Knowledge Test Class A #2
Class A Driving Test | District Of Columbia 2025 #2 Page 2 of 7
Train for FREE online with our District Of Columbia class A license test. 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 class A permit in 2025, 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 CDL class A requirements may vary from state to state.
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8 . Sometimes, when checking the automatic transmission fluid level:
Your vehicle may have to be left running.
In some vehicles, you may have to leave the engine running to check the automatic transmission fluid level.
9 . Test the low pressure warning signal:
Before every trip.
It is essential that your low pressure warning light function properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.
10 . The air storage tanks:
Hold enough air for more than 1,000 braking cycles.
In an air brake system, the air storage tanks hold enough air for brakes to be used several times if the compressor stops working.
11 . When using the controlled braking method in an emergency situation, you should:
Apply the brakes with minimal pressure.
The controlled braking method for emergency stops involves applying the brakes as hard as you can without locking the wheels. Keep steering wheel movements small when braking in this way.
12 . Laws about securing loads and regulating CMV weights may vary from state to state. During interstate travel:
The driver can choose which state’s laws to follow.
Commercial vehicle weight, securement of cargo, covering of loads, and where large vehicles can be driven are all regulated by federal, state, and local laws. These vary from place to place, so you must be aware of the rules that apply where you will be driving. State laws in the state in which you are driving take precedence.
13 . If something is found to be unsafe during a pre-trip inspection, you should:
Not use the items found to be unsafe, but may continue driving normally.
If a pre-trip inspection reveals anything unsafe about your vehicle, you must get it repaired. It is illegal to operate an unsafe vehicle.
14 . If a CMV driver operates a CMV with a detectable blood alcohol concentration (BAC) that is lower than 0.04 percent, they will be:
Told to drive home.
If you are found to be operating a CMV with any detectable amount of alcohol in your system, but you are still below the legal limit of 0.04 percent, you will be placed out-of-service for 24 hours. It is both illegal and dangerous to operate a motor vehicle while under the influence of alcohol.
2025 District Of Columbia | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in the District of Columbia, you must first hold a valid CDL. Then, pass the Hazardous Materials Knowledge Test at a DMV service location. You'll also need to undergo a federal TSA background check and fingerprinting. Lastly, submit the Hazmat Endorsement Application, proof of U.S. citizenship or legal status, and pay the required fees.
To obtain a CDL Hazmat license, you must already hold a valid Commercial Driver's License (CDL). You also need to pass the Hazardous Materials Knowledge Test, undergo a federal TSA background check, and be fingerprinted. Proof of U.S. citizenship or legal status is required. Lastly, you need to be in good physical health to meet the demands of the job.
When applying for a CDL Hazmat endorsement, you'll need to provide your valid Commercial Driver's License (CDL), proof of U.S. citizenship or legal residency (like a passport or birth certificate), and proof of identity. You'll also need to bring the receipt for your TSA background check and fingerprinting, and complete the Hazmat Endowment Application.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test focuses on the rules and safety procedures for handling and transporting hazardous materials. It's essential to study the Hazmat section of your state's CDL manual thoroughly before taking the test to ensure you're well-prepared.
The written test for the CDL Hazmat endorsement covers a range of topics related to hazardous materials. These include identifying hazardous materials, understanding shipping papers, using placards and labels, handling emergencies, loading and unloading procedures, and complying with the relevant safety rules and regulations.
Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement. These include fees for the TSA background check and fingerprinting, which typically cost around $86.50. Additionally, there may be a fee for the endorsement application, which varies by state. It's best to check with your local DMV for specific costs.
Yes, obtaining a CDL Hazmat endorsement requires a mandatory background check and fingerprinting conducted by the Transportation Security Administration (TSA). This ensures the individual doesn't pose a security threat and is part of the federal safety regulations for handling hazardous materials.
Yes, specialized training is mandatory for the CDL Hazmat endorsement. Applicants must pass a written test that covers the regulations and requirements for transporting hazardous materials. After passing the test, they receive a certification, which is the Hazmat endorsement on their Commercial Driver's License (CDL). This ensures they are knowledgeable about handling hazardous materials safely.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement. This endorsement ensures that you have the necessary knowledge and skills to handle hazardous materials safely. Driving without it can result in serious penalties, including fines and suspension of your commercial driver's license.
Yes, you can add a Hazmat endorsement to your existing CDL. You don't need to apply for a new CDL. However, you must pass a written Hazmat knowledge test, submit to a TSA background check, and pay the associated fees. Once these steps are completed successfully, the Hazmat endorsement will be added to your CDL.