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 modulating control valve?
2.
What is the function of a stop light switch?
3.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
4.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
5.
In terms of stability, doubles and triples are:
6.
When testing the coupling of the double trailer, the landing gears of the rear trailer should be:
7.
Brake drums should not have cracks longer than what length?
8.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
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.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
11.
Why does a heavily-loaded vehicle take longer to stop than a lightly-loaded vehicle?
12.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
13.
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
14.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
15.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
16.
Water and oil _______.
17.
Why should you drain water from compressed air tanks?
18.
To position the converter dolly over short distances you can:
19.
If the malfunction lamp stays on after the bulb check, __________.
20.
When uncoupling the rear trailer, which of these should be done first?