Free Hawaii 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 a good Hawaii 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 CDL practice 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 Practice Test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official Hawaii 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 Hawaii CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 HI commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
HI 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.
You have coupled with a semitrailer, where should you put the iron trailer supports before driving away?
5.
The tractor protection valve will close, and the trailer emergency brakes will come on when there is a major leak in the _____ brake line.
6.
After you lock the kingpin into the fifth wheel, you should check the connection by:
7.
To make coupling and uncoupling a loaded trailer easier:
8.
Tractor with a ______ trailer requires the shortest amount of stopping distance.
9.
A major leak in the trailer emergency line will cause:
10.
What is the term for a commercial vehicle habit of swinging wide on turns?
11.
Your emergency air line breaks or gets pulled apart while you are driving. The loss of pressure will cause the:
12.
If the wheels of the trailer lock up and the trailer swings around, it could cause a:
13.
When you notice that your trailer has lost traction and is going into a skid, you should:
14.
When uncoupling, the tractor should:
15.
In normal driving, some drivers use the hand valve before the brake pedal to prevent a jack-knife. Which of the statements is true?
16.
To test the trailer brakes before driving, use the hand valve or the:
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.
Like tractor air tanks, trailer air tanks should be kept free of dirt and oil by:
19.
What will happen if the air lines are crossed when you hook up to an old trailer?
20.
When backing under the trailer, do all of the following except: