Free MN CDL Combination Vehicles Practice Test 2022

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

Our CDL practice tests:
Based on 2022 MN commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MN CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
To prevent moisture from entering the electrical cable when disconnected:
2.
After supplying air to the trailer, how should you check for crossed air lines?
3.
After the trailer has been coupled to the tractor, the tractor protection control valve should be placed in what position?
4.
The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than _____ psi per minute.
5.
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
6.
When connecting the glad hands, press the two seals with the couplers together at what degree to each other?
7.
When coupling, trailer height should:
8.
The trailer hand valve should be used:
9.
Improperly greased or lubricated fifth wheels will cause:
10.
The tractor should be positioned to back under the trailer:
11.
When checking the trailer emergency brakes, the tractor protection control valve should be placed in what position?
12.
Trailer landing gear:
13.
After you have coupled the trailer you should raise the landing gear by using:
14.
Driving with an empty trailer:
15.
Like tractor air tanks, trailer air tanks should be kept free of dirt and oil by:
16.
You supply air to the trailer tanks by:
17.
What will happen if the air lines are crossed when you hook up to an old trailer?
18.
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should:
19.
After connecting the air lines but before backing under the trailer you should:
20.
Where should the tractor be when you inspect the landing gear after uncoupling the trailer?