Free Florida CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the CDL double/triple trailer endorsement test, make sure to know it! Our Florida Double/Triple Trailers Practice Test has the same questions as the real exam which is based on the Florida CDL Handbook. 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 Florida CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our CDL practice test today and pass your CDL endorsement exam! Good luck and keep driving safely!

Our CDL practice tests:
Based on 2022 FL commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
FL 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.
What is the function of a stop light switch?
3.
Automatic slack adjusters ________.
4.
You will test that the trailer service brakes are working by:
5.
After coupling, the air shut-off valves at the back of the first trailer should be:
6.
An air brake is made up of which of the following braking systems?
7.
The service brake system ________.
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.
The most common type of foundation brake is?
10.
If you want to couple a second trailer to your combination vehicle, secure it by using:
11.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
12.
Letting up on the brake pedal _______.
13.
What distinguishes a wedge brake from other types of brakes?
14.
What is a front brake limiting valve?
15.
Why should the air hoses connected to the brake chambers be checked?
16.
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _________.
17.
In dual-air systems the pressure should build to _______.
18.
Why should you not drive your vehicle if the air pressure does not build up quickly enough?
19.
When uncoupling the rear trailer, which of these should be done first?
20.
A visual inspection after coupling should show that: