papers be distinguished from other papers?

    1. By stapling them to the logbook
    2. By tabbing them or keeping them on top of the stack
    3. By storing them in the glove box
    4. By keeping them under the other papers

    Answer: B. Tab them or keep them on top of the stack so they are easy to find.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 115Clearly distinguish hazardous materials shipping papers from others by tabbing them or keeping them on top of the stack of papers.

  92. #92

    Where must emergency response information be kept?

    1. In the sleeper berth behind the driver's seat
    2. In the cargo area, next to the hazmat packages
    3. In the same location as the shipping paper
    4. With the dispatcher back at the home terminal

    Answer: C. Emergency response information stays with the shipping paper.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 115Emergency response information must be kept in the same location as the shipping paper.

  93. #93

    A carrier must give each driver hauling Division 1.1, 1.2 or 1.3 explosives a copy of which regulations?

    1. FMCSR, Part 391
    2. 49 CFR Part 383
    3. FMCSR, Part 395
    4. FMCSR, Part 397

    Answer: D. Drivers get a copy of FMCSR Part 397 and sign a receipt.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 115A carrier must give each driver transporting Division 1.1, 1.2, or 1.3 explosives a copy of Federal Motor Carrier Safety Regulations (FMCSR), Part 397.

  94. #94

    A driver transporting chlorine in cargo tanks must have which item in the vehicle?

    1. An approved gas mask
    2. A portable radio
    3. A second spare tire
    4. A fire blanket

    Answer: A. A driver hauling chlorine must have an approved gas mask, plus an emergency kit for dome cover plate leaks.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 116an approved gas mask in the vehicle.

  95. #95

    While crossing railroad tracks in a placarded vehicle, you should:

    1. Shift to a lower gear on the tracks
    2. Not shift gears
    3. Accelerate hard
    4. Stop on the tracks to check for trains

    Answer: B. Don’t shift gears while crossing the tracks.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 116Don’t shift gears while crossing the tracks.

  96. #96

    If you suspect a cargo fire, what should you do before opening the trailer doors?

    1. Open them slowly to let smoke out
    2. Spray water through the door seams
    3. Feel the doors to see if they are hot
    4. Back the trailer to open air

    Answer: C. Feel trailer doors to see if they are hot; if hot, do not open them.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 116Feel trailer doors to see if they are hot before opening them.

  97. #97

    How should you NOT try to identify a leaking material or find the source of a leak?

    1. By checking the shipping papers
    2. By reading the labels
    3. By checking package locations
    4. By smell

    Answer: D. Do not identify the material or find the source of a leak by smell.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 116Do not try to identify the material or find the source of a leak by smell.

  98. #98

    If your hazardous materials cargo is already on fire, you should:

    1. Not fight the fire because it is not safe
    2. Use the fire extinguisher on the cargo
    3. Open the trailer doors to vent the fire
    4. Drive to the nearest truck stop

    Answer: A. If cargo is already on fire, it is not safe to fight the fire.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 116If your cargo is already on fire, it is not safe to fight the fire.

  99. #99

    After a Class 7 (Radioactive) spill, you must not use the vehicle until it is:

    1. Placarded again and approved by the shipper
    2. Cleaned and checked with a survey meter
    3. Weighed at a scale and inspected for leaks
    4. Painted over and aired out for a full day

    Answer: B. Do not use the vehicle until it is cleaned and checked with a survey meter.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 117Do not use the vehicle until it is cleaned and checked with a survey meter.

  100. #100

    You or your employer must phone the National Response Center if the general public is evacuated for more than:

    1. Six hours
    2. Thirty minutes
    3. One hour
    4. Twenty-four hours

    Answer: C. Report to the NRC when the public is evacuated for more than one hour.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 117The general public is evacuated for more than one hour.

  101. #101

    CHEMTREC was created to give emergency personnel:

    1. Permits and route approvals for carriers that haul hazardous materials
    2. Training certificates for drivers and shippers of hazardous materials
    3. Insurance coverage for cleanup costs after a hazardous materials spill
    4. Technical information about the physical properties of hazardous materials

    Answer: D. CHEMTREC provides technical information on the physical properties of hazmat.

    Source: North Dakota CDL Manual (AAMVA model), Section 9, p. 118CHEMTREC was created to provide emergency personnel with technical information about the physical properties of hazardous materials.
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