Free Minnesota CDL Double/Triple Trailers Practice Test 2023

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 2021 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
What is the purpose of a modulating control valve?
To test the tractor protection valve, the engine needs to be:
How can you be sure you supplied air to a second trailer?
The converter dolly air tank drain valve on coupled double/triple trailers should be:
In terms of stability, doubles and triples are:
When coupling or uncoupling, trailer or dolly wheel should always be:
Which of these statements about quick steering movements and doubles/triples is true?
The service brake system ________.
Automatic air tanks _______.
Pushing the brake pedal down when the spring brakes are on could _________.
What distinguishes a wedge brake from other types of brakes?
Letting up on the brake pedal _______.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
After coupling the converter dolly to the first trailer, the pintle hook should be:
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
When you make an emergency stop, you should _________.
If the air compressor does not have its own oil supply, how is it lubricated?
Why should you drain water from compressed air tanks?
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?
To position the converter dolly over short distances you can: