Free Alaska CDL Double/Triple Trailers Practice Test 2023

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 Alaska Double/Triple Trailers Practice Test has the same questions as the real exam which is based on the Alaska DMV 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 Alaska CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Alaska CDL practice test today and pass your CDL endorsement exam! Good luck and keep driving safely!

Our CDL practice tests:
Based on 2021 AK commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AK 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 coupling, correct trailer height should:
When connecting converter dolly to the front trailer, support gear should be:
After coupling, the air shut-off valves at the back of the first trailer should be:
To check if the converter dolly is securely coupled to the rear trailer you should:
How often should alcohol containers be checked during cold weather?
Brake linings should not be _______.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
The increased likelihood of doubles and triples turning over is called:
At 55 mph on dry pavement, the air brake lag distance is how many feet?
The service brake system ________.
Air tanks need to be drained ______.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
If you have manual transmission _________.
What is a front brake limiting valve?
Where are the brake drums located?
When inspecting doubles and triples shut-off valves, which of the following is true?
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
A visual inspection after coupling should show that: