HazMat #1
Hazmat Test | Colorado 2025 #1 Page 2 of 5
On our website, we provide FREE practice - CDL hazmat test online! The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a CO CDL hazmat endorsement in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that Colorado requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.
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7 . When driving a vehicle with empty cargo tanks that are used to carry hazardous materials, the driver:
Should never drive over railroad tracks.
A vehicle with tanks that are used to transport hazardous materials must always be stopped before being driven over railroad tracks, even if the tanks are empty.
8 . Hazardous materials laws are controlled by:
All levels of government.
Because of the risks presented by the nature of the materials, government on federal, state, and local levels may impose regulations on the transportation of hazardous materials.
9 . What could indicate that a shipment you are accepting contains hazardous materials?
The cargo has green packaging.
Cylinders and drums are often used to contain hazardous materials. Be sure to take the proper precautions if transporting a cargo of hazardous materials.
10 . Before any flammable liquids are loaded or unloaded, the engine should be:
Drained of oil.
Before loading or unloading a tank with flammable liquids, you should turn off the engine, unless running the engine is necessary to operate a pump.
11 . A person should not smoke within ____ of a vehicle placarded for Class 3 or Division 2.1 materials.
1,000 feet
A person should not smoke within 25 feet of a placarded tank that is used to transport Class 3 (flammable liquids) or Division 2.1 (gases) materials. Additionally, no person should smoke or carry a lit cigar, cigarette, or pipe within 25 feet of any vehicle containing Class 1 (explosives), Class 4 (flammable solids), or Class 4.2 (spontaneously combustible).
12 . A driver must take the HazMat knowledge test:
Only once.
