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Tank Endorsement Test | Alaska 2025 #1 Page 3 of 3
Train for FREE with our Alaska tank endorsement practice test online. 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 tank 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 CDL tank vehicle endorsement may vary from state to state.
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15 . If traveling at 55 mph on dry pavement, your minimum braking distance will be close to:
Your vehicle's stopping distance can be calculated by adding together your perception distance, your reaction distance, and your vehicle's braking distance. When traveling on dry pavement with brakes that are in good condition, your braking distance will be about 216 feet.
16 . On a shipping paper describing both hazardous and non-hazardous materials, the hazardous materials may be identified by being:
If a shipping paper includes information about both hazardous and non-hazardous materials, the hazardous items must be clearly identified on the paper. They may be entered first, highlighted in a contrasting color, or identified with an "X" placed before the shipping description.
17 . Most heavy vehicles use the ____ method when changing gears.
Most heavy vehicles with unsynchronized manual transmissions require double clutching to change gears.
18 . How can you check hydraulic brakes?
Check hydraulic brakes by pumping the brake pedal three times before applying firm pressure to the pedal for five seconds. The pedal should not move. If it does, there may be a leak or some other problem in the braking system.
19 . Hydroplaning:
If there is enough water on the road, hydroplaning can occur at speeds as low as 30 mph. It is most likely if the tires' air pressure is too low or if tires' tread is worn.
20 . If the brakes pull to one side or the other when used:
If the brakes pull to one side or the other when used, it is an indication of brake trouble.
2025 Alaska | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Alaska, you must first have a Commercial Driver's License (CDL). Then, study the Alaska CDL Manual section on Doubles and Triples. After studying, take the written knowledge test at any DMV office. Once you pass, you'll get your endorsement. Remember, you must also pass a TSA background check.
To obtain a CDL Doubles/Triples license, you need to have a basic Commercial Driver's License (CDL). Then, study for the Doubles/Triples endorsement test using your state's CDL manual. Once prepared, schedule and pass the written test at your local DMV. You must also successfully complete a TSA background check to receive the endorsement.
While no specific specialized experience or training is legally required for a CDL Doubles/Triples endorsement, it's highly recommended to study the relevant sections in the CDL manual. This ensures that you understand the safety regulations and operating procedures for these larger vehicles. Some drivers also opt for professional training courses to gain practical experience.
Yes, to obtain a CDL Doubles/Triples endorsement, you must pass the Doubles/Triples Endorsement Knowledge Test. This written exam covers specific topics related to operating a vehicle with double or triple trailers. It's crucial to prepare for this test, often through studying a CDL manual or taking a preparatory course. Once you pass the test, you can add the endorsement to your CDL.
The CDL Doubles/Triples endorsement test is typically a written test, not a skills test. It focuses on knowledge rather than physical maneuvers. You'll need to understand coupling and uncoupling, inspecting doubles and triples, and managing the vehicles on the road. However, gaining practical experience with these skills is beneficial for real-world application.
No, it is not permissible. Operating double or triple trailers requires a specific set of skills and knowledge for safe driving. Therefore, drivers are required to have a Commercial Driver's License (CDL) with a Doubles/Triples endorsement. Driving without the appropriate license or endorsement can lead to legal penalties, including fines and potential suspension of your driving privileges.
You can add the CDL Doubles/Triples endorsement to your existing commercial driver's license. You don't need to start a new application for a fresh license. However, you will need to pass the required written knowledge test for the Doubles/Triples endorsement and pay the applicable fees to have it added to your current CDL.
Yes, there are limitations. If you have a CDL Doubles/Triples endorsement, you're only allowed to operate vehicles that are double or triple trailers. You cannot operate other types of commercial vehicles unless you have the appropriate endorsements. Additionally, you must follow all federal and state regulations regarding maximum weight and length of your combined trailers.
The maximum weight for double/triple trailers varies by state and type of roadway, but generally, it's up to 80,000 pounds. The maximum length for each trailer is typically 28.5 feet for doubles and 28 feet for triples. However, the total length can't exceed 75 feet in most states. You should check with Alaska's specific regulations for the most accurate information.
Yes, there are specific safety guidelines for driving double/triple trailers. These include proper coupling and uncoupling of trailers, checking the coupling system regularly during a trip, maintaining safe following distances, and understanding the high rollover risk. Drivers must also comply with speed limits, weight restrictions and ensure they have the correct endorsement on their CDL.