HazMat HazMat Loading, Unloading, and Segregation 2 — Questions and Answers
Question 1: What must you do before loading or unloading flammable liquids?
- Park on a level surface only
- Turn off the engine, set the parking brake, and ground the vehicle (Correct answer)
- Open all cargo doors fully
- Notify the fire department
Correct answer: Turn off the engine, set the parking brake, and ground the vehicle
Before loading or unloading flammable liquids, turn off the engine, set the parking brake, and ensure the vehicle is properly grounded to prevent static ignition.
Question 2: When may you uncouple a trailer that contains HazMat?
- Anywhere as long as the brakes are set
- Only in locations approved for HazMat parking (Correct answer)
- Only at the delivery destination
- Any rest area or truck stop
Correct answer: Only in locations approved for HazMat parking
Trailers containing hazardous materials may only be left unattended at locations approved or authorized for HazMat parking, not just anywhere.
Question 3: Which of the following is true about loading foodstuffs with hazardous materials?
- It is allowed if packaging is sealed
- Certain hazardous materials are forbidden to be loaded with foodstuffs (Correct answer)
- Foodstuffs may be loaded with any HazMat as long as they are wrapped
- There are no restrictions on loading foodstuffs with HazMat
Correct answer: Certain hazardous materials are forbidden to be loaded with foodstuffs
Federal regulations prohibit loading certain hazardous materials — particularly poisons and corrosives — with human food or animal feed.
Question 4: What is a 'hazardous materials manifest' or 'bill of lading' required to include?
- Only the shipper's name
- Proper shipping name, hazard class, ID number, packing group, and quantity (Correct answer)
- Only the UN number
- Driver's license number and cargo weight
Correct answer: Proper shipping name, hazard class, ID number, packing group, and quantity
HazMat shipping papers must include the proper shipping name, hazard class or division, ID number, packing group (if applicable), and total quantity.
Question 5: When is it acceptable to transfer HazMat from one vehicle to another on a public road?
- Whenever it is more convenient
- Only in an emergency when directed by emergency personnel (Correct answer)
- Whenever the driver deems it necessary
- Only during daylight hours
Correct answer: Only in an emergency when directed by emergency personnel
Transferring hazardous materials between vehicles on a public road is only permitted in emergencies and must be supervised by proper authorities.
Question 6: What must you do if you discover damaged HazMat packages after you have already loaded them?
- Continue to destination and report upon arrival
- Stop safely, keep people away, and contact the shipper and emergency services if needed (Correct answer)
- Transfer the cargo to plastic bags
- Reduce speed and ventilate the trailer
Correct answer: Stop safely, keep people away, and contact the shipper and emergency services if needed
If damaged HazMat packages are discovered after loading, stop safely, prevent others from approaching, and notify the shipper and emergency services as appropriate.
HazMat HazMat Loading, Unloading, and Segregation 2
What must you do before loading or unloading flammable liquids?