Commercial Driving Hazardous Materials 1 — Questions and Answers
Question 1: Who is responsible for providing the correct placards to the driver when shipping hazardous materials?
- The driver
- The carrier
- The shipper (Correct answer)
- The FMCSA
Correct answer: The shipper
The shipper is responsible for providing the proper placards and ensuring hazardous materials are correctly classified, packaged, and labeled.
Question 2: Where must hazardous materials shipping papers be kept while the vehicle is moving?
- In the cargo area with the shipment
- In a pouch on the driver's door or within reach in the cab (Correct answer)
- At the dispatch office
- In the glove compartment only
Correct answer: In a pouch on the driver's door or within reach in the cab
Shipping papers must be within reach of the driver while driving, either in a door pouch or on the seat, so they are accessible during a stop or emergency.
Question 3: What is the primary purpose of diamond-shaped hazardous materials placards on a vehicle?
- To show the vehicle's weight class
- To advertise the carrier's name
- To warn others about the class of hazardous material being transported (Correct answer)
- To indicate the vehicle's destination
Correct answer: To warn others about the class of hazardous material being transported
Placards warn emergency responders, other drivers, and the public about the type of hazardous material being carried so appropriate precautions can be taken.
Question 4: Which hazard class covers explosives?
- Class 1 (Correct answer)
- Class 2
- Class 3
- Class 4
Correct answer: Class 1
Class 1 is designated for explosives, which are divided into six divisions based on the type and severity of the explosive hazard.
Question 5: What does the abbreviation 'RQ' mean on a hazardous materials shipping paper?
- Required Quantity
- Reportable Quantity (Correct answer)
- Restricted Quality
- Regulated Quota
Correct answer: Reportable Quantity
RQ stands for Reportable Quantity, meaning a spill or release of this material in the listed amount or greater must be reported to the National Response Center.
Question 6: A hazardous material described as 'forbidden' means:
- It requires a special CDL endorsement to transport
- It can only be transported during daylight hours
- It is so dangerous it cannot be transported by any method (Correct answer)
- It requires prior written approval from the carrier
Correct answer: It is so dangerous it cannot be transported by any method
Forbidden hazardous materials are those that present such extreme danger that no form of transportation is permitted under any circumstances.
Question 7: Which class of hazardous materials includes flammable liquids?
- Class 1
- Class 2
- Class 3 (Correct answer)
- Class 5
Correct answer: Class 3
Class 3 covers flammable liquids, which are liquids with a flash point of not more than 60°C (140°F), such as gasoline and diesel fuel.
Commercial Driving Hazardous Materials 1
Who is responsible for providing the correct placards to the driver when shipping hazardous materials?