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.
After supplying air to the trailer, how should you check for crossed air lines?
2.
A tractor with a _______ trailer, requires the most amount of stopping distance.
3.
The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than _____ psi per minute.
4.
The higher the center of gravity of your truck, the:
5.
The iron trailer supports are up and the trailer is resting on the tractor. Make sure:
6.
Supplied by the service line from the tractor, each trailer or dolly has its own:
7.
When you get ready to back under a semitrailer you should line up:
8.
You have pushed the trailer air supply valve. You should not back a tractor under a trailer until the whole air system is:
9.
Off-tracking or cheating causes which of these to follow the wider path while making a turn?
10.
Tractor with a ______ trailer requires the shortest amount of stopping distance.
11.
Before coupling or uncoupling, the trailer wheels should always be:
12.
What is the term for a commercial vehicle habit of swinging wide on turns?
13.
The trailer hand valve should be used:
14.
If the wheels of the trailer lock up and the trailer swings around, it could cause a:
15.
When uncoupling, the tractor should:
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.
Your emergency air line breaks or gets pulled apart while you are driving. The loss of pressure will cause the:
19.
When backing under the trailer, do all of the following except:
20.
At the back of trailer used to tow other trailers are shut-off valves, also called: