This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background check. To receive this endorsement, applicants must pass a test. The test consists of 30 multiple choice questions. To pass, the applicant must answer at least 24 questions correctly. Each question has three or four possible answer choices. Test questions come from the Wyoming Driver License Manual for Commercial and Heavy Vehicles. Questions come from the chapter covering: Hazardous Materials. The Hazardous Materials endorsement can be used with Class A, B and C CDL.
Number of Question
1. ____ are used to warn others of hazardous materials.
Diamond-shaped signs called placards are placed on bulk packages and on the outside of vehicles to warn drivers and others of the presence of hazardous materials. It is the responsibility of the shipper to place the placards, and it is the responsibility of the driver to verify that the correct placards have been placed.
2. Many products classed as poison are also:
Many hazardous materials classified as poisonous are also flammable.
3. Before any flammable liquids are loaded or unloaded, the engine should be:
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.
4. A driver needs a CDL with a hazardous materials endorsement to transport hazardous materials in:
You must have a CDL with a hazardous materials endorsement to operate a vehicle of any size to transport hazardous materials.
5. The only way to properly check your tire pressure is by:
You must examine each tire on a motor vehicle at the beginning of each trip. The only effective way to check tire pressure is by using a tire pressure gauge.
6. Shipping papers should be: