CDL Hazmat Endorsement (Questions
and Answers - 2026)
What information is conveyed by the transport index of a radioactive material? -
ANSWER-The degree of control needed during transportation
True or False: It's accurate to say that the driver must immediately clean up any leaking
hazardous material they come across? - ANSWER-False
What information is provided for each item description on a shipping paper? -
ANSWER-The material's hazard class
True or False: It's accurate to say that you should not stack nitric acid in heights
exceeding 2 feet during loading? - ANSWER-True
What is the minimum distance you are allowed to park a vehicle carrying hazardous
materials from an open fire? - ANSWER-300 ft
While inspecting a vehicle carrying hazardous cargo where should the shipping papers
be placed to ensure visibility? - ANSWER-On the dashboard visible through the
windshield
What must be included in the written instructions for a driver to transfer Class A and B
explosives? - ANSWER-The emergency response procedures and contact information
What is the classification for battery acid under the appropriate hazardous material
class or division? - ANSWER-Class 8 Corrosive Materials
Which of these is the primary entry to be recorded first on the shipping documents? -
ANSWER-The proper shipping name
Who determines a product's hazard class and packing group? - ANSWER-Shipper
Why is it untrue that a total of two placards must appear on each side of the vehicle? -
ANSWER-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
If your vehicle is leaking a hazardous material what action should you avoid taking a
trying to stop the leak using available tools? - ANSWER-Any more than safety requires
, 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? - ANSWER-Flammable
liquids
When refueling a vehicle displaying hazardous materials placards where should a
person be positioned? - ANSWER-At the nozzle controlling the fuel flow
On the Hazardous Materials Table what column shows the hazard warning labels
shippers must put on packages of hazardous materials? - ANSWER-Column 6
What kind of pressure is applied when utilizing parking or emergency brakes? -
ANSWER-Spring pressure
If the term "prohibited" is noted or typed in the hazard class column of any entry within
the Hazardous Materials Table what is the appropriate course of action? - ANSWER-
The product must never be transported
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? -
ANSWER-300 ft
What is the classification for gasoline under the appropriate hazardous material class or
division? - ANSWER-Class 3 Flammable Liquids
When your vehicle is loaded with Class A explosive materials where is parking
permitted for the vehicle a any designated parking spot? - ANSWER-Parking is strictly
regulated for vehicles carrying Class A explosives
When the driver is not behind the wheel where should shipping and emergency
response papers be kept? - ANSWER-Driver's door pouch or on the driver's seat
What are the dimensions of a hazardous materials placard? - ANSWER-10.75 in x
10.75 in
True or False: it is correct to say that a written route plan is required when transporting
Division 1.1 explosives? - ANSWER-True
Identify the correct hazardous material class or division for white phosphorus -
ANSWER-Class 4 Flammable Solids
What does an "AW" on the Hazardous Materials Table mean? - ANSWER-The material
is only restricted when shipped by air and/or water
What does it signify if the word "forbidden" appears in the hazardous materials class
column of an entry in the Hazardous Materials Table? - ANSWER-The material is
prohibited for transportation under any circumstances
and Answers - 2026)
What information is conveyed by the transport index of a radioactive material? -
ANSWER-The degree of control needed during transportation
True or False: It's accurate to say that the driver must immediately clean up any leaking
hazardous material they come across? - ANSWER-False
What information is provided for each item description on a shipping paper? -
ANSWER-The material's hazard class
True or False: It's accurate to say that you should not stack nitric acid in heights
exceeding 2 feet during loading? - ANSWER-True
What is the minimum distance you are allowed to park a vehicle carrying hazardous
materials from an open fire? - ANSWER-300 ft
While inspecting a vehicle carrying hazardous cargo where should the shipping papers
be placed to ensure visibility? - ANSWER-On the dashboard visible through the
windshield
What must be included in the written instructions for a driver to transfer Class A and B
explosives? - ANSWER-The emergency response procedures and contact information
What is the classification for battery acid under the appropriate hazardous material
class or division? - ANSWER-Class 8 Corrosive Materials
Which of these is the primary entry to be recorded first on the shipping documents? -
ANSWER-The proper shipping name
Who determines a product's hazard class and packing group? - ANSWER-Shipper
Why is it untrue that a total of two placards must appear on each side of the vehicle? -
ANSWER-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
If your vehicle is leaking a hazardous material what action should you avoid taking a
trying to stop the leak using available tools? - ANSWER-Any more than safety requires
, 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? - ANSWER-Flammable
liquids
When refueling a vehicle displaying hazardous materials placards where should a
person be positioned? - ANSWER-At the nozzle controlling the fuel flow
On the Hazardous Materials Table what column shows the hazard warning labels
shippers must put on packages of hazardous materials? - ANSWER-Column 6
What kind of pressure is applied when utilizing parking or emergency brakes? -
ANSWER-Spring pressure
If the term "prohibited" is noted or typed in the hazard class column of any entry within
the Hazardous Materials Table what is the appropriate course of action? - ANSWER-
The product must never be transported
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? -
ANSWER-300 ft
What is the classification for gasoline under the appropriate hazardous material class or
division? - ANSWER-Class 3 Flammable Liquids
When your vehicle is loaded with Class A explosive materials where is parking
permitted for the vehicle a any designated parking spot? - ANSWER-Parking is strictly
regulated for vehicles carrying Class A explosives
When the driver is not behind the wheel where should shipping and emergency
response papers be kept? - ANSWER-Driver's door pouch or on the driver's seat
What are the dimensions of a hazardous materials placard? - ANSWER-10.75 in x
10.75 in
True or False: it is correct to say that a written route plan is required when transporting
Division 1.1 explosives? - ANSWER-True
Identify the correct hazardous material class or division for white phosphorus -
ANSWER-Class 4 Flammable Solids
What does an "AW" on the Hazardous Materials Table mean? - ANSWER-The material
is only restricted when shipped by air and/or water
What does it signify if the word "forbidden" appears in the hazardous materials class
column of an entry in the Hazardous Materials Table? - ANSWER-The material is
prohibited for transportation under any circumstances
