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Hazardous Materials Free CDL Practice Tests
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Prepare For The Hazardous Materials Portion Of Your CDL Written Exams

Hazardous Materials Questions

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The purpose of the hazmat rules is to contain the hazardous product, and:
  • Generate revenue for the government
  • Communicate the risk of the cargo
  • Discourage you from carrying it
  • Make drivers slow down
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From The CDL Manual

9.1 – The Intent of the Regulations

9.1.1 – Contain the Material

Transporting hazardous materials can be risky. The regulations are intended to protect you, those around you and the environment. They tell shippers how to package the materials safely and drivers how to load, transport and unload the material. These are called "containment rules."

9.1.2 – Communicate the Risk

To communicate the risk, shippers must warn drivers and others about the material's hazards. The regulations require shippers to put hazard warning labels on packages, provide proper shipping papers, emergency response information and placards. These steps communicate the hazard to the shipper, the carrier and the driver.

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Class 7 hazmat material is:
  • Corrosives
  • Radioactive
  • Poison
  • Flammable gases
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From The CDL Manual

Class #7:

Name: Radioactive

Example: Uranium

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An example of a flammable gas is:
  • Gasoline
  • Propane
  • Flourine
  • Helium
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From The CDL Manual

Division #2.1:

Name: Flammable Gases

Example: Propane

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To accurately describe the type of hazardous materials being carried, and their risk, shippers will provide:
  • Manifests
  • Shipping papers
  • A post-it note
  • Bills of lading
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From The CDL Manual

A shipping paper describes the hazardous materials being transported. Shipping orders, bills of lading and manifests are all shipping papers.

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Hazmat shipping papers must be kept in one of these places except:
  • In a pouch on the driver’s door
  • In clear view within reach while driving
  • On the driver’s seat when out of the vehicle
  • In the glove compartment
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From The CDL Manual

Drivers to keep hazardous materials shipping papers:

  • In a pouch on the driver’s door, or
  • In clear view within reach while driving, or
  • On the driver’s seat when out of the vehicle.
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A placarded vehicle must have at least how many identical placards?
  • 3
  • 4
  • 6
  • 2
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From The CDL Manual

A placarded vehicle must have at least four identical placards.

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All of the following apply to hazmat placards except:
  • A placarded vehicle must have at least four identical placards.
  • Hazmat placards are round in shape
  • Placards are signs put on the outside of a vehicle that identify the hazard class of the cargo.
  • Placards are used to warn others of hazardous materials.
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From The CDL Manual

Placards —

Placards are used to warn others of hazardous materials. Placards are signs put on the outside of a vehicle that identify the hazard class of the cargo. A placarded vehicle must have at least four identical placards. They are put on the front, rear and both sides (see Figure 9-3 on page 89). Placards must be readable from all four directions. They are 10 3/4-inches square, turned upright on a point, in a diamond shape. Cargo tanks and other bulk packaging display the ID number of their contents on placards or orange panels.

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The term 'hazmat' is short for:
  • Hazard matching
  • Hazardous materials
  • Hazard matrix
  • Hazardous matters
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From The CDL Manual

Hazardous materials are products that pose a risk to health, safety and property during transportation. The term often is shortened to HAZMAT, which you may see on road signs, or HM in government regulations.

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What shape are hazmat placards?
  • Square
  • Round
  • Triangle
  • Diamond
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From The CDL Manual

Placards must be readable from all four directions. They are at least 10 3/4 inches square, square-on-point, in a diamond shape.

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Who is required to provide hazmat training and testing to drivers involved in transporting hazmat?
  • Your employer
  • The shipper
  • Local DMV
  • The DOT
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From The CDL Manual

The regulations require training and testing for all drivers involved in transporting hazardous materials. Your employer or a designated representative is required to provide this training and testing. Hazardous materials employers are required to keep a record of that training on each employee as long as they are working with hazardous materials, and for 90 days thereafter.

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