Commercial Driving Hazardous Materials

Question 1

Who is responsible for providing the correct placards to the driver when shipping hazardous materials?

Accepted Answer

The shipper

Answer

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?

Accepted Answer

In a pouch on the driver's door or within reach in the cab

Answer

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?

Accepted Answer

To warn others about the class of hazardous material being transported

Answer

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?

Accepted Answer

Class 1

Answer

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?

Accepted Answer

Reportable Quantity

Answer

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.

Commercial Driving Practice Test

Commercial Driving Practice Test

Commercial Driving Hazardous Materials