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Utah CDL Permit Test - HazMat

(From the 2021 Utah CDL driver handbook)
Number of questions: 30
Passing score: 24
Directions: This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background check. To receive this endorsement, applicants must pass a test. The test consists of 30 multiple choice questions. To pass, the applicant must answer at least 24 questions correctly. Each question has two, three or four possible answer choices. Test questions come from the Utah Commercial Driver License Handbook. Questions come from the chapter covering: Hazardous Materials. The Hazardous Materials endorsement can be used with Class A, B and C CDL.
You have made error so far
Passing grade —
6 or fewer errors

The person loading a tank with hazardous materials must be all of the following, except:

Within 10 feet of the tank.
Aware of the hazards associated with the materials.
Authorized to move the tank.

If corrosive materials leak in the trailer, the trailer should be:

Cleaned with acid.
Cleaned with water.
Left to air-dry without washing.
Cleaned with bleach.

Who must label hazardous materials?

The shipper
The loader
The driver
The mechanic

A person who is watching the loading or unloading of a tank must do all of the following, except:

Remain alert.
Remain within 25 feet of the tank.
Wear a chemical suit.
Know the hazards of the materials involved.

If you are transporting explosives and your vehicle breaks down, you may notify other drivers:

With flares.
With electric lights.
By standing on the roadway and waving your arms.
By keeping the driver's side door open.

Who must mark and label the materials for shipping?

The mechanic
The shipper
The driver
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