CDL Hazardous Materials Quiz

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Questions and Answers

What do shippers package in order to contain hazardous materials?

The material

Why do drivers placard their vehicles?

To communicate the risk

What three things do you need to know to decide which placards you need?

Material's hazard class, amount being shipped, and amount of all hazardous materials on your vehicle

Where must the hazardous materials identification number appear?

On the shipping paper and package, and on cargo tanks and other bulk packaging Signup and view all the answers

Where must you keep shipping papers describing hazardous materials?

In a pouch on the driver's door or in clear view within immediate reach Signup and view all the answers

Around which hazard classes must you never smoke?

Class 1 (Explosives), Class 2.1 (Flammable Gas), Class 3 (Flammable Liquids), Class 4 (Flammable Solids), Class 5 (Oxidizers) Signup and view all the answers

Which three hazard classes should not be loaded into a trailer with a heater/air conditioner unit?

Class 1 (Explosives), Class 2.1 (Flammable Gas), Class 3 (Flammable Liquids) Signup and view all the answers

Should the floor liner required for Division 1.1 or 1.2 materials be stainless steel?

False Signup and view all the answers

What precautions must be taken when loading 100 cartons of battery acid with 100 pounds of dry cyanide on board?

You cannot load cyanides or cyanide mixtures with any type of acid. Signup and view all the answers

Name a hazard class that uses transport indexes to determine the amount that can be loaded in a vehicle.

Radioactive materials Signup and view all the answers

What are cargo tanks?

Bulk packaging intended for the carriage of liquids or gases that can be permanently attached to or part of a vehicle. Signup and view all the answers

How is a portable tank different from a cargo tank?

Cargo tanks are permanently attached to the vehicle while portable tanks are not. Signup and view all the answers

Should you turn off the engine before or after unhooking hoses after delivering compressed gas?

Turn off the engine after product transfer, before unhooking the hose Signup and view all the answers

If your placarded trailer has dual tires, how often should you check the tires?

At the start of each trip, every 2 hours or 100 miles, whichever is less. Signup and view all the answers

What is a safe haven?

An approved place for parking unattended vehicles loaded with explosives. Signup and view all the answers

How close to the traveled part of the roadway can you park with Division 1.2 or 1.3 materials?

Never within five feet of the traveled part of the road. Signup and view all the answers

How close can you park to a bridge, tunnel, or building with the same load?

Do not park within 300 feet, except for short periods of operation necessities. Signup and view all the answers

What type of fire extinguishers must placarded vehicles carry?

A fire extinguisher with a U.L. rating of 10 B:C or more. Signup and view all the answers

Study Notes

Hazardous Materials Packaging and Communication

Shippers must package hazardous materials to contain them effectively.
Drivers must placard their vehicles to indicate the risks associated with the materials being transported.

Placard Considerations

Three key factors for determining the need for placards:
- The hazard class of the material.
- The total amount of the material being shipped.
- The cumulative amount of all hazardous materials aboard the vehicle.

Hazardous Materials Identification

The hazardous materials identification number must be displayed:
- On shipping papers as part of the shipping description.
- On the respective packages.
- On cargo tanks and other bulk packaging.

Shipping Papers Management

Shipping papers must be kept:
- In a pouch on the driver's door.
- In clear view and within reach while driving.
- On the driver's seat when the vehicle is unoccupied.

Smoking Regulations Around Hazard Classes

Smoking is prohibited around the following hazard classes:
- Class 1 (Explosives)
- Class 2.1 (Flammable Gas)
- Class 3 (Flammable Liquids)
- Class 4 (Flammable Solids)
- Class 5 (Oxidizers)

Hazard Class Loading Restrictions

Classes prohibited from being loaded in a trailer with heater/air conditioning:
- Class 1 (Explosives)
- Class 2.1 (Flammable Gas)
- Class 3 (Flammable Liquids)

Floor Liner Regulations

For Division 1.1 or 1.2 materials, a stainless steel floor liner is not required; the floors must be tight with a non-metallic or non-ferrous liner.

Precautions with Battery Acid and Cyanide

Cyanide must not be loaded with any acids or corrosive materials to prevent the release of hydrocyanic acid.

Transport Index for Radioactive Materials

Transport index is critical for radioactive materials; the total transport index in a single vehicle must not exceed 50.

Cargo Tanks Definition

Cargo tanks are bulk packaging tanks primarily for liquids or gases, permanently attached to or part of a vehicle, not fabricated under cylinder specifications.

Portable Tanks Clarification

Portable tanks differ from cargo tanks by not being permanently attached to the vehicle.

Engine Operation During Compressed Gas Delivery

The engine should be turned off after product transfer and before unhooking delivery hoses.

Tire Maintenance for Placarded Vehicles

Check dual tires at the start of each trip and stop to check every 2 hours or 100 miles, using a tire pressure gauge for accuracy.

Safe Haven Definition

A safe haven is an approved area for parking vehicles loaded with explosives, designated by local authorities.

Parking Regulations for Hazardous Materials

Maintain a distance of at least five feet from the traveled roadway when parking vehicles with Division 1.1, 1.2, or 1.3 explosives.

Distances from Structures

Avoid parking within 300 feet of bridges, tunnels, buildings, or areas where people congregate.

Fire Extinguisher Requirements

Placarded vehicles must have a fire extinguisher rated at a minimum of 10 B:C for the power unit.

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Description

Test your knowledge on hazardous materials as outlined in CDL training. This quiz covers key concepts such as packaging, placarding, and hazard communication for transporting hazardous materials. Perfect for drivers and shippers to ensure compliance and safety.