Knowledge Test Class A #1
Class A Driving Test | South Carolina 2025 #1 Page 7 of 7
Train for FREE online with our South Carolina 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 SC 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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43 . How many daily hours of sleep does an adult need to maintain alertness?
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
44 . When loading a trailer, the heaviest cargo should be placed:
It is important that vehicles are not top-heavy, if at all possible. A top-heavy vehicle is at an increased risk of rollover. Place the heaviest pieces of cargo underneath lighter pieces of cargo.
45 . A driver should always:
Travel faster than the speed limit.
When driving, you should always scan the road for potential hazards. Formulate plans for how to deal with the hazards if they develop into emergencies.
46 . If you have more than one license:
All states share driver information through a computerized database in order to prevent the issuance of multiple licenses to a single person. It is prohibited for a person to have more than one driver license.
47 . All bus driver applicants must pass the test for a ____ endorsement.
All applicants seeking to be licensed to drive a bus must pass the passenger endorsement test.
48 . If your tractor is equipped with ABS but your trailer is not, the ABS:
Will allow others to see when you brake.
In a tractor-trailer combination, if the tractor is equipped with an Anti-Lock Braking System (ABS) but the trailer is not, the ABS will still improve the driver's steering control. The driver should keep an eye on the trailer and let up on the brakes if the trailer begins to swing out.
49 . Pressing and releasing a brake pedal unnecessarily can:
Create a loud noise.
In an air brake system, pressing and releasing the brake pedal unnecessarily can release air from the braking system faster than the compressor can replace it.
50 . If you are being tailgated, you should:
Allow the vehicle to pass.
If you are being tailgated, it is advisable to open up the space in front of your vehicle, making it easier for the tailgater to get around you. Speeding up may be counterproductive because the driver may continue to tailgate you at the higher speed, only increasing the danger.
See the exact questions that will be on the 2025 South Carolina 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.
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2025 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.
