Free Missouri CDL Combination Vehicles Practice Test 2023

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

Our CDL practice tests:
Based on 2021 MO commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MO 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:
After supplying air to the trailer, how should you check for crossed air lines?
You should not back a tractor under a trailer until the air system is:
The likelihood of a fully loaded rig turning over compared to an empty trailer is:
If your trailer goes into a skid, you should do all of the following except:
Over 50% of truck driver accident deaths are caused by:
After you supply air to the trailer, make sure the air lines are not crossed and the trailer brakes are working. This is done by:
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
To stop other drivers from passing you on the right when turning wide:
Trailer landing gear:
If the spring brakes are not released when you pushed the trailer air supply valve you should:
Like tractor air tanks, trailer air tanks should be kept free of dirt and oil by:
You supply air to the trailer tanks by:
Air and electrical lines from the tractor to the trailer should be:
Triples combinations have a rearward amplification of:
When coupling, the proper position of the fifth wheel is:
Glad hands are usually connecting which of these?
Where should the tractor be when you inspect the landing gear after uncoupling the trailer?
In case of landing gear failure while pulling out from under it, you should: