Free Arizona CDL Combination Vehicles Practice Test 2022

You have to pass the Arizona 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 Arizona CDL practice test is a great resource for beginners to practice. 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 Practice Test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official Arizona CDL manual so you can be sure that the information in our CDL practice 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 Arizona CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 AZ commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AZ CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Before you back under a trailer, make sure that:
2.
Which of the following is part of the electrical and air lines coupling inspection?
3.
To prevent moisture from entering the electrical cable when disconnected:
4.
When inspecting the coupling area, all of the following are required except:
5.
How much space should be allowed between the upper and lower fifth wheel after coupling?
6.
If your trailer goes into a skid, you should do all of the following except:
7.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
8.
Which of these statements is true?
9.
The emergency air line controls the emergency brakes on combination vehicles, and:
10.
The trailer hand valve should be used:
11.
When unlocking the fifth wheel in Step 6, all of the following apply except:
12.
How should you test the tractor-semitrailer connection for security?
13.
How much space should there be between the upper and lower fifth wheel?
14.
You have a major leak in the service line, and you put on the brakes. Service air will escape and cause the:
15.
When backing a tractor under a trailer you should:
16.
All of these are part of the final 3 steps of uncoupling the trailer except:
17.
The safety latch for the fifth wheel locking lever must be _____ for a coupling to be complete.
18.
To test the tractor protection valve, pump the brakes with the engine off until the trailer air supply knob pops out, usually at:
19.
If you cannot complete your turn without entering another traffic lane you should:
20.
Why should you lock the tractor glad hands to each other (or dummy couplers) when you are not towing a trailer?