Examination Practice Questions And

Illinois CDL HazMat Endorsement Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary purpose of the HazMat endorsement on a CDL?
• To allow drivers to transport passengers
• To allow drivers to operate tank vehicles
• To allow drivers to transport hazardous materials
• To allow drivers to operate double/triple trailers

Rationale: A HazMat endorsement certifies that the driver is trained

and authorized to safely transport hazardous materials.

2. Before transporting hazardous materials, a driver must:

• Only carry the shipping papers
• Only wear personal protective equipment 1 / 4

• Know the hazardous materials being transported and follow

regulations

• Only use the horn when entering tunnels

Rationale: Drivers must understand what materials they are

carrying, how to handle them safely, and the applicable federal and state regulations.

• Which of the following is considered a hazardous material?
• Apples
• Gasoline
• Cotton
• Water

Rationale: Gasoline is flammable and is regulated as a hazardous

material.

• Who issues the HazMat endorsement on a CDL?
• Department of Transportation (DOT)
• Federal Motor Carrier Safety Administration (FMCSA)
• State licensing agency
• Environmental Protection Agency (EPA)

Rationale: State licensing agencies issue endorsements on CDLs after

a driver meets federal requirements.

• What information must be on hazardous materials shipping papers?
• Only the delivery address
• Only the vehicle license plate 2 / 4

• Proper shipping name, hazard class, and quantity
• Only the driver’s name

Rationale: Shipping papers must accurately identify the material, its

class, and the amount being transported.

• When transporting hazardous materials, a driver must keep the

shipping papers:

• In the trunk of the vehicle
• Within reach in the driver’s compartment
• On a clipboard in the office
• In the mail

Rationale: Papers must be readily accessible in case of an inspection

or emergency.

• Which placard is used for flammable liquids?
• Red with a flame symbol
• Blue with a water drop
• Red with a flame symbol and class 3 marking
• Yellow with an explosion symbol

Rationale: Class 3 flammable liquids require a red placard with a

flame symbol.

• What is the proper action if hazardous materials leak from a vehicle?
• Ignore it and continue driving
• Stop, secure the area, and report the spill
• Try to clean it with a rag 3 / 4

• Speed to the nearest exit

Rationale: Safety is critical; leaks must be contained and reported to

prevent harm.

• Which class of hazardous materials is corrosive?
• Class 2
• Class 8
• Class 1
• Class 3

Rationale: Class 8 materials are corrosives that can cause severe

damage to skin or metal.

• What is the minimum fire extinguisher requirement for a

HazMat vehicle?

• None
• 1 small extinguisher under the seat

C. At least one rated 10 B:C

• Two extinguishers, size 2 A:B:C

Rationale: Federal regulations require at least one fire extinguisher

rated 10 B:C for vehicles carrying hazardous materials.

• When is a HazMat placard required on a vehicle?
• Always, even when empty
• When carrying 1,001 pounds or more of a hazardous material
• Only when carrying liquids
• Only for passenger vehicles
• / 4