Free Michigan CDL Combination Vehicles Practice Test 2022

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

Our CDL practice tests:
Based on 2022 MI commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MI CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
The air lines on a combination vehicle are often colored to prevent them from mixing up. The emergency line is _____, the service line is _________.
2.
When you open the emergency shut-off valve at the back of the last trailer after supplying air to trailer(s):
3.
For proper hose coupling, lines are often color-coded. Service lines are usually:
4.
A function of the tractor protection valve is:
5.
Spring brakes are not required on trailers and dollies built before:
6.
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:
7.
When connecting the glad hands, press the two seals with the couplers together at what degree to each other?
8.
In order to allow the trailer brakes to be applied more quickly, what is connected to the service air line?
9.
You are driving a combination vehicle when the trailer breaks away, pulling apart both air lines. You expect the trailer brakes to come on and:
10.
Before coupling or uncoupling, the trailer wheels should always be:
11.
A major leak in the trailer emergency line will cause:
12.
When should you use the hand valve to park a combination vehicle?
13.
When you notice that your trailer has lost traction and is going into a skid, you should:
14.
Converter dollies:
15.
When parking trailers without spring brakes, it is very important to:
16.
Why should you be sure that the fifth wheel plate is greased as required?
17.
You are about to back your tractor under a semitrailer. The trailer is at the right height when the:
18.
After connecting the air lines but before backing under the trailer you should:
19.
The front trailer supports are up and the trailer is resting on the tractor. Make sure:
20.
In case of landing gear failure while pulling out from under it, you should: