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CDL-Hazardous Materials Questions & Answers
1.Shippers package in order to CONTAIN the material:
2.Drivers placard their vehicle to communicate the risk:
3.What three things do you need to know to decide which placards (if any) you need ANS Material's hazard class Amount being shipped Amount of all hazardous materials of all classes on your vehicle 4.Where must the hazardous materials identification number appear ANS on the shipping paper as part of the shipping description and also appear on the package.It also must appear on cargo tanks and other bulk packaging 5.Where must you keep shipping papers describing hazardous materials ANS In a pouch on the driver's door, or In clear view within immediate reach while the seat belt is fastened while driving, or On the driver's seat when out of the vehicle.
6.Around which hazard classes must you never smoke ANS Class 1 (Explosives) Class 2.1 (Flammable Gas ) Class 3 1 / 3
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(Flammable Liquids) Class 4 (Flammable Solids) Class 5 (Oxidizers) 7.Which three hazard classes should not be loaded into a trailer that has a heater/air conditioner unit ANS Class 1 (Explosives)Class 2.1 (Flammable Gas ) Class 3 (Flammable Liquids) 8.Should the floor liner required for Division 1.1 or 1.2 materials be stainless steel ANS No. The floors must be tight and the liner must be either non- metallic material or non-ferrous metal.
9.At the shippers dock your given a paper for 100 cartons of battery acid.You already have 100 pounds of dry Cyanide on board. What precautions do you have to take ANS You cannot load Cyanides or Cyanide mixtures with any type of acid, corrosive material, or other acidic material which could release hydrocyanic acid from cyanides.
10.Name a Hazard class that uses the transport indexes to determine the amount that can be loaded in a single vehicle ANS Radioactive materials.The total transport index of all radioactive materials in a single vehicle must not exceed 50. 2 / 3
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11.What are cargo tanks ANS bulk packaging whichIs a tank intended primarily for the carriage of liquids or gases and includes appurtenances, reinforcements, fittings, and closures (for "tank", see 49 CFR 178.345-1(c), 178.337-1, or 178.338-1, as applicable);Is permanently attached to or forms a part of a motor vehicle, or is not permanently attached to a motor vehicle but which, by reason of its size, construction, or attachment to a motor vehicle is loaded or unloaded without being removed from the motor vehicle; andIs not fabricated under a specification for cylinders, portable tanks, tank cars, or multi-unit tank car tanks.
12.How is a portable tank different from a cargo tank ANS Cargo tanks are perma- nently attached to the vehicle Portable tanks which are also bulk packaging, are not permanently attached to the vehicle 13.You engine runs a pump used during delivery of compressed gas.Should you turn off the engine before or after unhooking hoses after deliv- ery ANS If you use the engine, turn it off after product transfer, before you unhook the hose
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