Combination #2
Combination Vehicles Practice Test | Alaska 2025 #2 Page 2 of 3
Train for FREE online with our Alaska 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 AK 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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8 . If an air supply control is in its "emergency" position:
Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "emergency" position, the air supply will be stopped and the trailer emergency brakes will be applied.
9 . A tractor protection valve:
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
10 . If your vehicle gets stuck on railroad tracks, you should:
If your vehicle gets stuck on railroad tracks for any reason, you should immediately exit the vehicle and walk away from the tracks. Contact the proper emergency authorities.
11 . What is a tractor protection valve?
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
12 . 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.
13 . The tractor protection valve:
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
14 . Before beginning a trip, you should:
Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves and listening for escaping air. Close both shut-off valves before beginning to drive.
See the exact questions that will be on the 2025 Alaska DMV exam.
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2025 Alaska | Frequently Asked Questions
A CDL Class B license in Alaska allows the holder to operate any single vehicle with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing a vehicle not exceeding 10,000 pounds GVWR. This typically includes commercial buses, dump trucks, delivery trucks, and garbage trucks.
A Class B CDL license in Alaska allows the holder to operate vehicles such as city buses, tour buses, segmented buses, delivery trucks, dump trucks with small trailers, and garbage trucks. It's valid for any single vehicle with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or such vehicle towing a vehicle not exceeding 10,000 pounds GVWR.
To acquire a Class B CDL license in Alaska, you must be at least 18 years old (21 for interstate driving), possess a valid Alaska driver's license, pass a vision test, and successfully complete a general knowledge test. You must also pass a skills test in the type of vehicle you plan to drive, which includes a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving exam.
In Alaska, you must be at least 18 years old to qualify for a Class B CDL license for intrastate driving (within state borders). However, you must be at least 21 years old to engage in interstate driving (across state lines) or to transport hazardous materials.
While not always necessary, specific endorsements may be required for a Class B CDL license depending on the type of vehicle you plan to drive or the cargo you plan to transport. These could include endorsements for passenger vehicles, school buses, tank vehicles, or hazardous materials. Each endorsement requires passing a separate knowledge test and sometimes a skills test.
The Class B CDL skills test in Alaska encompasses three main areas: pre-trip vehicle inspection, basic vehicle control, and on-road driving. The pre-trip inspection examines your ability to assess your vehicle's safety. Basic vehicle control tests your ability to handle, turn, and stop the vehicle. On-road driving assesses your ability to drive safely in traffic.
Yes, Class B CDL license holders in Alaska are limited to operating vehicles weighing more than 26,001 pounds or towing vehicles weighing less than 10,000 pounds. They can also operate buses with a seating capacity of 24 passengers or more. However, they cannot drive Class A vehicles unless they have the appropriate endorsements and additional training.
In Alaska, the written Class B CDL test is primarily administered in English, in accordance with federal regulations. This is to ensure that all commercial drivers can read and understand traffic signs, signals, and other driving materials in English. Therefore, it's not typically offered in other languages.
Yes, you can request accommodations for the Class B CDL written exam if you have a disability. The Alaska DMV is committed to providing reasonable accommodations under the Americans with Disabilities Act. You'll need to provide documentation of your disability and specify your needed accommodations. It's recommended to make this request well in advance of your test date.
If you don't pass the Class B CDL written test in Alaska, you can retake it. However, you must wait at least one day before retesting. Keep in mind, there may be additional fees for each retest. It’s also recommended to study thoroughly and possibly seek additional training before attempting the test again.
