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
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
The trailer air supply control knob is:
A function of the tractor protection valve is:
Spring brakes are not required on trailers and dollies built before:
The shut-off valves at the back of the last trailer should be:
When uncoupling, make sure that the parking area:
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
Over 50% of truck driver accident deaths are caused by:
If you have to enter another traffic lane to complete a wide turn, you should:
When driving a combination vehicle with multiple trailers or dollies, all air shut-off valves except the last one at the back must be:
To stop other drivers from passing you on the right when turning wide:
When you notice that your trailer has lost traction and is going into a skid, you should:
Trailers will have an ABS malfunction lamp:
The emergency air line is usually what color?
When uncoupling, the tractor should:
The "rearward amplification" value means:
Rocky mountain doubles have a rearward amplification of about:
While driving, you should use the trailer hand valve when?
Before getting out to inspect the coupling, secure the vehicle by putting transmission in neutral, shutting off engine and taking the key with you, and:
A specific item to check on a sliding fifth wheel is: