Free Minnesota CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Minnesota CDL double/triple trailer endorsement test, make sure to know it! Our MN CDL Practice Test has the same questions as the real exam which is based on the MN 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 Minnesota 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 MN commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MN CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
The part of the combination vehicle most likely to turn over is the:
2.
What should you do when the low air pressure warning comes on?
3.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
4.
When driving a truck with more than one trailer, which trailer should be first behind the truck?
5.
A low pressure warning signal could be __________.
6.
To check if the converter dolly is securely coupled to the rear trailer you should:
7.
The air compressor should pump air starting at what psi?
8.
How do you check the low pressure warning signal?
9.
During normal operation, the brakes of the double/triple trailer are controlled by:
10.
If you want to couple a second trailer to your combination vehicle, secure it by using:
11.
An air compressor can be cooled by _______.
12.
During a normal drive, the spring brakes are held back by _____.
13.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
14.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
15.
When checking that air is flowing to all trailers,what is used to provide air to the supply lines?
16.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
17.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
18.
A safe speed on a curve for a smaller commercial vehicle:
19.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
20.
The pintle hook should never be unlocked when: