District of columbia Driver's Examination

HazMat #1

FREE Online Hazmat Test | DMV District Of Columbia 2024

On our website, we provide FREE practice - CDL hazmat test online! The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a DC CDL hazmat endorsement in 2021, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that District Of Columbia requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.

Number of Question 30

Passing Score 24

Number of Tests 20

1 . Column 2 of the Hazardous Materials Table contains:

The names of the materials.

Where the materials originated.

Special provisions for the materials.

The costs of the materials.

Column 2 of the Hazardous Materials Table lists the proper shipping names and descriptions of regulated materials.

2 . How must a shipper notify a driver of the risks associated with their cargo?

By speaking with the driver

By writing a note on a blank piece of paper

By putting hazard warning labels on packages

By placing orange dots on packages

Shippers of hazardous cargo must alert drivers and others to relevant hazards through proper shipping papers, hazard warning labels on packages, emergency response information, and placards.

3 . A driver needs a CDL with a hazardous materials endorsement to transport hazardous materials in:

A vehicle requiring a Class A license.

A vehicle requiring a Class B license.

A vehicle requiring a Class C license.

Any sized vehicle.

You must have a CDL with a hazardous materials endorsement to operate a vehicle of any size to transport hazardous materials.

4 . What should be done if the third column of the Hazardous Materials Table contains the word “Forbidden?”

The indicated substance should not be transported.

The indicated substance should be transported by air.

The indicated substance should only be transported at night.

The indicated substance should be accompanied by a security guard.

The third column of the Hazardous Materials Table lists items' hazard classes and divisions. Drivers should never transport a material that is marked by the word "Forbidden."

5 . A material’s hazard class reflects:

The risks associated with the material.

The amount of packaging required to make the shipment.

The location on the trailer where items may be placed.

How the material should be loaded and unloaded.

There are nine different hazard classes. A material's hazard class reflects its associated risks.

6 . Emergency response information provided by the shipper must include:

Any risks of fire or explosion.

Value of the materials.

Driver information.

How many people should respond in the event of an accident.

At a minimum, emergency response information must include the basic descriptions and technical names of the materials being transported; immediate hazards to health; risks of fire or explosion; immediate precautions to be taken in the event of an accident or incident; immediate methods for handling fires; initial methods for handling spills or leaks in the absence of fires; and preliminary first aid measures.

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2024 District Of Columbia | Frequently Asked Questions

To secure a CDL Doubles/Triples endorsement in the District of Columbia, you must first have a valid commercial driver's license (CDL). Then, you must pass the Doubles/Triples Knowledge Test. Once you pass this test, the endorsement will be added to your CDL. Please note that specific training may be required depending on your employer.

To obtain a CDL Doubles/Triples license in the District of Columbia, you need a valid CDL. You must then pass the Doubles/Triples Knowledge Test. Some employers may require specific training. It's also important to have a good driving record, as serious traffic violations could disqualify you from obtaining this endorsement.

While the District of Columbia doesn't specifically require specialized training for a CDL Doubles/Triples endorsement, you must pass the Doubles/Triples Knowledge Test. However, many employers prefer drivers with specific training or experience driving these types of vehicles. It's recommended to seek out training programs to increase your knowledge and skills.

Yes, to obtain a CDL Doubles/Triples endorsement in the District of Columbia, you must pass the Doubles/Triples Knowledge Test at the Department of Motor Vehicles (DMV). This test evaluates your understanding of the special skills and knowledge needed to safely operate these types of vehicles.

The CDL Doubles/Triples endorsement test primarily focuses on knowledge rather than specific maneuvers. You'll need to understand safety procedures, coupling and uncoupling, inspecting doubles and triples, and checking air brake systems. However, actual driving skills for these vehicles are typically evaluated by employers during training or probation periods rather than during the endorsement test.

No, it is not permissible to operate double or triple trailers without a valid CDL Doubles/Triples endorsement in the District of Columbia. Driving these types of vehicles requires specific knowledge and skills, which are validated through the endorsement. Operating without the appropriate endorsement can result in fines, license suspension, or even legal action.

You can add the CDL Doubles/Triples endorsement to your existing CDL. You don't need to initiate a new application for a CDL. However, you must pass the Doubles/Triples knowledge test. After passing the test, the endorsement can be added to your current CDL. Always check with your local DMV for specific procedures and requirements.

Yes, there are certain limitations for drivers holding a CDL Doubles/Triples endorsement. They must only drive the specific types of vehicles for which they're endorsed. They're also required to adhere to safety regulations regarding weight, length, and cargo securement. Additionally, these drivers must comply with all federal and state regulations, including hours of service rules.

In the District of Columbia, a double trailer cannot exceed 61 feet in length and a triple trailer cannot exceed 75 feet. The maximum weight per axle is 20,000 pounds, and the total gross weight, including all trailers and the power unit, cannot exceed 80,000 pounds. Violating these limits can result in fines or penalties.

Yes, there are specific safety guidelines. Drivers must ensure their trailers are correctly coupled and the weight is properly distributed. They should make wider turns, maintain a safe following distance, and check all mirrors frequently. Additionally, drivers must follow all federal and state regulations related to hours of service, vehicle inspections, and hazardous materials if applicable.