Knowledge Test Class A #2
Class A Driving Test | Alaska 2025 #2 Page 4 of 7
Train for FREE online with our Alaska class A license 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 CDL class A permit 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 CDL class A requirements may vary from state to state.
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22 . When backing a truck, you should:
Backing a commercial motor vehicle is always dangerous because you cannot see everything behind you. When backing, make frequent checks of the mirrors on both sides of the vehicle. Use a helper whenever possible.
23 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 55 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
24 . When driving a vehicle, rough acceleration is:
When accelerating, speed up smoothly and gradually so your vehicle does not jerk. Rough acceleration can cause mechanical damage.
25 . If another driver is tailgating you, you should:
If you are being tailgated, you should increase the distance between your vehicle and the vehicle ahead. This will reduce your need to make sudden moves, and will also allow the tailgater more room to pass you. Speeding up when being tailgated is not advised because it may result in the tailgater continuing to follow you closely at the higher speed, only increasing the danger.
26 . When experiencing cold weather, be sure to check your vehicle's alcohol evaporator:
An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day.
27 . In a leaf spring:
When inspecting your vehicle's suspension, verify that leaf springs do not have missing or broken leaves. If at least one-fourth of the leaves in a leaf spring are missing, the vehicle will be put out-of-service until the defect is fixed.
28 . What should be done to prevent an engine fire from spreading?
To help stop an engine fire from spreading, turn the engine off as soon as possible.
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.