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 "cut-in" pressure for most air compressor governors?
2.
What should you do when the low air pressure warning comes on?
3.
What is a modulating control valve?
4.
When coupling, correct trailer height should:
5.
On large buses low pressure warning devices usually signal at ______.
6.
How do air-operated disc brakes work?
7.
The most efficient way to drive down a long grade is to ________.
8.
Air brakes take longer to stop than hydraulic brakes because _______.
9.
How often should alcohol containers be checked during cold weather?
10.
An air brake is made up of which of the following braking systems?
11.
When the safety valve releases air this indicates ___________.
12.
After coupling the converter dolly to the first trailer, the pintle hook should be:
13.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
14.
What is a front brake limiting valve?
15.
If you have manual transmission _________.
16.
Why should you never push the brake pedal down when the spring brakes are on?
17.
Why do some air brake systems have an alcohol evaporator?
18.
You can test whether the trailer air system is charged by:
19.
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?
20.
The last step to uncouple a converter dolly is: