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.
The part of the combination vehicle most likely to turn over is the:
2.
What should you do when the low air pressure warning comes on?
3.
What is a modulating control valve?
4.
Which is true when checking air flow to all trailers?
5.
On large buses low pressure warning devices usually signal at ______.
6.
The braking power of the spring brakes ______.
7.
A low pressure warning signal could be __________.
8.
Automatic adjusters should ________.
9.
An air brake is made up of which of the following braking systems?
10.
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
11.
During a normal drive, the spring brakes are held back by _____.
12.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
13.
The tractor protection valve should pop out when air pressure falls to:
14.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
15.
Where is compressed air stored?
16.
Which of the following is the most common reason brakes fade?
17.
Why should air tanks be drained completely?
18.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
19.
In dual-air systems the pressure should build to _______.
20.
What affects the stopping distance for air brakes?