Free Mississippi CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Mississippi CDL double/triple trailer endorsement test, make sure to know it! Our Mississippi CDL Practice Test has the same questions as the real exam which is based on the Mississippi 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 Mississippi 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 MS commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MS CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the function of an "application pressure gauge"?
2.
What should you do when the low air pressure warning comes on?
3.
The converter dolly air tank drain valve on coupled double/triple trailers should be:
4.
When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:
5.
When coupling or uncoupling, trailer or dolly wheel should always be:
6.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
7.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
8.
A front brake limiting valve ______.
9.
Automatic air tanks _______.
10.
The most common type of foundation brake is?
11.
During a normal drive, the spring brakes are held back by _____.
12.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
13.
When driving doubles or triples, for safer handling which trailer should be at the rear?
14.
Where is compressed air stored?
15.
What does the air compressor governor control?
16.
If the air compressor does not have its own oil supply, how is it lubricated?
17.
Why should the air hoses connected to the brake chambers be checked?
18.
To apply the parking brakes, you should _______.
19.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
20.
When uncoupling the rear trailer, which of these should be done first?