CDL Hazmat Endorsement Practice Test 2026: Test de práctica 2

1. Pregunta 1 de 25

   While you drive, where must you keep hazmat shipping papers?

   • AIn the trailer with the load, near the rear doors
   • BWithin reach with your seat belt on, or in the door pouch
   • CIn the glove box of the company's office car
   • DIn the sleeper berth, in a locked drawer
   Ver respuesta

   Respuesta: B. Within reach with your seat belt on, or in the door pouch

   Keep the papers within your reach with your seat belt on, or in the pouch on the driver's door, so they are easy to find.

2. Pregunta 2 de 25

   When you leave the cab, where should you put the hazmat shipping papers?

   • AIn your pocket, so no one can take them
   • BOn the driver's seat or in the door pouch
   • CIn the sleeper berth, out of sight
   • DIn the trailer, with the hazmat load
   Ver respuesta

   Respuesta: B. On the driver's seat or in the door pouch

   Leave the papers where emergency responders can find them: on the driver's seat or in the door pouch.

3. Pregunta 3 de 25

   How should hazmat shipping papers be kept with other papers in the cab?

   • AFolded inside your logbook or tablet
   • BAt the bottom of the pile of papers
   • CMixed in with all the other papers
   • DTabbed or on top of the other papers
   Ver respuesta

   Respuesta: D. Tabbed or on top of the other papers

   Hazmat papers must be easy to find: tabbed or on top of other shipping papers.

4. Pregunta 4 de 25

   Which information must the emergency response information with a shipment cover?

   • AHealth hazards, fire risks, spill handling and first aid
   • BThe receiver's address and business hours
   • CThe price of the load and the shipper's bank
   • DThe driver's route and planned rest stops
   Ver respuesta

   Respuesta: A. Health hazards, fire risks, spill handling and first aid

   Emergency response information explains the dangers and what to do in a fire, leak or spill, including first aid.

5. Pregunta 5 de 25

   How many placards must a placarded vehicle display?

   • AOne, on the back of the vehicle
   • BTwo, one on each side of the vehicle
   • CAt least four, one on each side and end
   • DOne, on the front of the vehicle
   Ver respuesta

   Respuesta: C. At least four, one on each side and end

   Placards must go on each side and each end of the vehicle.

6. Pregunta 6 de 25

   From which directions must placards be readable?

   • AOnly from the front
   • BOnly from the driver's side
   • CAll four directions
   • DOnly from the rear
   Ver respuesta

   Respuesta: C. All four directions

   Placards must be placed so they can be read from all four directions.

7. Pregunta 7 de 25

   How much of a Table 1 material requires placards?

   • A1,001 pounds or more
   • BAny amount
   • CMore than 5,000 pounds
   • D2,205 pounds or more
   Ver respuesta

   Respuesta: B. Any amount

   Table 1 materials must be placarded in any amount.

8. Pregunta 8 de 25

   A truck carries a non-bulk load of Table 2 hazardous materials. At what total weight are placards required?

   • AAny amount
   • B10,000 pounds or more
   • C1,001 pounds or more
   • D500 pounds or more
   Ver respuesta

   Respuesta: C. 1,001 pounds or more

   Placards are not needed for less than 1,001 pounds aggregate gross weight of Table 2 materials in non-bulk packages.

9. Pregunta 9 de 25

   Which of these materials requires placards in any amount?

   • ADivision 2.3 poison gas
   • BDivision 2.2 nonflammable gas
   • CClass 3 flammable liquid
   • DClass 8 corrosive
   Ver respuesta

   Respuesta: A. Division 2.3 poison gas

   Poison gas is a Table 1 material. The others are Table 2 materials.

10. Pregunta 10 de 25

    Which of these is a Table 1 material?

    • ADivision 4.1 flammable solid
    • BDivision 4.3 dangerous when wet
    • CClass 9 miscellaneous
    • DDivision 5.1 oxidizer
    Ver respuesta

    Respuesta: B. Division 4.3 dangerous when wet

    Dangerous when wet (4.3) is in Table 1 and must be placarded in any amount.

11. Pregunta 11 de 25

    Which explosives are Table 1 materials?

    • AOnly Division 1.6
    • BDivisions 1.1, 1.2 and 1.3
    • CNone; explosives are never Table 1
    • DDivisions 1.4, 1.5 and 1.6
    Ver respuesta

    Respuesta: B. Divisions 1.1, 1.2 and 1.3

    Divisions 1.1, 1.2 and 1.3 are in Table 1. Divisions 1.4, 1.5 and 1.6 are in Table 2.

12. Pregunta 12 de 25

    You have 600 pounds of Division 1.1 explosives. Do you need placards?

    • ANo, explosives are never placarded
    • BYes, Table 1 needs placards in any amount
    • COnly if you drive at night
    • DNo, because it is under 1,001 pounds
    Ver respuesta

    Respuesta: B. Yes, Table 1 needs placards in any amount

    Division 1.1 is a Table 1 material, so any amount needs placards.

13. Pregunta 13 de 25

    You have 800 pounds of a Class 8 corrosive in non-bulk packages and nothing else. Do you need placards?

