Free Hawaii 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 Hawaii Double/Triple Trailers Practice Test has the same questions as the real exam which is based on the Hawaii 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 CDL practice test 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 practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Hawaii CDL practice test today and pass your CDL endorsement exam! Good luck and keep driving safely!

Our CDL practice tests:
Based on 2022 HI commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
HI 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 purpose of a front-brake limiting valve?
3.
Automatic slack adjusters ________.
4.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
5.
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.
6.
Air brakes take longer to stop than hydraulic brakes because _______.
7.
On large buses low pressure warning devices usually signal at ______.
8.
When coupling or uncoupling, trailer or dolly wheel should always be:
9.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
10.
A front brake limiting valve ______.
11.
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel?
12.
How should the air leakage rate be tested?
13.
After coupling the converter dolly to the first trailer, the pintle hook should be:
14.
Why should you never leave your vehicle unattended without applying the parking brakes?
15.
Which of the following is the most common reason brakes fade?
16.
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?
17.
A safe speed on a curve for a smaller commercial vehicle:
18.
In dual-air systems the pressure should build to _______.
19.
What affects the stopping distance for air brakes?
20.
Vehicles with air brakes have pressure gauges connected to the _______.