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.
See the exact questions that will be on the 2025 District Of Columbia DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2025 District Of Columbia | Frequently Asked Questions
In the District of Columbia, you can acquire a CDL Tank endorsement by first holding a valid CDL. You need to pass the Tank Vehicle written test, which covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. After passing the test, you pay the required fee to add the endorsement to your CDL.
To obtain a CDL Tank license in the District of Columbia, you must first have a valid Commercial Driver's License (CDL). Then, you must take and pass the Tank Vehicle written test, which covers topics such as inspecting and driving tank vehicles, and safe driving rules. After passing, pay the necessary fee to add the endorsement to your CDL.
While the District of Columbia doesn't explicitly require specific training or experience for a CDL Tank endorsement, it's highly recommended. Understanding how to safely operate tank vehicles is crucial. Passing the Tank Vehicle Endorsement Knowledge Test requires knowledge of tank vehicle operations, so training or experience can be beneficial in passing the test.
Yes, for a CDL Tank endorsement in the District of Columbia, you must pass the Tank Vehicle written test. This exam covers important topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. Passing this test is crucial to demonstrate your knowledge and understanding of operating tank vehicles safely.
The written test for the CDL Tank endorsement in the District of Columbia covers a variety of subjects. These include inspecting tank vehicles, driving tank vehicles, and understanding the unique handling characteristics of tank vehicles. It also tests knowledge on safe driving rules and regulations specific to tank vehicles.
During the CDL Tank endorsement assessment, several skills and maneuvers are assessed. These include inspecting the tank vehicle for safety, demonstrating proper loading and unloading procedures, controlling the vehicle's speed and position, performing backing maneuvers, and executing turns and lane changes safely. Additionally, candidates are evaluated on their ability to handle emergency situations and demonstrate knowledge of hazardous materials regulations.
Drivers with a CDL Tank endorsement in the District of Columbia must comply with specific federal and state regulations. These include restrictions on maximum driving hours to prevent fatigue, mandatory rest periods, and stringent vehicle inspection requirements. Additionally, they must follow rules related to the transportation of hazardous materials if their tank vehicle is used for such purposes.
No, a valid CDL Tank endorsement is required to legally transport liquid or gas materials in the District of Columbia. This endorsement is necessary due to the unique handling and safety requirements associated with transporting such materials. Violating this requirement can result in significant penalties, including fines and suspension of driving privileges.
You can add the CDL Tank endorsement to your existing Commercial Driver's License (CDL) without needing a fresh application. However, you will need to pass a written knowledge test specific to tank vehicles and pay the necessary endorsement fee. Remember, additional endorsements may require further testing.
Yes, to handle hazardous materials with a CDL Tank endorsement, you must also obtain a Hazardous Materials (HazMat) endorsement. This requires passing an additional written test and undergoing a federal background check. Also, adherence to specific regulations regarding the transportation and handling of such materials is mandatory.
