Free California CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the California CDL double/triple trailer endorsement test, make sure to know it! Our California CDL practice test has the same questions as the real exam which is based on the California CDL Handbook. It covers most of the subject areas on the California 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 California 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 CA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CA CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the function of an "application pressure gauge"?
2.
What is the purpose of an antilock braking system (ABS)?
3.
Automatic slack adjusters ________.
4.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
5.
If air supply drops when driving, the tractor protection valve ________.
6.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
7.
In terms of stability, doubles and triples are:
8.
You will test that the trailer service brakes are working by:
9.
When coupling or uncoupling, trailer or dolly wheel should always be:
10.
What distinguishes a wedge brake from other types of brakes?
11.
Where is compressed air stored?
12.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
13.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
14.
When driving doubles or triples, for safer handling which trailer should be at the rear?
15.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
16.
When checking that air is flowing to all trailers,what is used to provide air to the supply lines?
17.
Why should you never leave your vehicle unattended without applying the parking brakes?
18.
Why should the air hoses connected to the brake chambers be checked?
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.
Drivers of doubles and triples must take into greater account: