FREE CDL Combination Vehicles Practice Test Online | South Carolina 2024 Page 3 of 3
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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15 . If the trailer begins to skid, it is best to:
Brake.
If your trailer begins to skid, you should release the brakes to help regain traction. Once the wheels grip the road again, the trailer will begin to straighten out and follow the path of the tractor.
16 . 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.
17 . If color-coded, which color is used to identify service lines?
Air lines are sometimes color-coded to help drivers avoid mistakes when coupling glad hands. Typically, blue is used for service lines and red is used for emergency lines.
18 . A trailer that is too high:
Before coupling together a tractor and a trailer, you should make sure the trailer is at the proper height. If the trailer is too low, the trailer nose may be damaged. If the trailer is too high, it may not be able to couple correctly.
19 . To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can check under the trailer for wheel speed sensors coming from the back of the brakes.
20 . 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.
2024 South Carolina | Frequently Asked Questions
To acquire a CDL Tank endorsement in South Carolina, you must first have a Commercial Driver's License (CDL). After that, you need to pass the Tank Vehicle endorsement test at a DMV office. This test covers the knowledge required to safely operate a tank vehicle, including inspecting tanks, handling bulk tanks, and driving tank vehicles.
Obtaining a CDL Tank license in South Carolina involves having a valid Commercial Driver's License (CDL) first. You must then study the Tank Vehicles section in the SC Commercial Driver's Manual. Afterward, schedule and pass the tank vehicle endorsement test at a SC DMV office. Once passed, you will receive your Tank endorsement to your CDL.
While South Carolina doesn't specifically require training or experience to get a CDL Tank endorsement, it's highly recommended. Knowledge and understanding of handling and operating tank vehicles are crucial for passing the endorsement test. Many applicants opt for professional training courses to prepare for the test and gain practical experience.
Yes, in South Carolina, you need to pass the Tank Vehicle endorsement test to get a CDL Tank endorsement. This written exam tests your knowledge about the safe operation of tank vehicles, including inspecting tanks, handling bulk tanks, and driving tank vehicles. It's an additional test beyond the general CDL exam.
The written test for the CDL Tank endorsement in South Carolina covers various topics related to tank vehicles. These include inspecting tank vehicles, understanding weight distribution and high center of gravity, handling liquid surges, driving on slippery surfaces, and emergency handling such as skid control and recovery.
The CDL Tank endorsement assessment primarily focuses on knowledge rather than specific driving skills or maneuvers. It evaluates your understanding of inspecting tank vehicles, safe driving practices, handling characteristics of tankers, and details about bulk packaging and loading/unloading cargo tanks. However, safe driving and maneuvering skills are generally assessed during the CDL road test.
Yes, drivers with a CDL Tank endorsement are subject to certain limitations. They can only operate commercial tank vehicles and are required to adhere to specific safety regulations. These include weight restrictions, proper securing of cargo, and handling hazardous materials. Violation of these regulations can result in fines, license suspension, and even criminal charges.
No, it's illegal to transport liquid or gas materials in a tank vehicle without a valid CDL Tank endorsement in South Carolina. This endorsement ensures that drivers have the necessary skills and knowledge to safely handle and transport these types of materials. Violating this requirement can result in severe penalties.
Yes, the CDL Tank endorsement can be added to your current Commercial Driver's License (CDL). You don't need a fresh application. However, you must pass the Tank Vehicle endorsement knowledge test. Once you pass the test, the endorsement will be added to your existing CDL.
Yes, handling hazardous materials with a CDL Tank endorsement requires adherence to specific regulations. Drivers must pass the Hazardous Materials (HazMat) endorsement knowledge test, submit to a TSA background check, and follow safety protocols when loading, unloading, and transporting hazardous materials. Non-compliance can result in penalties.