• MI Car Tests
  • MI Motorcycle Tests
  • MI CDL Tests
  • MI Driver Manuals

Michigan CDL Practice Test: Class A - Test 2 2020

(From the 2020 Michigan CDL Handbook)
Number of tests: 2
Number of questions: 30
Passing score: 80

Directions: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the Michigan Commercial Driver Handbook. Endorsements that may be used with a Class A CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Michigan DMV locations.

1. When does the air compressor governor allow air to start pumping?

2. Dead end couplers prevent water and dirt entering into the ____ and the ______.

3. When uncoupling, if you park the trailer at an angle ______.

4. The air pressure should build from ____ to ____ within 3 minutes.

5. During a pre-trip inspection of your vehicle, you can check if your vehicle is leaking by inspecting for _______.

6. The emergency line has two functions. It controls the emergency brakes on combination vehicles and what else?

7. Which of the following parts should you check for cracks?

8. What is the purpose of dummy coupler?

Page 1 of 4


4.5 OUT OF 5.0