Free Connecticut CDL Combination Vehicles Practice Test 2022

You have to pass the CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for good source material for your coming CDL test? You are in the right place. Our CDL 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. The Connecticut CDL Combination Vehicles Practice Test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official CT 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 Connecticut CDL Practice test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 CT commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CT 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.
After the trailer has been coupled to the tractor, the tractor protection control valve should be placed in what position?
3.
For proper hose coupling, lines are often color-coded. Service lines are usually:
4.
A function of the tractor protection valve is:
5.
To unlock the fifth wheel, the locking lever should be placed in the ______ position.
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.
Over 50% of truck driver accident deaths are caused by:
8.
When you get ready to back under a semitrailer you should line up:
9.
Which part of the kingpin should the locking jaw close around?
10.
You have pushed the trailer air supply valve. You should not back a tractor under a trailer until the whole air system is:
11.
If you have to enter another traffic lane to complete a wide turn, you should:
12.
Which of these statements is true?
13.
The trailer hand valve should be used:
14.
When checking the trailer emergency brakes, the tractor protection control valve should be placed in what position?
15.
The emergency air line is usually what color?
16.
You are coupling a tractor to a semitrailer and have backed up, but are not under it. What should you hook up before backing under?
17.
You have a major leak in the service line, and you put on the brakes. Service air will escape and cause the:
18.
The hand valve should be used:
19.
Triples combinations have a rearward amplification of:
20.
A specific item to check on a sliding fifth wheel is: