Free Hazmat CDL Practice Test for Hazmat Terms and Definitions. Please take all of our free practice tests to ensure that you score well on the big day! The CDL A test includes common subjects such as General Knowledge, Driving Skills, Air Brakes, Transporting Cargo, Transporting Passengers, Combination Vehicles, Pre-Trip Inspection, and Basic Control Skills, and On-Road Driving Test.
Our free hazmat CDL practice test for Hazmat Terms and Definitions contains 25 questions. These questions will probably not be on the hazmat endorsement test. These are terms and definitions that you should know by heart. A complete glossary of terms and definitions can be found in the federal Hazardous Materials Rules 49 CFR 171.8.
Our free hazmat CDL practice test database contains hundreds of questions. If you need more practice or want to improve your score, click the ‘Restart Quiz’ button at the end of the test. The questions will be presented in a different order but they’ll be the same questions you already answered. The second time around you should know the answers.
The questions on this CDL hazmat practice test are DIFFICULT. The questions were composed directly from the federal Hazardous Materials Rules 49 CFR 171.8. References to the “chapter” or “subchapter” mean 49 CFR 171.8.
Feel free to retake this test as many times as you’d like. Once you receive your score there will be a button to View Questions. Wrong answers will be highlighted in red. The correct answer will be in a green box outlined in green.
Being the driver of a commercial vehicle is a huge responsibility. The written CDL test isn’t that bad. The actual driving test is rigorous. Inspectors do not want anyone on the road who isn’t capable of handling a big rig. Make sure you practice your driving and especially BACKING UP.
Congratulations on your decision to become a commercial driver!
Hazmat Terms and Definitions – Hazmat CDL Practice Test
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Question 1 of 25
1. Question
__________ means any non-refillable receptacle containing a gas compressed, liquefied or dissolved under pressure, the sole purpose of which is to expel a nonpoisonous (other than a Division 6.1 Packing Group III material) liquid, paste, or powder and fitted with a closing release device allowing the contents to be ejected by the gas.
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Question 2 of 25
2. Question
____________ means a hazardous material, other than a hazardous waste, whose end use directly supports the production of an agricultural commodity including, but not limited to a fertilizer, pesticide, soil amendment or fuel. An agricultural product is limited to a material in Class 3, 8 or 9, Division 2.1, 2.2, 5.1, or 6.1, or an ORM-D material.
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Question 3 of 25
3. Question
_______ means a flexible packaging made of paper, plastic film, textiles, wove
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Question 4 of 25
4. Question
_______ means an inner packaging having a neck of relatively smaller cross section than the body and an opening capable of holding a closure for retention of the contents.
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Question 5 of 25
5. Question
_______ means a packaging with complete rectangular or polygonal faces, made of metal, wood, plywood, reconstituted wood, fiberboard, plastic, or other suitable material. Holes appropriate to the size and use of the packaging, for purposes such as ease of handling or opening, or to meet classification requirements, are permitted as long as they do not compromise the integrity of the packaging during transportation, and are not otherwise prohibited in this subchapter.
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Question 6 of 25
6. Question
__________ means packages of hazardous materials that are handled individually, palletized, or unitized for purposes of transportation as opposed to bulk and containerized freight.
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Question 7 of 25
7. Question
__________ means a packaging, other than a vessel or a barge, including a transport vehicle or freight container, in which hazardous materials are loaded with no intermediate form of containment.
A Large Packaging in which hazardous materials are loaded with an intermediate form of containment, such as one or more articles or inner packagings.
This type of packaging has:
(1) A maximum capacity greater than 450 L (119 gallons) as a receptacle for a liquid;
(2) A maximum net mass greater than 400 kg (882 pounds) and a maximum capacity greater than 450 L (119 gallons) as a receptacle for a solid; or (3) A water capacity greater than 454 kg (1000 pounds) as a receptacle for a gas.
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Question 8 of 25
8. Question
_______ tank motor vehicle means a motor vehicle with one or more cargo tanks permanently attached to or forming an integral part of the motor vehicle.
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Question 9 of 25
9. Question
_______ means a person who transports passengers or property in commerce by rail car, aircraft, motor vehicle, or vessel.
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Question 10 of 25
10. Question
__________ packaging means a combination of packaging, for transport purposes, consisting of one or more inner packagings secured in a non-bulk outer packaging. It does not include a composite packaging.
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Question 11 of 25
11. Question
__________ means the person or place shown on a shipping document, package marking, or other media as the location to which a carrier is directed to transport a hazardous material.
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Question 12 of 25
12. Question
__________ means an outer packaging with incomplete surfaces.
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Question 13 of 25
13. Question
__________ container means a reusable container having a volume of 64 cubic feet or more, designed and constructed to permit being lifted with its contents intact and intended primarily for containment of packages (in unit form) during transportation.
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Question 14 of 25
14. Question
____________ means a tank other than a cargo tank, used to transport flammable or combustible liquid, or compressed gas for the purpose of supplying fuel for propulsion of the transport vehicle to which it is attached, or for the operation of other equipment on the transport vehicle.
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Question 15 of 25
15. Question
_______ means a material which has a vapor pressure greater than 300 kPa (43.5 psia) at 50 °C (122 °F) or is completely gaseous at 20 °C (68 °F) at a standard pressure of 101.3 kPa (14.7 psia).
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Question 16 of 25
16. Question
__________ weight means the weight of a packaging plus the weight of its contents.
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Question 17 of 25
17. Question
____________ means the category of hazard assigned to a hazardous material under the definitional criteria of part 173 of this subchapter and the provisions of the §172.101 table.
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Question 18 of 25
18. Question
____________ means one of four levels of hazard (Hazard Zones A through D) assigned to gases, as specified in §173.116(a) of this subchapter, and one of two levels of hazards (Hazard Zones A and B) assigned to liquids that are poisonous by inhalation, as specified in §173.133(a) of this subchapter.
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Question 19 of 25
19. Question
________________ means a substance or material that the Secretary of Transportation has determined is capable of posing an unreasonable risk to health, safety, and property when transported in commerce, and has designated as hazardous under section 5103 of Federal hazardous materials transportation law (49 U.S.C. 5103).
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Question 20 of 25
20. Question
_____________ means closed by fusion, gasketing, crimping, or equivalent means so that no gas or vapor can enter or escape.
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Question 21 of 25
21. Question
Maximum __________ means the maximum inner volume of receptacles or packagings.
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Question 22 of 25
22. Question
_______ or ullage means the amount by which a packaging falls short of being liquid full, usually expressed in percent by volume.
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Question 23 of 25
23. Question
_______________ means a bulk packaging (except a cylinder having a water capacity of 1000 pounds or less) designed primarily to be loaded onto, or on, or temporarily attached to a transport vehicle or ship and equipped with skids, mountings, or accessories to facilitate handling of the tank by mechanical means. It does not include a cargo tank, tank car, multi-unit tank car tank, or trailer carrying 3AX, 3AAX, or 3T cylinders.
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Question 24 of 25
24. Question
__________ means the hazardous material remaining in a packaging, including a tank car, after its contents have been unloaded to the maximum extent practicable and before the packaging is either refilled or cleaned of hazardous material and purg
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Question 25 of 25
25. Question
___________ means a shipping order, bill of lading, manifest or other shipping document serving a similar purpose and prepared in accordance with subpart C of part 172 of this chapter.
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