Free South Carolina CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our SC General Knowledge Practice Test has the same questions as the real exam which is based on the SC CDL Manual. Our CDL practice test pack covers most of the subject areas on the South Carolina General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our SC CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 SC commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
SC CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
To help you to stay alert while driving, you should:
2.
You are driving on a clear night. You must dim your headlights from high to low. You should adjust your speed so that you can stop within:
3.
"According to the driver’s manual, why should you limit the use of your horn?"
4.
What should you do before driving in mountains?
5.
Which of these statements about cold weather driving is true?
6.
Which of these statements about certain types of cargo is true?
7.
High beams should be:
8.
The North American Cargo Securement Standard cover vehicles weighing:
9.
Which day below contains at least 1 violation?
Day 1

Day 2
10.
All lights and reflectors should be operating properly, clean, and:
11.
On an accident scene, if a qualified helper is present you should:
12.
ABS malfunction lights will be what color?
13.
Which of these is true about hazardous materials:
14.
All of the following are requirements for transporting coils with eyes crosswise except:
15.
Gross Vehicle Weight (GVW) means the following:
16.
To secure a cubic-shaped boulder, how many tiedowns are required, at minimum?
17.
Which statement below is true?
18.
Which of these are not part of the front pre-trip inspection?
19.
Based on the following figures, how much fuel can you legally add while remaining legal on the steer axle?

Load rating of steer tires: 6,150 pounds

Percentage of fuel weight to steer axle: 80%

Steer axle weight limit in states you're travelling: 20,000 pounds

Weight Before Fueling: Steer: 11,450, drives: 33,100, gross: 76,700

20.
The Aggregate Working Load Limit should, at minimum, be:
21.
When you are driving on a snow packed road, you should reduce your speed by:
22.
What factor has the greatest affect on how much weight is moved per hole in the tandem slider rail?
23.
A cleat is a short piece of wood used:
24.
If you are being tailgated, you should not:
25.
The maximum distance from the rear allowed for attaching mechanisms used to secure roll-on/roll-off containers is:
26.
Who enforces HOS regulations?
27.
To secure paper rolls with eyes horizontally against rearward movement, you can use which of the following except:
28.
When making a right turn, all of the following are good technical practices except:
29.
A dunnage bag is:
30.
Every time you pull off the expressway to take a break, you use about how much time off your 11-hour driving limit?
31.
You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blew out of your vehicle, what should you do first?
32.
You may hang up on a railroad track if:
33.
When loading a trailer, if the cargo is loaded all to the rear, it may result in:
34.
Which of the following is not a requirement of wood used as blocking or bracing?
35.
When you are starting to move up a hill from a stop:
36.
Your log must include all of the following except:
37.
After turning and getting up to speed:
38.
In order to perform the in-cab and gauge inspection, which of the following must be done?
39.
What is the WLL of a 1/2-inch Grade 70 tiedown?
40.
Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?
41.
What is the primary goal of implementing the Bridge Formula?
42.
Which of the following are covered by the specific log securement requirements?
43.
To correct a drive wheel braking skid, you should:
44.
Backing your vehicle in a straight line without crossing over or touching the exercise boundaries is called:
45.
To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back into the pavement?
46.
A device placed on the exposed edge of an article to distribute tiedown forces over a larger area of cargo than the tiedown itself, to protect the tie-down and/or cargo from damage, and to allow the tiedown to slide freely when being tensioned is a:
47.
What violation occurs in the example below?
Day 1
48.
A container chassis vehicle, by definition, is:
49.
Most good drivers will look ahead:
50.
How many days worth of logbook entries must you have available to show during an inspection?