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.
Why should you try to move to your right when steering in an emergency?
2.
Void filler is:
3.
When using the brakes on a steep downgrade, which of the following applies?
4.
When are helpers needed to back your vehicle?
5.
Which of these statements about using turn signals is true?
6.
Hydroplaning:
7.
The primary cause of fatal crashes is:
8.
You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true?
9.
Which violation occurs on the below example?
10.
When securing an intermodal container on a chassis, what is the maximum allowable vertical travel when secured?
11.
What keeps an engine cool in hot weather driving?
12.
In case of illness that prevents you from driving safely, you should:
13.
When loading and securing a boulder, it should be:
14.
What should you do when you see a hazard in the roadway ahead of you?
15.
Which of the statements about pre-trip inspection is true?
16.
Most serious skids result from:
17.
To help slow the vehicle to reduce the need for using the service brakes, some vehicles are equipped with:
18.
What is the maximum allowable weight on a 5-axle combination vehicle?
19.
A tiedown is defined as:
20.
What does EOBR stand for?
21.
Securing heavy vehicles or equipment with crawler tracks or wheel requires a minimum of how many tiedowns?
22.
Cargo and securement devices should be checked within how many miles after starting a trip?
23.
In order to drive placarded vehicles, drivers are required to have:
24.
Which of the following is not an acceptable method of containing loose parts when securing flattened or crushed vehicles?
25.
What will be the ultimate limitation that prevents you from putting the trailer tandems as far to the rear of the trailer as possible?
26.
EOBR's are required to automatically record which of the following?
27.
The object of the pre-trip inspection is:
28.
Any activity that draws your attention to something other than the task of driving is considered:
29.
If you are not sure what to use to put out a hazardous material fire you should:
30.
Whenever possible, a row of metal coils with eyes vertical requires one direct tiedown to secure against rearward movement at what maximum angle?
31.
A chock is generally used to secure:
32.
How far should a driver look ahead of the vehicle while driving?
33.
Controlled braking:
34.
Given that general cargo securement requires a WLL of at least 50% of cargo weight, how many 1/2-inch Grade 70 chains would be required for a load of 34,500 lbs?
35.
When crossing railroad tracks in a placarded vehicle or a bus:
36.
What are the two primary laws governing the placement of the tandems?
37.
You must drive on a slippery road. Which of these is a good thing to do in such a situation?
38.
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
39.
Which of these statements about vehicle fire is true?
40.
When checking the general condition of the vehicle, which of the following should be specifically addressed?
41.
Some causes of fuel fires include improper fueling, driver smoking, and:
42.
Using the following numbers, what would be the final result if you moved the 5th wheel forward two holes?

steer axle: 10,800 pounds
drive axles: 34,100 pounds
Weight transfer: 500 pounds per hole
43.
All of the following are concerns for driving on offramps or onramps except:
44.
What is the minimum number of tie-downs to be used on flatbed cargo?
45.
When securing a paper roll with a width that is more than twice its diameter, which of the following is not an acceptable method of securement to prevent tipping?
46.
The narrowest end of a boulder should be pointed:
47.
A Class A CDL is required to drive a combination vehicle of over 26,001 lbs towing a vehicle weighing:
48.
CDL drivers from New York State require the Metal Coils Endorsement when transporting metals coils weighing:
49.
Improperly loaded or secured cargo:
50.
What violations occurred on the below example?