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.
The part of the combination vehicle most likely to turn over is the:
2.
What is a modulating control valve?
3.
If air supply drops when driving, the tractor protection valve ________.
4.
When driving a truck with more than one trailer, which trailer should be first behind the truck?
5.
You are driving a 100-foot truck with double trailers at 30 mph. The road is dry, and visibility is good. You should keep at least ______ seconds of space ahead of you.
6.
In terms of stability, doubles and triples are:
7.
A low pressure warning signal could be __________.
8.
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:
9.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
10.
Air tanks need to be drained ______.
11.
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?
12.
Pushing the brake pedal down when the spring brakes are on could _________.
13.
Letting up on the brake pedal _______.
14.
When the safety valve releases air this indicates ___________.
15.
Why should you never push the brake pedal down when the spring brakes are on?
16.
Water and oil _______.
17.
Why do some air brake systems have an alcohol evaporator?
18.
To position the converter dolly over short distances you can:
19.
When inspecting doubles and triples shut-off valves, which of the following is true?
20.
A converter dolly is used: