Free North Carolina CDL Combination Vehicles Practice Test 2022

You have to pass the North Carolina CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good NC CDL 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 NC 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 North Carolina CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 NC commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NC CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Which of the following is part of the electrical and air lines coupling inspection?
2.
Air brake equipped trailers made before 1975:
3.
You should not back a tractor under a trailer until the air system is:
4.
The higher the center of gravity of your truck, the:
5.
After you supply air to the trailer, make sure the air lines are not crossed and the trailer brakes are working. This is done by:
6.
Supplied by the service line from the tractor, each trailer or dolly has its own:
7.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
8.
Rearward amplification is a major cause of:
9.
When backing under the trailer, air lines:
10.
When driving a combination vehicle with multiple trailers or dollies, all air shut-off valves except the last one at the back must be:
11.
Trailers will have an ABS malfunction lamp:
12.
Converter dollies:
13.
Trailer landing gear:
14.
Crack-the-whip effect occurs when:
15.
To stop a trailer skid you should:
16.
In normal driving, some drivers use the hand valve before the brake pedal to prevent a jack-knife. Which of the statements is true?
17.
The safety latch for the fifth wheel locking lever must be _____ for a coupling to be complete.
18.
After connecting the air lines but before backing under the trailer you should:
19.
While driving, you should use the trailer hand valve when?
20.
Where should the tractor be when you inspect the landing gear after uncoupling the trailer?