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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 Rhode Island hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The RI CDL hazmat test covers the information found in the Rhode Island 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. Shippers must warn drivers and others about the material's hazards:
by placing a red triangle with an orange center on the vehicle.
by making a written report each day on the condition of the material.
by putting hazard warning labels on packages.
2. When approaching a vehicle with a distracted driver, you should:
maintain your safe following distance.
change lanes quickly.
quickly pass the vehicle.
3. Who must certify that the package has been prepared according to the rules?
The carrier
The shipper
The driver
4. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
prevent movement of cargo.
keep from rolling back.
hold compressed air.
5. When shippers package hazardous materials, they certify that the package has been prepared according to the rules. The only exceptions are when:
the sealed loads is provided by the carrier and the package cannot be inspected.
a shipper is a private carrier transporting hazardous waste.
a shipper is a private carrier transporting their own product, and when the package is provided by the carrier.
6. On front tires, tread should be at least:
4/32 inch
2/32 inch
4/16 inch
7. After starting the engine the coolant temperature should:
rise quickly.
rise gradually.
slowly decrease.
8. All drivers involved in transporting hazardous materials must:
refuse leaking packages.
know the security risks of hazardous materials transportation.
All of the above.
9. When you use your mirrors while driving on the road, you should:
only use the driver's side mirror.
avoid checking them regularly.
check them quickly.
10. Column 2 in the Hazardous Material Table contains:
the hazard class or division.
the identification numbers.
the HazMat description and shipping name.
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RI CDL Hazmat Test

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