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.
To unlock the fifth wheel, the locking lever should be placed in the ______ position.
2.
The tractor protection valve will close, and the trailer emergency brakes will come on when there is a major leak in the _____ brake line.
3.
You have coupled with a semitrailer, where should you put the iron trailer supports before driving away?
4.
To prevent water and dirt from entering the air system, hose couplers can be attached to dummy couplers or:
5.
There are two things that a driver can do to prevent a rollover. They are: (1) keep the cargo as close to the ground as possible and (2):
6.
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
7.
To make coupling and uncoupling a loaded trailer easier:
8.
When coupling, trailer height should:
9.
A major leak in the trailer emergency line will cause:
10.
To stop other drivers from passing you on the right when turning wide:
11.
The emergency air line controls the emergency brakes on combination vehicles, and:
12.
To help release the fifth wheel locking lever:
13.
The trailer hand valve should be used:
14.
If the spring brakes are not released when you pushed the trailer air supply valve you should:
15.
There are two things that a driver can do to prevent a rollover: They are: (1) go slow around turns, and (2):
16.
To test the trailer brakes before driving, use the hand valve or the:
17.
Like tractor air tanks, trailer air tanks should be kept free of dirt and oil by:
18.
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should:
19.
Triples combinations have a rearward amplification of:
20.
Glad hands are usually connecting which of these?