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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 Connecticut hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The CT CDL hazmat test covers the information found in the Connecticut 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. If the ABS is not working:
you should immediately reduce your speed.
the truck will still have normal brakes.
the truck will have no brakes.
All of the above.
2. If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:
in the same color as the non-hazardous materials.
highlighted in a contrasting color.
listed in yellow ink.
listed at the bottom.
3. What is the most important reason to inspect your vehicle?
Vehicle inspection is required by federal and state laws.
Saving money by preventing costly repairs.
Achieving the best gas mileage.
Your safety and that of other road users.
4. When approaching a vehicle with a distracted driver, you should:
sound your horn.
change lanes quickly.
maintain your safe following distance.
quickly pass the vehicle.
5. If your vehicle does not have racks to hold cylinders of compressed gas, the cylinders must be:
less than half of the cargo.
bundled together with steel strapping.
held upright.
held upside down.
6. You had to drive onto the right shoulder to avoid a crash. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
If the shoulder is clear, stay on it until your vehicle has come to a stop, then move back onto the pavement when it is safe.
Brake hard to slow the vehicle, then steer sharply onto the pavement.
Keep moving at the present speed and steer very gently back onto the pavement.
None of the above.
7. If your brakes get wet, it can cause them:
to grab.
to apply unevenly.
to be weak.
All of the above.
8. If hazardous materials are spilling from your vehicle while you are driving:
park the vehicle, secure the area and send someone else for help.
try to find the source of the leak by smell.
continue driving in order to find a truck stop, phone booth or help.
touch the leaking material to make sure it's not water.
9. To obtain the HazMat endorsement, you must pass a ________ background check.
Law Enfrocement Agency
Local Department of Security
Federal Bureau of Investigation
Transportation Security Administration
10. If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
3 seconds
4 seconds
5 seconds
6 seconds
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Hazmat CDL Test (CT)

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