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.
The part of the combination vehicle most likely to turn over is the:
2.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
3.
When connecting converter dolly to the front trailer, support gear should be:
4.
On large buses low pressure warning devices usually signal at ______.
5.
When coupling or uncoupling, trailer or dolly wheel should always be:
6.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
7.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
8.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
9.
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?
10.
If the air compressor has its own oil supply you should do what before driving?
11.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
12.
Where is compressed air stored?
13.
Which of the following is the most common reason brakes fade?
14.
Why should you never leave your vehicle unattended without applying the parking brakes?
15.
What does the air compressor governor control?
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.
What affects the stopping distance for air brakes?
18.
Why should you not drive your vehicle if the air pressure does not build up quickly enough?
19.
Vehicles with air brakes have pressure gauges connected to the _______.
20.
A converter dolly is used: