Commercial Driver License (Class A) Hazmat Endorsement
Test 2026 | Most Tested Questions & Verified Answers |
Latest Update | Graded A+
1. Minimum rated fire extinguisher that must be carried on a vehicle transporting
hazmat is
10 A:B:C
20 B:C
5 B:C
10 B:C
2. If a commercial driver encounters a hazardous material spill during transport,
what steps should they take in relation to the National Response Center?
Continue driving to the nearest gas station.
Try to clean up the spill without reporting it.
Ignore the spill if it is small.
Contact the National Response Center to report the incident.
3. Describe the importance of having a safe haven in the transportation of
hazardous materials.
A safe haven is used to store non-hazardous materials temporarily.
A safe haven is crucial as it provides a secure location to mitigate
risks associated with hazardous materials during transport.
A safe haven is important for ensuring that drivers can take breaks
during long hauls.
A safe haven is necessary for the maintenance of vehicles transporting
hazardous materials.
,4. Interpret the implications of a material being labeled as FORBIDDEN in the
hazardous materials table for a common carrier's operations.
It implies that the material is allowed for transport but requires a
special permit.
It means that the common carrier is prohibited from transporting
that material under any circumstances.
It suggests that the material can be transported if properly placarded.
It indicates that the material can be transported with additional safety
measures.
5. Which one of the following shipping paper descriptions for hazardous
material is in correct order?
Hydrogen bromide, non-flammable gas, UN 1048
Corrosive material, hydrochloric acid, UN 1789
Hexane, UN 1208, flammable liquid
UN 1787, corrosive material, hydrochloric acid
6. If a driver transporting Class 1.1 explosives encounters an accident that spills
the cargo, what immediate action should they take based on the emergency
response information provided?
Contact the nearest police station for assistance.
Follow the emergency response procedures outlined in the
documentation.
Attempt to clean up the spill themselves.
Continue driving to the nearest facility.
,7. Some packages of ______ bear a "transport index" which tells the degree of
control needed during transportation.
Explosives
Flammable liquids
Radioactive materials
Corrosive liquids
8. When transporting Division 1.1 , 1.2 or 1.3 explosives you must
Have a written route plan and follow that route plan
Only travel on roads designated as state highways .
Not pick up a shipment at any location other than your employer's
terminal
9. If there is a collision involving a vehicle transporting Class 1 explosives, the
driver should:
Remove the explosives from the vehicle before separating the
vehicles involved in the collision.
Keep the explosives inside the vehicle until after separating the
vehicles involved in the collision.
Not warn others of the danger.
Allow smoking near the vehicle.
10. When carrying class 1.1, 1.2, or 1.3 explosives, you must
Have a written route plan.
Not leave your vehicle unattended for more than 2 hours.
Have an armed escort.
, Park within 5 feet of the traveled part of the road
11. The National Response Center (NRC) is operated by:
DOE
USCG
SARA III
OSHA
12. Describe the importance of having a written route plan when transporting
hazardous materials like class 1.1 or 1.2 explosives.
A written route plan is used to document the weight of the cargo.
A written route plan ensures that drivers follow a safe and
approved path, minimizing risks during transportation.
A written route plan is only necessary for non-hazardous materials.
A written route plan is optional if the driver knows the area well.
13. If a driver fails to stop at least 15 feet from the nearest rail while transporting
hazardous materials and an accident occurs, what could be the potential
consequences?
Legal penalties and increased risk of hazardous material exposure.
Increased insurance coverage for the driver.
No consequences if the materials are properly secured.
A warning from law enforcement without further action.
14. Your vehicle contains explosives, oxidizers, or flammables. No one may
smoke within ___ feet of the vehicle.
Test 2026 | Most Tested Questions & Verified Answers |
Latest Update | Graded A+
1. Minimum rated fire extinguisher that must be carried on a vehicle transporting
hazmat is
10 A:B:C
20 B:C
5 B:C
10 B:C
2. If a commercial driver encounters a hazardous material spill during transport,
what steps should they take in relation to the National Response Center?
Continue driving to the nearest gas station.
Try to clean up the spill without reporting it.
Ignore the spill if it is small.
Contact the National Response Center to report the incident.
3. Describe the importance of having a safe haven in the transportation of
hazardous materials.
A safe haven is used to store non-hazardous materials temporarily.
A safe haven is crucial as it provides a secure location to mitigate
risks associated with hazardous materials during transport.
A safe haven is important for ensuring that drivers can take breaks
during long hauls.
A safe haven is necessary for the maintenance of vehicles transporting
hazardous materials.
,4. Interpret the implications of a material being labeled as FORBIDDEN in the
hazardous materials table for a common carrier's operations.
It implies that the material is allowed for transport but requires a
special permit.
It means that the common carrier is prohibited from transporting
that material under any circumstances.
It suggests that the material can be transported if properly placarded.
It indicates that the material can be transported with additional safety
measures.
5. Which one of the following shipping paper descriptions for hazardous
material is in correct order?
Hydrogen bromide, non-flammable gas, UN 1048
Corrosive material, hydrochloric acid, UN 1789
Hexane, UN 1208, flammable liquid
UN 1787, corrosive material, hydrochloric acid
6. If a driver transporting Class 1.1 explosives encounters an accident that spills
the cargo, what immediate action should they take based on the emergency
response information provided?
Contact the nearest police station for assistance.
Follow the emergency response procedures outlined in the
documentation.
Attempt to clean up the spill themselves.
Continue driving to the nearest facility.
,7. Some packages of ______ bear a "transport index" which tells the degree of
control needed during transportation.
Explosives
Flammable liquids
Radioactive materials
Corrosive liquids
8. When transporting Division 1.1 , 1.2 or 1.3 explosives you must
Have a written route plan and follow that route plan
Only travel on roads designated as state highways .
Not pick up a shipment at any location other than your employer's
terminal
9. If there is a collision involving a vehicle transporting Class 1 explosives, the
driver should:
Remove the explosives from the vehicle before separating the
vehicles involved in the collision.
Keep the explosives inside the vehicle until after separating the
vehicles involved in the collision.
Not warn others of the danger.
Allow smoking near the vehicle.
10. When carrying class 1.1, 1.2, or 1.3 explosives, you must
Have a written route plan.
Not leave your vehicle unattended for more than 2 hours.
Have an armed escort.
, Park within 5 feet of the traveled part of the road
11. The National Response Center (NRC) is operated by:
DOE
USCG
SARA III
OSHA
12. Describe the importance of having a written route plan when transporting
hazardous materials like class 1.1 or 1.2 explosives.
A written route plan is used to document the weight of the cargo.
A written route plan ensures that drivers follow a safe and
approved path, minimizing risks during transportation.
A written route plan is only necessary for non-hazardous materials.
A written route plan is optional if the driver knows the area well.
13. If a driver fails to stop at least 15 feet from the nearest rail while transporting
hazardous materials and an accident occurs, what could be the potential
consequences?
Legal penalties and increased risk of hazardous material exposure.
Increased insurance coverage for the driver.
No consequences if the materials are properly secured.
A warning from law enforcement without further action.
14. Your vehicle contains explosives, oxidizers, or flammables. No one may
smoke within ___ feet of the vehicle.
