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 proper braking technique for drivers travelling down a hill or any other downgrade?
2.
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.
3.
When connecting converter dolly to the front trailer, support gear should be:
4.
When testing the coupling of the double trailer, the landing gears of the rear trailer should be:
5.
After coupling, the air shut-off valves at the back of the first trailer should be:
6.
When uncoupling twin trailers you should park:
7.
Brake drums should not have cracks longer than what length?
8.
The air compressor should pump air starting at what psi?
9.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
10.
How do you check the low pressure warning signal?
11.
The service brake system ________.
12.
Air tanks need to be drained ______.
13.
Why does a heavily-loaded vehicle take longer to stop than a lightly-loaded vehicle?
14.
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
15.
When you make an emergency stop, you should _________.
16.
To apply the parking brakes, you should _______.
17.
What does the air compressor governor control?
18.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
19.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
20.
The pintle hook should never be unlocked when: