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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 Utah hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The UT CDL hazmat test covers the information found in the Utah 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. Why should you check your mirrors regularly to know where other vehicles are around you?
To better assess your own speed.
To know whether you can make a quick lane change in an emergency.
To flash the brake lights if you are being tailgated.
To move out of their way if they want to get past.
2. The hazardous materials identification number must appear on the shipping paper, on the package and:
on cargo tanks and other bulk packaging.
on the back of the truck.
on the steering wheel.
on the license plate.
3. When approaching a stopped bus, you must be aware that:
passengers may cross in front of or behind the bus.
passengers crossing in front of the bus can always see you.
passing a stopped bus is illegal.
a student may be driving the bus.
4. If you hear a loud loud "bang" and the steering feels "heavy", you should:
brake hard and pull off the road.
pump the brakes until the vehicle has slowed down.
hold the steering wheel firmly and stay off the brake.
check your rearview mirrors to see if you have a flat tire.
5. What should you do if your vehicle starts hydroplaning?
Accelerate slightly, then push in the clutch to slow down.
Release the accelerator and push in the clutch to let the wheels turn freely.
Leave the road completely.
Apply the brakes and countersteer to regain control of the vehicle.
6. Non-bulk packaging means a packaging which has:
a maximum net mass less than 200 kg (441 pounds) and a maximum capacity of 225 L (60 gallons) or less as a receptacle for a solid.
a water capacity greater than 908 kg (2,000 pounds) or less as a receptacle for a gas.
a maximum capacity of 450 L (119 gallons) or less as a receptacle for a liquid.
All of the above.
7. When driving at night you should dim your lights when following another vehicle within:
500 feet.
1 mile.
50 feet.
100 feet.
8. When you're going uphill and a heavy load is slowing you down, you should:
drive on the shoulder if you can.
stay in the left lane if you can.
pass another slow vehicle to gain speed.
shift into a lower gear.
9. When driving at night you should:
always use low beams.
keep the interior light on.
use your high beams when it is safe and legal to do so.
All of the above.
10. A material’s hazard class reflects:
the risks associated with the material.
the emergency response information related to the material.
the type of packaging required to transport the material.
the methods for handling spills or leaks in the absence of fires.
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UT CDL Hazmat Test

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