Free Alaska CDL Double/Triple Trailers Practice Test 2022

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 2022 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
1.
What is the purpose of a front-brake limiting valve?
2.
Automatic slack adjusters ________.
3.
If air supply drops when driving, the tractor protection valve ________.
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.
The most common type of foundation brake is?
8.
Pushing the brake pedal down when the spring brakes are on could _________.
9.
An air compressor can be cooled by _______.
10.
Letting up on the brake pedal _______.
11.
A danger of a malfunctioning tractor protection valve is:
12.
If the air compressor has its own oil supply you should do what before driving?
13.
What distinguishes a wedge brake from other types of brakes?
14.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
15.
When driving doubles or triples, for safer handling which trailer should be at the rear?
16.
When you make an emergency stop, you should _________.
17.
Why should you never push the brake pedal down when the spring brakes are on?
18.
Why do some air brake systems have an alcohol evaporator?
19.
You can test whether the trailer air system is charged by:
20.
The last step to uncouple a converter dolly is: