Free Louisiana CDL Combination Vehicles Practice Test 2022

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 2022 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
1.
You should not back a tractor under a trailer until the air system is:
2.
When inspecting the coupling area, all of the following are required except:
3.
When you open the emergency shut-off valve at the back of the last trailer after supplying air to trailer(s):
4.
A function of the tractor protection valve is:
5.
The shut-off valves at the back of the last trailer should be:
6.
You have coupled with a semitrailer, where should you put the iron trailer supports before driving away?
7.
When traveling under 40 mph, how much distance should you leave, at minimum, from the car in front of you?
8.
If your trailer goes into a skid, you should do all of the following except:
9.
Over 50% of truck driver accident deaths are caused by:
10.
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
11.
When uncoupling, make sure that the parking area:
12.
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):
13.
To make coupling and uncoupling a loaded trailer easier:
14.
The emergency air line is usually what color?
15.
If the spring brakes are not released when you pushed the trailer air supply valve you should:
16.
The "rearward amplification" value means:
17.
All of these are part of the final 3 steps of uncoupling the trailer except:
18.
The hand valve should be used:
19.
The fifth wheel locking lever is not locked after the jaws close around the kingpin. This means that:
20.
Why should you lock the tractor glad hands to each other (or dummy couplers) when you are not towing a trailer?