Free Michigan CDL Double/Triple Trailers Practice Test 2023

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 2021 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
What is the function of an "application pressure gauge"?
What is a modulating control valve?
If air supply drops when driving, the tractor protection valve ________.
You will test that the trailer service brakes are working by:
On large buses low pressure warning devices usually signal at ______.
The converter dolly air tank drain valve on coupled double/triple trailers should be:
A low pressure warning signal could be __________.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
During normal operation, the brakes of the double/triple trailer are controlled by:
The most common type of foundation brake is?
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel?
Automatic air tanks _______.
Before you can supply air to the air tanks of a second trailer you need to:
During a normal drive, the spring brakes are held back by _____.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
When increased application pressure to maintain the same speed becomes necessary, you should ______.
If you have manual transmission _________.
Why should the air hoses connected to the brake chambers be checked?
Where are the brake drums located?
Drivers of doubles and triples must take into greater account: