Free South Carolina CDL Combination Vehicles Practice Test 2023

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 2021 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.
Air brake equipped trailers made before 1975:
2.
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
3.
Semi-trailers made before 1975 that are equipped with air brakes:
4.
One good way to prevent rollover is:
5.
To unlock the fifth wheel, the locking lever should be placed in the ______ position.
6.
The iron trailer supports are up and the trailer is resting on the tractor. Make sure:
7.
If your trailer goes into a skid, you should do all of the following except:
8.
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
9.
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
10.
A major leak in the trailer emergency line will cause:
11.
To stop other drivers from passing you on the right when turning wide:
12.
Converter dollies:
13.
To test the trailer brakes before driving, use the hand valve or the:
14.
To stop a trailer skid you should:
15.
After you have coupled the trailer you should raise the landing gear by using:
16.
When backing under the trailer, do all of the following except:
17.
Triples combinations have a rearward amplification of:
18.
The front trailer supports are up and the trailer is resting on the tractor. Make sure:
19.
A specific item to check on a sliding fifth wheel is:
20.
While checking if the trailer is securely coupled to the tractor, the landing gears should be: