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.
Which of the following is part of the electrical and air lines coupling inspection?
2.
The air lines on a combination vehicle are often colored to prevent them from mixing up. The emergency line is _____, the service line is _________.
3.
One good way to prevent rollover is:
4.
While driving behind another vehicle, under good conditions, you should allow at least one second between your vehicle and the vehicle ahead for each ____ feet of your vehicle length.
5.
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:
6.
Supplied by the service line from the tractor, each trailer or dolly has its own:
7.
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
8.
Rearward amplification is a major cause of:
9.
If you have to enter another traffic lane to complete a wide turn, you should:
10.
When unlocking the fifth wheel in Step 6, all of the following apply except:
11.
A driver crosses the air lines when hooking up to an old trailer. What will happen?
12.
Some of the points for inspecting the coupling include the following except:
13.
How much space should there be between the upper and lower fifth wheel?
14.
To stop a trailer skid you should:
15.
A fifth wheel in proper position for coupling will have:
16.
When backing a tractor under a trailer you should:
17.
To test the tractor protection valve, pump the brakes with the engine off until the trailer air supply knob pops out, usually at:
18.
At the back of trailer used to tow other trailers are shut-off valves, also called:
19.
While driving, you should use the trailer hand valve when?
20.
While checking if the trailer is securely coupled to the tractor, the landing gears should be: