Combination #2

FREE CDL Combination Vehicles Practice Test Online | District Of Columbia 2024

Train for FREE online with our District Of Columbia CDL combination vehicle 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 combination license in 2021, practice as much as..

Train for FREE online with our District Of Columbia CDL combination vehicle 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 combination license 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 DMV requirements for issuing a combination license may vary from state to state.

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1 . When lightly loaded, combination vehicles:

Should be loaded with most of the weight in the rear of the trailer. When a combination vehicle is lightly loaded, it may have poor traction. It is very easy for wheels to lock up on lightly-loaded vehicles when they are being stopped.

2 . Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:

Swerve more often. Combination vehicles need more space on the road than other commercial vehicles because they are longer and need more space to turn and stop. It is especially important to properly manage space when you are operating a combination vehicle.

3 . To prevent a rollover, a driver should:

Turn quickly. Rollovers can happen when a combination vehicle is turned too quickly. To help prevent the risk of rollover, it is important to keep the vehicle's center of gravity low by loading cargo as close to the ground as possible.

4 . When driving a trailer with ABS, you should:

Try to not brakes as often as you would when driving a vehicle without ABS. When driving a tractor-trailer combination equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if operating a vehicle without ABS.

5 . If colors are being used to distinguish glad hands, which color is used for service lines?

Blue When trailer air lines are color-coded, the service lines are generally blue and the emergency lines are generally red.

6 . To help prevent rollovers, you should:

Keep the load on one side of the trailer. To lower the risk of a rollover, load your cargo as closely to the ground as possible. To further reduce this risk, take curves and corners slowly.

7 . If a trailer's spring brakes do not release when you push the tractor air supply control, you should:

Drive normally without checking anything. It is important that all of your vehicle's equipment is in proper working condition before you begin a trip. If a trailer's spring brakes do not release when you push in the tractor air supply control, you should make sure the air line connections are properly attached and sealed.

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2024 District Of Columbia | Frequently Asked Questions

To secure a CDL Bus endorsement in the District of Columbia, you must first have a valid Commercial Driver's License (CDL). Then, you'll need to pass the Passenger Vehicles endorsement test. This includes a written knowledge test and a skills test in a vehicle similar to the one you'll be driving. You may also need to complete additional training.
To obtain a CDL Bus license in the District of Columbia, you must first have a valid driver's license. You'll then need to pass a general knowledge test, a passenger transport test, and a skills test which includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. You must also provide medical certification and pass a background check.
Yes, specific training is necessary for a CDL Bus endorsement in the District of Columbia. This training typically covers topics like safe driving practices, emergency procedures, passenger management, and specific skills related to driving a bus. Additionally, you'll need to pass both a written test and a skills test demonstrating your knowledge and abilities.
CDL Bus licenses fall under Class A, B, or C depending on the vehicle's size and capacity. Class A is for combination vehicles over 26,001 pounds, Class B is for single vehicles over 26,001 pounds, and Class C is for vehicles designed to transport 16 or more passengers. Each class requires a different skills test.
No, you cannot use your personal vehicle for the CDL Bus driving test in the District of Columbia. The vehicle you use must match the class of CDL you are applying for. Therefore, you need to use a commercial bus for your test if you're seeking a bus endorsement. This ensures that you can handle the specific type of vehicle safely.
During the CDL Bus driving test in the District of Columbia, your ability to safely operate the vehicle is evaluated. This includes skills like pre-trip vehicle inspection, backing up, parallel parking, docking in an alley, making right and left turns, merging into traffic, maintaining appropriate speeds, and following safety procedures for loading and unloading passengers.
Yes, additional medical prerequisites are essential for a CDL Bus endorsement in the District of Columbia. Applicants must pass a Department of Transportation (DOT) physical examination by a certified medical examiner. This exam ensures you're physically capable of operating a commercial vehicle safely, checking aspects like vision, hearing, and overall physical health.
No, it's not permissible to transport passengers without a valid CDL Bus endorsement in the District of Columbia. The law requires anyone driving a commercial vehicle designed to carry 16 or more passengers, including the driver, to have a commercial driver's license with a passenger (P) endorsement. Driving without the correct endorsement could result in fines and penalties.
Yes, a CDL Bus endorsement can be added to your existing CDL in the District of Columbia. This requires passing a knowledge test and a skills test in a vehicle representative of the class of bus you wish to drive. Once you pass these tests, the endorsement can be added to your current license without needing a new one.
Yes, there are restrictions for drivers with a CDL Bus endorsement in the District of Columbia. These may include limitations related to the number of passengers, vehicle size, and cargo type. Additionally, bus drivers must comply with hours-of-service regulations, maintain a clean driving record, and pass regular drug and alcohol screenings. Violations can lead to endorsement suspension or revocation.

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