Free Hawaii CDL Double/Triple Trailers Practice Test 2023

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 2021 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
What is proper braking technique for drivers travelling down a hill or any other downgrade?
When coupling, correct trailer height should:
If air supply drops when driving, the tractor protection valve ________.
When connecting converter dolly to the front trailer, support gear should be:
How do air-operated disc brakes work?
You will test that the trailer service brakes are working by:
With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:
After coupling, the air shut-off valves at the back of the first trailer should be:
At 55 mph on dry pavement, the air brake lag distance is how many feet?
Air tanks need to be drained ______.
During normal operation, the brakes of the double/triple trailer are controlled by:
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
The service brake system ________.
What distinguishes a wedge brake from other types of brakes?
When driving doubles or triples, for safer handling which trailer should be at the rear?
Vehicles without automatic air tank drains need to be checked manually to remove ________?
When increased application pressure to maintain the same speed becomes necessary, you should ______.
If you have manual transmission _________.
Where are the brake drums located?
When inspecting doubles and triples shut-off valves, which of the following is true?