FREE CDL Combination Vehicles Practice Test Online | South Carolina 2024

Train for FREE online with our South Carolina 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 SC combination license in 2021, practice as much as.. Read More

Train for FREE online with our South Carolina 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 SC 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 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.

2 . What is another name for the service line?

The parallel line The trailer service air line may also be referred to as the control line or signal line.

3 . An air supply control in its "emergency" position will:

Accelerate the vehicle. Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "emergency" position, the air supply will be stopped and the trailer emergency brakes will be applied.

4 . The trailer hand valve should not be used while you are driving because:

Never use the trailer hand valve while operating your vehicle. Using the trailer hand valve while driving can cause your trailer to skid.

5 . In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when:

Air pressure is above 45 psi. In vehicles equipped with an automatic tractor protection valve, the valve will pop out if air pressure drops to a level between 20 and 45 psi. When the valve pops out, the protection valve will close, stopping the flow of air.

6 . In a combination rig, it is best to make:

Slow, planned stops. When driving a combination vehicle, it is important to brake well in advance and look far ahead of your vehicle to avoid the need for sudden stops. Making habits of these actions will help you prevent your trailer from jackknifing.

7 . When testing ____, you should apply your vehicle's brakes with the hand control while moving the vehicle forward slowly.

To test the trailer service brakes, you should first ensure that the braking system has a normal air pressure level, then release the parking brake. You should then move the vehicle forward slowly and apply the brakes with the hand control. If the trailer service brakes are working properly, you will feel the brakes activate.

See the exact questions that will be on the 2024 DMV exam.

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2024 South Carolina | Frequently Asked Questions

A CDL Class A license in South Carolina allows drivers to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more, provided the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is over 10,000 lbs. This typically includes tractor-trailers and truck and trailer combinations.
A Class A CDL license in South Carolina allows you to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. It includes any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more where the towed vehicle(s) exceed 10,000 lbs GVWR.
To obtain a Class A CDL license in South Carolina, you must be at least 18 years old (21 for interstate driving), possess a valid South Carolina driver's license, pass a vision test, and successfully complete knowledge and skills tests. You must also provide proof of identity, Social Security number, South Carolina residency, and clear a medical examination.
In South Carolina, you must be at least 18 years old to qualify for a Class A CDL license for intrastate driving (within South Carolina only). However, if you plan to drive interstate (across state lines or transporting materials from out of state), you must be at least 21 years old.
Specific endorsements aren't required for a Class A CDL license but they can provide additional driving privileges. Endorsements include: H (Hazardous Materials), N (Tank Vehicles), P (Passenger Vehicles), S (School Bus), T (Double/Triple Trailers). To get an endorsement, you must pass additional written and skills tests related to the specific type of vehicle.
The Class A CDL skills test in South Carolina encompasses three main sections: pre-trip inspection, basic controls, and on-road driving. The pre-trip inspection tests your knowledge on vehicle safety. The basic controls test assesses your ability to maneuver and control the vehicle. The on-road driving test evaluates your ability to drive the vehicle in various traffic conditions.
Yes, there are limitations for Class A CDL license holders in South Carolina. These limitations or restrictions relate to the type of vehicle you can drive, safety equipment needed, and in some cases, the time of day you can drive. Restrictions are marked on your CDL and may be removed by passing additional tests.
In South Carolina, the written Class A CDL test is primarily offered in English. However, some locations may offer the test in Spanish. It's recommended to contact your local DMV office to confirm language availability. Please note, all drivers must still have a basic understanding of English to ensure road safety.
Yes, you can request accommodations for the Class A CDL written test in South Carolina if you have a disability. The South Carolina Department of Motor Vehicles (SCDMV) is committed to ensuring that its services are accessible to all individuals. However, specific accommodations depend on the nature of the disability and must comply with federal regulations regarding commercial driving safety.
Yes, if you fail the Class A CDL written test in South Carolina, you can retake it. You must wait at least one day before retaking the test. However, keep in mind there may be additional fees associated with each retest. It's recommended to study thoroughly before reattempting to increase your chances of passing.

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