    • AOnly if you cross a state line
    • BYes, any amount of hazmat needs placards
    • CNo, it is a Table 2 material under 1,001 pounds
    • DYes, corrosives always need placards
    Ver respuesta

    Respuesta: C. No, it is a Table 2 material under 1,001 pounds

    Table 2 materials in non-bulk packages need placards at 1,001 pounds or more aggregate gross weight.

14. Pregunta 14 de 25

    Does the 1,001-pound exception for Table 2 materials apply to bulk packaging?

    • ANo, bulk packages need placards at any amount
    • BYes, it applies to all bulk packaging
    • COnly for liquids in bulk packaging
    • DOnly for Class 9 in bulk packaging
    Ver respuesta

    Respuesta: A. No, bulk packages need placards at any amount

    The under-1,001-pound exception does not apply to bulk packagings.

15. Pregunta 15 de 25

    When may you use a DANGEROUS placard?

    • AFor two or more Table 2 categories on one load
    • BOnly for explosives in Division 1.4
    • CInstead of all other placards on any load
    • DFor any Table 1 material, in any amount
    Ver respuesta

    Respuesta: A. For two or more Table 2 categories on one load

    A DANGEROUS placard can replace separate Table 2 placards when the load has two or more Table 2 categories.

16. Pregunta 16 de 25

    You use a DANGEROUS placard, but you load 2,205 pounds of one Table 2 category at one place. What must you do?

    • AUse only the DANGEROUS placard
    • BRemove all placards
    • CDisplay that category's own placard
    • DNothing more
    Ver respuesta

    Respuesta: C. Display that category's own placard

    If 1,000 kg (2,205 pounds) or more of one category is loaded at one facility, that category's placard must be shown.

17. Pregunta 17 de 25

    A package has a Radioactive Yellow III label. When does the vehicle need a RADIOACTIVE placard?

    • AOnly over 2,205 pounds
    • BOnly over 1,001 pounds
    • CFor any amount
    • DNever
    Ver respuesta

    Respuesta: C. For any amount

    Radioactive materials with the Yellow III label are a Table 1 material and need placards in any amount.

18. Pregunta 18 de 25

    Is a CLASS 9 placard required for domestic (U.S.) transportation?

    • AYes, but only for loads over 1,001 pounds
    • BYes, always, for any amount of Class 9
    • COnly when Class 9 is mixed with explosives
    • DNo, though bulk packages still need ID numbers
    Ver respuesta

    Respuesta: D. No, though bulk packages still need ID numbers

    A Class 9 placard is not required for domestic transport. Bulk packagings must still be marked with the ID number.

19. Pregunta 19 de 25

    Your load has both flammable gas and nonflammable gas, and you placard for flammable gas. Do you also need a NON-FLAMMABLE GAS placard?

    • AYes, always
    • BOnly if the load is over 5,000 pounds
    • CNo
    • DOnly on the front
    Ver respuesta

    Respuesta: C. No

    A NON-FLAMMABLE GAS placard is not needed when the vehicle is placarded for flammable gas or oxygen.

20. Pregunta 20 de 25

    You carry explosives from more than one Class 1 division. Which explosives placard do you display?

    • AThe placard for the highest division number
    • BNone; use the DANGEROUS placard instead
    • CThe placard for the lowest division number
    • DOne placard for every division carried
    Ver respuesta

    Respuesta: C. The placard for the lowest division number

    When more than one Class 1 division is carried, show only the placard for the lowest division number.

21. Pregunta 21 de 25

    Which placard is used for materials that are poisonous by inhalation?

    • AFLAMMABLE GAS
    • BDANGEROUS WHEN WET
    • CPOISON INHALATION HAZARD
    • DCORROSIVE MATERIAL
    Ver respuesta

    Respuesta: C. POISON INHALATION HAZARD

    Division 6.1 materials that are poisonous by inhalation need the POISON INHALATION HAZARD placard in any amount.

22. Pregunta 22 de 25

    Which hazard division needs no placard at all under the placard tables?

    • ADivision 1.1 explosives
    • BDivision 6.2 infectious substances
    • CDivision 4.3 dangerous when wet
    • DDivision 2.3 poison gas
    Ver respuesta

    Respuesta: B. Division 6.2 infectious substances

    The placard table lists NONE for Division 6.2.

23. Pregunta 23 de 25

    What should you do with the parking brake before loading or unloading hazardous materials?

    • ASet it
    • BRemove it
    • CRelease it
    • DIt does not matter
    Ver respuesta

    Respuesta: A. Set it

    Set the parking brake so the vehicle cannot move during loading and unloading.

24. Pregunta 24 de 25

    Which tools should you NOT use when handling hazmat packages?

    • AWork gloves made for the job
    • BHooks or tools that can damage packages
    • CHand trucks used with care
    • DPallet jacks used carefully
    Ver respuesta

    Respuesta: B. Hooks or tools that can damage packages

    Do not use hooks or tools that could puncture or damage packages.

25. Pregunta 25 de 25

    How close to a vehicle being loaded with explosives, oxidizers or flammables may anyone smoke?

    • A10 feet
    • B50 feet is required only at night
    • CNo closer than 25 feet
    • DSmoking is allowed if the doors are closed
    Ver respuesta

    Respuesta: C. No closer than 25 feet

    No one may smoke within 25 feet of these materials.

Teclado: 1–4 para responder, Intro para la siguiente pregunta.

El examen real: Varies by state; usually 30 questions, with 24 correct needed (80%)