Free Arizona CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Arizona CDL double/triple trailer endorsement test, make sure to know it! Our Arizona CDL practice test pack has the same questions as the real exam which is based on the Arizona 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 Arizona 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 2022 AZ commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
AZ 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 a modulating control valve?
3.
Which is true when checking air flow to all trailers?
4.
When checking the low pressure warning signal, it should turn on before the pressure drops below what psi?
5.
Automatic slack adjusters ________.
6.
In terms of stability, doubles and triples are:
7.
When connecting converter dolly to the front trailer, support gear should be:
8.
On large buses low pressure warning devices usually signal at ______.
9.
The braking power of the spring brakes ______.
10.
An air brake is made up of which of the following braking systems?
11.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
12.
You are driving a set of doubles and a set of trailer wheels goes into a skid. Which of these is most likely to occur?
13.
How should the air leakage rate be tested?
14.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
15.
Why does a heavily-loaded vehicle take longer to stop than a lightly-loaded vehicle?
16.
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
17.
Why should air tanks be drained completely?
18.
When you make an emergency stop, you should _________.
19.
In dual-air systems the pressure should build to _______.
20.
The pintle hook should never be unlocked when: