Free Louisiana CDL Combination Vehicles Practice Test 2023

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

Our CDL practice tests:
Based on 2021 LA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
LA CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
Which of the following is part of the electrical and air lines coupling inspection?
After supplying air to the trailer, how should you check for crossed air lines?
A tractor with a _______ trailer, requires the most amount of stopping distance.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
Tractor with a ______ trailer requires the shortest amount of stopping distance.
Which part of the kingpin should the locking jaw close around?
When backing under the trailer, air lines:
When coupling, trailer height should:
Which of these statements is true?
There are two things that a driver can do to prevent a rollover. They are: (1) go slow around turns, and (2):
When should you use the hand valve to park a combination vehicle?
The emergency air line controls the emergency brakes on combination vehicles, and:
To help release the fifth wheel locking lever:
Trailers will have an ABS malfunction lamp:
In normal driving, some drivers use the hand valve before the brake pedal to prevent a jack-knife. Which of the statements is true?
Why should you be sure that the fifth wheel plate is greased as required?
To stop a trailer skid you should:
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should:
While driving, you should use the trailer hand valve when?
In case of landing gear failure while pulling out from under it, you should: