CDL Hazmat Endorsement Questions and Answers - 2025

CDL Hazmat Endorsement (Questions and Answers - 2025) Flashcards What kind of pressure is applied when utilizing parking or emergency brakes?Spring pressure When refueling a vehicle displaying hazardous materials placards where should a person be positioned?At the nozzle controlling the fuel flow What is listed in column two of the Hazardous Materials Table?List proper shipping names and descriptions of regulated materials

True or False: it is correct to say that a written route plan is

required when transporting Division 1.1 explosives?True What does it signify if the word "forbidden" appears in the hazardous materials class column of an entry in the Hazardous Materials Table?The material is prohibited for transportation under any circumstances What does it indicate when an entry on a shipping paper is bold highlighted or printed in another color?Special handling instructions are required for the item What information is provided for each item description on a shipping paper?The material's hazard class When a truck carrying explosives has an incident with another vehicle the driver should ___?Place the explosive at least 200 ft away from the vehicle and occupied buildings

True or False: It is accurate to say that Class 6 poisons

must be transported in containers with interconnectors?False

True or False: It is accurate to say that the labels found on

packages containing hazardous materials are diamond-shaped?True Which of these is the primary entry to be recorded first on the shipping documents?The proper shipping name Placards must be placed at least blank inches from other markers?Three Where are placards required to be displayed on a placarded vehicle?On the front, rear, and both sides On the Hazardous Materials Table what column shows the hazard warning labels shippers must put on packages of hazardous materials?Column 6

True or False: It is accurate to say that the most crucial

marking on a package is the name of the hazardous material?True When a vehicle is leaking hazardous material the driver should ___?Not move it any more than safety requires When the driver is not behind the wheel where should shipping and emergency response papers be kept?Driver's door pouch or on the driver's seat What is a mandatory requirement when transporting chlorine in cargo tanks?An Emergency Response Guidebook in the cabin

What information is conveyed by the transport index of a radioactive material?The degree of control needed during transportation What does it mean when "RQ" is listed on shipping papers?Reportable Quantity If your vehicle is leaking a hazardous material what action should you avoid taking a trying to stop the leak using available tools?Any more than safety requires When the vehicle is loaded with a flammable liquid how many feet away from the vehicle are you as the driver allowed to smoke?100 ft Identification numbers used to identify hazardous materials have how many digits?Four What is true about a portable tank?It can be removed from a vehicle

True or False: It is accurate to say that the transport index

indicates which hazardous materials in the load being transported require placards?False

True or False: It's accurate to say that you should not stack

nitric acid in heights exceeding 2 feet during loading?True When transporting 2000 lbs of phosphoric acid how far should you avoid parking from the traveled portion of the highway except during normal operations for a brief period?300 ft Regarding refusing shipment of leaking packages who holds the responsibility for this action?The carrier company receiving the shipment What is the primary action to take during a hazardous materials emergency?Warn others of the danger Which type of hazardous materials should not be loaded in the same vehicle with animal and foodstuffs?Poisons While inspecting a vehicle carrying hazardous cargo where should the shipping papers be placed to ensure visibility?On the dashboard visible through the windshield Which item is loading into closed cargo spaces allowed only if packaged in fire water resistant materials and covered with a fire water resistant tarp?Flammable liquids What is the classification for gasoline under the appropriate hazardous material class or division?Class 3 Flammable Liquids Containment rules guide drivers on loading transporting and unloading bulk tanks of hazardous materials. True or false?True

True or False: It's accurate to say that the driver must

immediately clean up any leaking hazardous material they come across?False Identify the correct hazardous material class or division for white phosphorus Class 4 Flammable Solids When transporting chlorine how much of it in gallons requires you to stop before crossing a railroad grade?Any amount

True or False: It is accurate to say that a shipment of

hazardous materials is solely described by hazardous materials transportation papers?False What is the maximum permissible total transport index for all packages in a single vehicle?50 What signals can be employed to alert others of a stationary vehicle carrying flammable liquid?Reflective triangles and hazard lights Is it accurate that you should halt and inspect your tires at intervals of every 2 hours or 100 miles?True What is the minimum distance you are allowed to park a vehicle carrying hazardous materials from an open fire?300 ft The blank placard is a white triangle with a fish and an X through the fish?Marine Pollutant How long does a carrier have to make a detailed written report after an incident?30 days Why is it untrue that a total of two placards must appear on each side of the vehicle?Most often, four placards are required for a hazardous material shipment-a placard must appear on each side of the vehicle and must also appear on the front and back of the vehicle. The shipper is required to supply the driver with the placards with the required identification numbers What is required when dealing with packages of explosives?Use proper handling and safety measures On the shipping papers which information should be listed first for a hazardous product the hazard class the identification number or its proper shipping name?Proper shipping name

True or False: It is accurate to say that the power unit of

placarded vehicles must be equipped with a fire extinguisher having a UL rating of 10 BC or greater?True The Hazardous Materials Regulations have two main

objectives: ensuring safe drivers and equipment and

communicating the risk. What is the third objective?Establishing guidelines for emergency response plans When does a symbol blank indicate materials may not be loaded transported or stored together in the same vehicle or storage facility?With an X When your vehicle contains explosives oxidizers or flammables what is the minimum distance within which smoking is prohibited?50 ft How many sides of a vehicle placarded for hazardous materials must display placards?Four If a vehicle transporting explosives collides with an object when is it safe to move the object away?The explosives have been removed and placed at least 200 ft away What is true about stopped vehicle signals while transporting hazardous materials?All of the above

True or False: It is accurate to say that the shipper is the

party responsible for reporting an accident involving

hazardous materials to the appropriate government agency?False