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.
The part of the combination vehicle most likely to turn over is the:
2.
What is the function of an "application pressure gauge"?
3.
You are driving a 100-foot truck with double trailers at 30 mph. The road is dry, and visibility is good. You should keep at least ______ seconds of space ahead of you.
4.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
5.
How do air-operated disc brakes work?
6.
The converter dolly air tank drain valve on coupled double/triple trailers should be:
7.
A low pressure warning signal could be __________.
8.
When coupling or uncoupling, trailer or dolly wheel should always be:
9.
When uncoupling twin trailers you should park:
10.
The service brake system ________.
11.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
12.
Before you can supply air to the air tanks of a second trailer you need to:
13.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
14.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
15.
What distinguishes a wedge brake from other types of brakes?
16.
Which of the following is the most common reason brakes fade?
17.
Why should you never push the brake pedal down when the spring brakes are on?
18.
Where are the brake drums located?
19.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
20.
If the malfunction lamp stays on after the bulb check, __________.