Combination #2
Combination Vehicles Practice Test | Hawaii 2025 #2 Page 3 of 3
Train for FREE online with our Hawaii CDL combination vehicle test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a HI combination license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a combination license may vary from state to state.
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15 . Watching the road ahead:
Making a sudden lane change can be dangerous while driving a combination vehicle. You can avoid the need to make a sudden lange change by looking down the road for upcoming obstacles that will require you to change lanes.
16 . What is a bobtail tractor?
Tractors without semi-trailers are referred to as "bobtail tractors." Bobtail tractors are difficult to operate and drivers must exercise caution.
17 . Operating combination vehicles usually requires ____ operating single vehicles.
Combination vehicles are usually heavier and longer than single combination vehicles. Operating a combination vehicle requires a higher level of driving skill than operating a single commercial vehicle.
18 . Trailers built before ____ are not required to have spring brakes.
Trailers built before 1975 are not required to have spring brakes. When parking a trailer without spring brakes, be sure to use wheel chocks to prevent the trailer from rolling.
19 . Which of the following will not help prevent a rig from rolling over?
To help prevent a rig from rolling over, you should keep the weight of the cargo as close to the ground as possible when loading. You should also drive slowly around turns.
20 . Keeping cargo low can:
Rollovers can happen when a combination vehicle is turned too quickly. To help prevent the risk of rollover, it is important to keep the vehicle's center of gravity low by loading cargo as close to the ground as possible.
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2025 Hawaii | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Hawaii, you first need a valid Hawaii CDL. Then, study the Hawaii CDL Manual's section on Doubles and Triples. Schedule and pass the written knowledge test at a local DMV office. The test covers information regarding coupling and uncoupling, inspecting doubles and triples, and handling these vehicles.
To obtain a CDL Doubles/Triples license, you first need a valid Commercial Driver's License (CDL). Then, you must study the relevant sections of the CDL manual, focusing on handling and inspecting doubles and triples. After studying, schedule and pass the written knowledge test at your local DMV. This test covers coupling and uncoupling, inspecting, and handling these types of vehicles.
While no specific prior experience is mandated for a CDL Doubles/Triples endorsement, it's crucial to thoroughly study the relevant sections in the CDL manual. This prepares you for the written knowledge test at your local DMV. Practical training or experience driving these vehicles can be beneficial, but it's not a pre-requisite. The key is passing the knowledge test.
Yes, to obtain a CDL Doubles/Triples endorsement, you must pass an additional written knowledge test. This test focuses on specifics of handling and inspecting double and triple trailers. The content for the test can be found in the CDL manual, particularly in sections dealing with coupling/uncoupling and inspecting these types of vehicles.
The CDL Doubles/Triples endorsement test in Hawaii is a written examination, not a skills test. It will cover knowledge on coupling and uncoupling, inspecting doubles and triples, and checking air brakes. However, you won't need to perform any specific maneuvers or showcase driving skills. It's advisable to study the Hawaii CDL manual thoroughly before taking the test.
No, it's not permissible. Operating double or triple trailers requires a valid CDL with a Doubles/Triples endorsement. This endorsement signifies that you've passed the required knowledge test and are competent to handle these types of vehicles. Without it, you're legally not allowed to drive double or triple trailers in Hawaii or any other state.
Yes, you can append the CDL Doubles/Triples endorsement to your current license. You don't need to initiate a new application for the entire license. However, you will need to pass the Doubles/Triples knowledge test and pay any associated fees. Once you've successfully completed these steps, the endorsement will be added to your existing CDL.
Yes, there are constraints for drivers with a CDL Doubles/Triples endorsement in Hawaii. The driver must be at least 21 years old to drive interstate. Also, they must have a clean driving record, pass a medical examination every two years, and complete required training. Furthermore, the endorsement only allows for the operation of doubles and triples trailers, not other commercial vehicles unless specified on the CDL.
In Hawaii, the maximum legal weight for a vehicle is 80,000 pounds. The maximum length for a double trailer is 61 feet for the two trailers, but the overall length of the truck and trailers combined is not to exceed 65 feet. Triple trailers are not allowed in Hawaii. Always check specific state regulations as they can vary.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. These include proper coupling and uncoupling of units, inspecting the coupling system regularly, maintaining safe following distance, and understanding the high rollover risk. They must also be aware of the "crack-the-whip" effect, which can cause the last trailer to swing out and potentially tip over.
