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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 Oregon hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The OR CDL hazmat test covers the information found in the Oregon 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. Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
a heater.
an air conditioner.
reflective triangles.
2. While driving, you should keep the shipping papers:
on the driver's seat.
in the sleeping compartment.
within reach.
under the seat.
3. When fueling a placarded vehicle, someone must always be:
at the emergency power shut off for the pump.
within 15 feet of the pump with a fire extinguisher.
watching the fueling from a safe distance.
None of the above.
4. Your engine runs a pump used during delivery of compressed gas. After product transfer, you should:
leave the engine on while you unhook the hose.
turn off the engine while you unhook the hose.
turn off the engine before you unhook the hose.
turn off the engine after you unhook the hose.
5. If there is an "RQ" before or after the HEMS description on the shipping paper, it means that:
the carrier must report any spill of this material.
the material is in a package containing no other materials.
the material has a value of more $50,000.00.
All of the above.
6. An ABS system:
keep your wheels from locking when you brake hard.
helps you avoid skids caused by over braking.
gives you more control over the vehicle during braking.
All of the above.
7. If you're feeling tired while driving you should:
drink coffee.
increase your speed to get to your destination quicker.
eat something.
stop driving and get some rest.
8. How many classes of hazardous materials are there?
9. Which of these statements about using your mirrors is FALSE?
When driving, you should check mirrors regularly to know where other vehicles are around you.
You should use your mirrors to spot overtaking vehicles.
There are blind spots that your mirrors cannot show you.
None of the above.
10. When carrying division 1.1, 1.2, or 1.3 explosives, do not park within ______ of a bridge, tunnel, or building, except for short periods of time needed for vehicle operation necessities.
300 feet
1000 feet
500 feet
50 feet
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CDL Hazmat Test OR

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