View instructions
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 District of Columbia hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The DC CDL hazmat test covers the information found in the District of Columbia 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. Placards should be placed at least ______ away from any other markings.
6 inches
3 inches
7 inches
15 inches
2. Which of the following is true? If a HazMat is a Poison Inhalation Hazard:
a POISON INHALATION HAZARD placard must always be displayed even for small amounts.
the material will have special requirements for shipping papers.
a POISON INHALATION HAZARD placard must be used in addition to other placards.
All of the above.
3. An "X" or an "RQ" in the HM column of the shipping paper entry means that:
the driver must receive a special HR training before driving the vehicle.
the materials listed on that line of the shipping paper must be loaded so there is a high center of gravity.
the shipment is regulated by the Hazardous Materials Regulations (HMR).
the hazardous materials listed on that line of the shipping paper must be sealed.
4. The regulations require that HazMat employees be trained and tested at least once every:
10 years.
3 years.
5 years.
5. If you are at the scene of an incident involving hazardous materials, you should:
avoid warn others of the danger as this could caus a panic attack.
keep people far away and upwind.
write description of the scene on the shipping paper.
All of the above.
6. Some packages of ________ bear a "transport index", which tells the degree of control needed during transportation.
radioactive materials
corrosive liquids
flammable liquids
7. Unless excepted, shipping papers must list:
an emergency response telephone number.
the colors of the materials.
the address of the driver.
a proper description of the truck.
8. Placards are used to:
force other drivers to change lane.
warn others of hazardous materials.
to give people something interesting to look at while they drive.
warn motorcyclists to drive in another lane.
9. Rough acceleration can cause:
damage electrical and brake lines.
mechanical damage.
tire damage.
All of the above.
10. If the hazardous materials are not properly prepared, a carrier should:
add a note to the shipping paper.
write a report.
refuse the shipment.
accept the shipment.
Page 1 of 3
Next page

CDL Hazmat Test DC

Number of questions: 30
Correct answers to pass:24
Passing score:80%
Share This Online CDL Test
Rate this CDL Hazmat Test
4.7 out of 5
based on 304 votes