Free Michigan CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Michigan CDL double/triple trailer endorsement test, make sure to know it! Our Michigan CDL Practice Test has the same questions as the real exam which is based on the Michigan CDL Manual. It covers most of the subject areas on the Double/Triple Trailers Test such as pulling double and triple trailers, the risk of rollover, managing space, and special considerations when hauling multiple trailers. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, you can take this CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Michigan CDL Double/Triple Trailers Practice Test today and pass your CDL endorsement exam! Good luck and keep driving safely!

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 Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the purpose of an antilock braking system (ABS)?
2.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
3.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
4.
Automatic slack adjusters ________.
5.
The most efficient way to drive down a long grade is to ________.
6.
With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:
7.
To check if the converter dolly is securely coupled to the rear trailer you should:
8.
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
9.
How do you check the low pressure warning signal?
10.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
11.
A safety valve that releases air _______.
12.
If you want to couple a second trailer to your combination vehicle, secure it by using:
13.
What distinguishes a wedge brake from other types of brakes?
14.
Why should you check the brake adjustment often?
15.
Where is compressed air stored?
16.
A safe speed on a curve for a smaller commercial vehicle:
17.
If the air compressor does not have its own oil supply, how is it lubricated?
18.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
19.
Vehicles with air brakes have pressure gauges connected to the _______.
20.
The pintle hook should never be unlocked when: