Free Alabama CDL Combination Vehicles Practice Test 2023

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

Our CDL practice tests:
Based on 2021 AK commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AK CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
Before you back under a trailer, make sure that:
The trailer air supply control knob is:
When inspecting the coupling area, all of the following are required except:
A function of the tractor protection valve is:
The iron trailer supports are up and the trailer is resting on the tractor. Make sure:
The tractor protection valve will close, and the trailer emergency brakes will come on when there is a major leak in the _____ brake line.
Spring brakes are not required on trailers and dollies built before:
When traveling under 40 mph, how much distance should you leave, at minimum, from the car in front of you?
After you lock the kingpin into the fifth wheel, you should check the connection by:
Before coupling or uncoupling, the trailer wheels should always be:
There are two things that a driver can do to prevent a rollover. They are: (1) go slow around turns, and (2):
To help release the fifth wheel locking lever:
When unlocking the fifth wheel in Step 6, all of the following apply except:
A driver crosses the air lines when hooking up to an old trailer. What will happen?
You supply air to the trailer tanks by:
The hand valve should be used:
When backing under the trailer, do all of the following except:
When coupling, the proper position of the fifth wheel is:
While checking if the trailer is securely coupled to the tractor, the landing gears should be:
In case of landing gear failure while pulling out from under it, you should: