Free Rhode Island CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the CDL double/triple trailer endorsement test, make sure to know it! Our RI CDL Practice Test has the same questions as the real exam which is based on the RI 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 Rhode Island 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 RI commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
RI 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.
To test the tractor protection valve, the engine needs to be:
3.
If air supply drops when driving, the tractor protection valve ________.
4.
Air brakes take longer to stop than hydraulic brakes because _______.
5.
When connecting converter dolly to the front trailer, support gear should be:
6.
A low pressure warning signal could be __________.
7.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
8.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
9.
Brake linings should not be _______.
10.
The service brake system ________.
11.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
12.
A danger of a malfunctioning tractor protection valve is:
13.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
14.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
15.
When checking that air is flowing to all trailers,what is used to provide air to the supply lines?
16.
What is a front brake limiting valve?
17.
In dual-air systems the pressure should build to _______.
18.
If the malfunction lamp stays on after the bulb check, __________.
19.
You can test whether the trailer air system is charged by:
20.
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?