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.
When merging:
2.
What are the Federal standards for the gross vehicle weight of a 5 axle commercial vehicle?
3.
When is the driver responsible for inspecting cargo and securing devices?
4.
Securing cargo on a flatbed trailer is typically done using:
5.
How many days are you required to keep your completed logs?
6.
Why Do HOS Regulations Exist?
7.
Applying the brakes repeatedly on a downgrade to reduce speed 5 mph below your target is called:
8.
Hazmat placards are what shape?
9.
High friction securement devices include:
10.
When using tiedowns to secure boulders, all of the following are requirements except:
11.
A stack of shortwood loaded lengthwise can be secured with one tiedown if:
12.
You should lightly apply your brakes to flash the brake lights if:
13.
When you change your duty status, you must document all of the following except:
14.
Which of these is correct about emergency or evasive action?
15.
Major signs of tire failure could include:
16.
On what day and time does an 11 hour rule violation occur?
Day 1

Day 2
17.
Which of the following is not a method of securing side-by-side cargo?
18.
All of the following are exempt from needing a CDL except:
19.
The distance the truck will travel between noticing a hazard and hitting the brakes is:
20.
Snow and ice must be removed from the radiator because otherwise:
21.
In case of which fires can you use water to put it out?
22.
You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:
23.
When is it acceptable to use amphetamines to help you stay awake while driving?
24.
The maximum number of "looks" allowed during the driving exam is:
25.
You should signal continuously while turning because:
26.
When securing paper rolls on a flatbed or curtainside vehicle, it is acceptable to stack rolls with eyes vertical:
27.
Requirements for securing a non-cubic shaped boulder with a stable base include all of the following except:
28.
A school bus endorsement is required in order to transport:
29.
Distracted driving could be any of the following except:
30.
You should try to park so that:
31.
Why did Congress enact the Bridge Formula in 1975?
32.
When securing a non-cubic boulder with an unstable base, the four surrounding chains must have a WLL of at least:
33.
What happens if an EOBR malfunctions?
34.
Which vehicle will have the most difficulty staying in its lane during strong wind?
35.
A traffic emergency requires you to escape to the shoulder or roadside. If possible, slow down to ____ mph before using your brakes.
36.
You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is NOT true?
37.
Where should the ignition key be during the pre-trip inspection?
38.
When vehicles towing trailers go into a drive-wheel skid, the trailer can push the towing vehicle sideways, causing a:
39.
High beams should only be used at a distance of:
40.
What is low-speed offtracking?
41.
When securing a metal coil with eyes lengthwise, all of the following are steps for securement option #1 except for:
42.
When parked on the side of a two-lane road carrying traffic in both directions, place warning devices:
43.
Which of the statements about backing a heavy vehicle is NOT true?
44.
What is aggregate working load limit?
45.
All of these are requirements for securing longwood lengthwise except:
46.
Which of these lights cannot be checked at the same time?
47.
When involved in an accident and not seriously injured, basic steps you should take include assist the injured, notify authorities, and:
48.
You receive a scale ticket and your drive axles are 35,400 and your trailer tandems are 31,100. Based upon the two most common tandem slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and in which direction?
49.
When securing paper rolls with friction mats as a primary method:
50.
The maximum number of allowable looks and/or pull-ups on any particular exam exercise is: