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Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The Arizona hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The AZ CDL hazmat test covers the information found in the Arizona CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
1. The power unit of placarded vehicles must have a fire extinguisher with a UL rating of _______ or more.
10 B:C
10 A:B
15 B:C
2. Column 2 in the Hazardous Material Table contains:
the identification numbers.
the HazMat description and shipping name.
the hazard class or division.
3. Strong winds can make it difficult to stay in your lane, especially when:
driving at speeds below 40 mph.
going into tunnels.
coming out of tunnels.
4. When driving on slippery roads, you should NOT:
try to anticipate stops early.
go slowly.
use the engine brake.
5. Which of the following statements about backing heavy vehicles is true?
Back to the right side so that you can see better.
Always back as quickly as possible.
You should avoid backing whenever you can.
6. Placards must be placed:
so that the format, color, and message can only be seen by the driver.
so the words or numbers are read from left to right.
less than 3 inches away from any other markings.
7. If you have convex mirrors, be aware that:
everything appears smaller in a convex mirror than it would if you were looking at it directly.
in a convex mirror objects appears larger than they really are.
objects seem closer than they really are.
8. Two of the most common causes of tire fires are:
Duals that touch and under-inflated tires.
Loose lug nuts and duals that touch.
Driver smoking and bleeding tar.
9. When driving at night you should dim your lights when following another vehicle within:
1 mile.
500 feet.
100 feet.
10. Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
the parking brake should never used to slow the vehicle.
pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
shifting into neutral may help slow the vehicle.
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AZ CDL Hazmat Test

Number of questions: 30
Correct answers to pass:24
Passing score:80%
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