Free South Carolina CDL Combination Vehicles Practice Test 2022

You have to pass the South Carolina CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good SC CDL Practice Test source for your coming CDL test? You are in the right place. Our practice test is a great resource for beginners. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. Our CDL practice test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official SC CDL Manual so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each question has a detailed explanation so that it is very useful for you to learn from your mistakes. Preparing well before test day with questions and content that we cover. Start with our Free South Carolina CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 SC commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
SC CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Before you back under a trailer, make sure that:
2.
After supplying air to the trailer, how should you check for crossed air lines?
3.
When inspecting the coupling area, all of the following are required except:
4.
The higher the center of gravity of your truck, the:
5.
Spring brakes are not required on trailers and dollies built before:
6.
The tractor protection valve will close, and the trailer emergency brakes will come on when there is a major leak in the _____ brake line.
7.
You have coupled with a semitrailer, where should you put the iron trailer supports before driving away?
8.
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
9.
To make coupling and uncoupling a loaded trailer easier:
10.
The emergency air line controls the emergency brakes on combination vehicles, and:
11.
When parking trailers without spring brakes, it is very important to:
12.
When uncoupling, the tractor should:
13.
If the spring brakes are not released when you pushed the trailer air supply valve you should:
14.
There are two things that a driver can do to prevent a rollover: They are: (1) go slow around turns, and (2):
15.
A fifth wheel in proper position for coupling will have:
16.
What will happen if the air lines are crossed when you hook up to an old trailer?
17.
Before getting out to inspect the coupling, secure the vehicle by putting transmission in neutral, shutting off engine and taking the key with you, and:
18.
You are coupling a tractor to the semitrailer; you have connected the airlines. Before backing under the trailer, you should:
19.
Glad hands are usually connecting which of these?
20.
Where should the tractor be when you inspect the landing gear after uncoupling the trailer?