Free Louisiana CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Louisiana CDL double/triple trailer endorsement test, make sure to know it! Our Louisiana CDL Practice Test has the same questions as the real exam which is based on the Louisiana CDL Book. 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 Louisiana 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 LA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
LA CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the purpose of an antilock braking system (ABS)?
2.
Which is true when checking air flow to all trailers?
3.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
4.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
5.
How often should alcohol containers be checked during cold weather?
6.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
7.
The most common type of foundation brake is?
8.
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?
9.
During a normal drive, the spring brakes are held back by _____.
10.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
11.
A danger of a malfunctioning tractor protection valve is:
12.
After coupling the converter dolly to the first trailer, the pintle hook should be:
13.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
14.
If you have manual transmission _________.
15.
When performing the controlled braking method for an emergency stop, you are _________.
16.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
17.
What affects the stopping distance for air brakes?
18.
To position the converter dolly over short distances you can:
19.
Drivers of doubles and triples must take into greater account:
20.
A converter dolly is used: