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.
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
2.
A tractor with a _______ trailer, requires the most amount of stopping distance.
3.
When you open the emergency shut-off valve at the back of the last trailer after supplying air to trailer(s):
4.
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
5.
When uncoupling, make sure that the parking area:
6.
When you get ready to back under a semitrailer you should line up:
7.
After you lock the kingpin into the fifth wheel, you should check the connection by:
8.
Tractor with a ______ trailer requires the shortest amount of stopping distance.
9.
You have pushed the trailer air supply valve. You should not back a tractor under a trailer until the whole air system is:
10.
Off-tracking or cheating causes which of these to follow the wider path while making a turn?
11.
When pulling trailers:
12.
Your emergency air line breaks or gets pulled apart while you are driving. The loss of pressure will cause the:
13.
A driver crosses the air lines when hooking up to an old trailer. What will happen?
14.
The tractor should be positioned to back under the trailer:
15.
When checking the trailer emergency brakes, the tractor protection control valve should be placed in what position?
16.
If the wheels of the trailer lock up and the trailer swings around, it could cause a:
17.
The emergency air line is usually what color?
18.
You have a major leak in the service line, and you put on the brakes. Service air will escape and cause the:
19.
Air and electrical lines from the tractor to the trailer should be:
20.
You are coupling a tractor to the semitrailer; you have connected the airlines. Before backing under the trailer, you should: