Combination #1
Combination Vehicles Practice Test | Hawaii 2025 #1 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 . A trailer that is too high:
Before coupling together a tractor and a trailer, you should make sure the trailer is at the proper height. If the trailer is too low, the trailer nose may be damaged. If the trailer is too high, it may not be able to couple correctly.
16 . Trailers with low underneath clearance can present challenges when driving over:
Railroad-highway crossings may be difficult to cross when pulling a trailer with a low underneath clearance. In particular, both low-slung units and single-axle tractors pulling long trailers are especially challenging to drive over raised crossings.
17 . In an empty combination vehicle, the stiff suspension springs and strong brakes will have:
An empty combination vehicle will come to a complete stop more slowly than a fully-loaded vehicle. With less weight in a trailer, the stiff suspension springs and strong brakes will have lower traction than they would if the vehicle carried more weight.
18 . 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.
19 . 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.
20 . The emergency air line supplies air to the:
The emergency air line (also known as the supply line) has two functions. The first is to supply air to the trailer air tanks, and the second is to control the emergency brakes on combination vehicles.
See the exact questions that will be on the 2025 Hawaii DMV exam.
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2025 Hawaii | Frequently Asked Questions
A Commercial Driver's License (CDL) Class B in Hawaii allows the holder to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds GVWR. This includes buses, farm labor vehicles, and any combination of vehicles not defined in Class A or Class C.
A Class B CDL license in Hawaii allows the holder to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, and any such vehicle towing another not exceeding 10,000 pounds. Examples include straight trucks, large buses, segmented buses, box trucks, dump trucks with small trailers, and tractor-trailers.
To acquire a Class B CDL license in Hawaii, applicants must be at least 21 years old (18 for intrastate driving), possess a valid Hawaii driver's license, pass a vision test, and successfully complete both a knowledge test and a skills test. Applicants must also provide proof of U.S. citizenship or lawful permanent residency and meet medical requirements.
To qualify for a Class B CDL license in Hawaii, you must be at least 21 years old. This age requirement is standard across the United States and is set by the Federal Motor Carrier Safety Administration. It's important to meet this age requirement before beginning the process of obtaining a Class B CDL.
While not always required, specific endorsements may be necessary for a Class B CDL license in Hawaii depending on the type of vehicle you plan to operate or the cargo you will be transporting. Examples include a passenger endorsement for buses, a school bus endorsement for school buses, or a hazardous materials endorsement for transporting hazardous materials.
The Class B CDL skills assessment in Hawaii includes three parts: a pre-trip vehicle inspection to test your ability to assess the safe operation of the vehicle, a basic control skills test to evaluate your handling of the vehicle, and an on-road driving test to assess your ability to safely operate the vehicle in various traffic situations.
Yes, Class B CDL license holders in Hawaii are limited to driving single vehicles with a gross vehicle weight rating of 26,001 or more pounds, or any such vehicle towing a vehicle not exceeding 10,000 pounds. They are not allowed to drive a combination of vehicles (like a tractor-trailer) unless they hold a Class A CDL.
In Hawaii, the written Class B Commercial Driver's License (CDL) test is typically administered in English. However, some testing centers may offer the test in other languages. It's advised to contact your local testing center directly to inquire about language options. Remember, Federal regulations require all CDL holders to read and speak English proficiently.
Yes, you can request accommodations for the Class B CDL written exam in Hawaii if you have a disability. The specific process and types of accommodations available may vary, so it's best to contact the Hawaii Department of Transportation directly to discuss your needs and learn about the available options.
Yes, if you don't pass the Class B CDL written test in Hawaii, you can retake it. You must wait a minimum of one week before retesting. There may be a retesting fee, and if you fail three times, you'll need to start the application process over again. Always check with your local DMV for specific rules and regulations.
