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.
Semi-trailers made before 1975 that are equipped with air brakes:
2.
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
3.
You should not back a tractor under a trailer until the air system is:
4.
The trailer air supply control knob is:
5.
Spring brakes are not required on trailers and dollies built before:
6.
When traveling under 40 mph, how much distance should you leave, at minimum, from the car in front of you?
7.
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
8.
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
9.
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
10.
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):
11.
In order to allow the trailer brakes to be applied more quickly, what is connected to the service air line?
12.
When coupling, trailer height should:
13.
If the service line comes apart while you are driving a combination vehicle, but the emergency line stays together, what will happen right away?
14.
Improperly greased or lubricated fifth wheels will cause:
15.
How should you test the tractor-semitrailer connection for security?
16.
All of these are part of the final 3 steps of uncoupling the trailer except:
17.
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should:
18.
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:
19.
The front trailer supports are up and the trailer is resting on the tractor. Make sure:
20.
While checking if the trailer is securely coupled to the tractor, the landing gears should be: