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.
What is the purpose of a modulating control valve?
2.
What is the "cut-in" pressure for most air compressor governors?
3.
Which is true when checking air flow to all trailers?
4.
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.
5.
The most efficient way to drive down a long grade is to ________.
6.
When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:
7.
After coupling, the air shut-off valves at the back of the first trailer should be:
8.
How often should alcohol containers be checked during cold weather?
9.
Brake linings should not be _______.
10.
A front brake limiting valve ______.
11.
Brake drums should not have cracks longer than what length?
12.
Air tanks need to be drained ______.
13.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
14.
Before you can supply air to the air tanks of a second trailer you need to:
15.
Why should you check the brake adjustment often?
16.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
17.
A safe speed on a curve for a smaller commercial vehicle:
18.
Water and oil _______.
19.
In dual-air systems the pressure should build to _______.
20.
To position the converter dolly over short distances you can: