Free Kentucky CDL Combination Vehicles Practice Test 2022

You have to pass the Kentucky CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good Kentucky CDL Practice 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 KY 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 Kentucky CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 KY commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
KY 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.
To prevent moisture from entering the electrical cable when disconnected:
3.
While driving behind another vehicle, under good conditions, you should allow at least one second between your vehicle and the vehicle ahead for each ____ feet of your vehicle length.
4.
If your trailer goes into a skid, you should do all of the following except:
5.
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
6.
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):
7.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
8.
Rearward amplification is a major cause of:
9.
When driving a combination vehicle with multiple trailers or dollies, all air shut-off valves except the last one at the back must be:
10.
A major leak in the trailer emergency line will cause:
11.
Your emergency air line breaks or gets pulled apart while you are driving. The loss of pressure will cause the:
12.
The emergency air line controls the emergency brakes on combination vehicles, and:
13.
A driver crosses the air lines when hooking up to an old trailer. What will happen?
14.
When you notice that your trailer has lost traction and is going into a skid, you should:
15.
Trailer landing gear:
16.
A fifth wheel in proper position for coupling will have:
17.
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?
18.
You supply air to the trailer tanks by:
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?