Free Kentucky CDL Double/Triple Trailers Practice Test 2023

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 2021 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
What is the purpose of an antilock braking system (ABS)?
When testing the coupling of the double trailer, the landing gears of the rear trailer should be:
You will test that the trailer service brakes are working by:
The increased likelihood of doubles and triples turning over is called:
An air brake is made up of which of the following braking systems?
Which of these statements about quick steering movements and doubles/triples is true?
How should the air leakage rate be tested?
A danger of a malfunctioning tractor protection valve is:
When the safety valve releases air this indicates ___________.
The tractor protection valve should pop out when air pressure falls to:
When driving doubles or triples, for safer handling which trailer should be at the rear?
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
Wedge brakes and disc brakes are ______ than s-cam brakes.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
Why should air tanks be drained completely?
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
Where are the brake drums located?
Why should you drain water from compressed air tanks?
Drivers of doubles and triples must take into greater account: