Free Kentucky CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Kentucky CDL double/triple trailer endorsement test, make sure to know it! Our Kentucky CDL Practice Test has the same questions as the real exam which is based on the KY 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 Kentucky 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 KY commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
KY CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
When checking the low pressure warning signal, it should turn on before the pressure drops below what psi?
2.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
3.
How can you be sure you supplied air to a second trailer?
4.
The converter dolly air tank drain valve on coupled double/triple trailers should be:
5.
During normal operation, the brakes of the double/triple trailer are controlled by:
6.
If the dolly has spring brakes, release them with:
7.
How do you check the low pressure warning signal?
8.
Pushing the brake pedal down when the spring brakes are on could _________.
9.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
10.
What distinguishes a wedge brake from other types of brakes?
11.
Letting up on the brake pedal _______.
12.
After coupling the converter dolly to the first trailer, the pintle hook should be:
13.
When checking that air is flowing to all trailers,what is used to provide air to the supply lines?
14.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
15.
If the air compressor does not have its own oil supply, how is it lubricated?
16.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
17.
Why should you never push the brake pedal down when the spring brakes are on?
18.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
19.
You can test whether the trailer air system is charged by:
20.
A visual inspection after coupling should show that: