Knowledge Test Class A #2
Class A Driving Test | Alaska 2025 #2 Page 5 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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29 . What can happen if the exhaust system is not working properly?
Leaks in an exhaust system are extremely dangerous because they may allow toxic fumes into the cab or sleeper berth, endangering drivers and passengers.
30 . The leakage rate for a triple combination vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
When performing a static leakage test on a triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one minute. If the air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
31 . The two indicators that determine when you should upshift are:
There are two indicators that determine when you need to shift into a higher gear. One indicator is the engine speed (rpm). You should read your vehicle's manual to learn its rpm range and shift up when you reach the top of that range. The other indicator is road speed (mph). You should learn which speeds each gear can accommodate, then keep an eye on the speedometer and shift up as needed.
32 . When stopping, the brake pedal should be:
When stopping, it is best to gradually press down the brake pedal.
33 . Dry bulk tanks:
Driving with dry bulk tanks requires special care because they usually have high centers of gravity. It is also important for drivers to be prepared for the contents to shift in transit.
34 . For safety purposes, when should you turn off a retarder?
Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. However, using a retarder may cause wheels to skid when they have poor traction. Turn off retarders when traveling under wet, snowy, or icy conditions.
35 . What is brake lag?
Because air takes time to flow through the air lines to the brakes, air brakes cannot begin working instantly. There is often a brake lag of at least one-half of a second between the moment the brake pedal is pressed and the moment the brakes begin to work.
2025 Alaska | Frequently Asked Questions
To acquire a Commercial Driver’s License (CDL) Tank endorsement in Alaska, you must first have a valid Alaska CDL. Then, study the Tank Vehicle section of the Alaska CDL manual, and pass the written knowledge test at your local DMV office. The endorsement will be added to your CDL upon successful completion of the test.
To obtain a Commercial Driver's License (CDL) Tank endorsement, you must first possess a valid CDL. It's essential to study the Tank Vehicle section of your state's CDL manual thoroughly. Afterwards, you'll need to pass a written knowledge test at your local Department of Motor Vehicles (DMV). Once you've successfully passed the test, the endorsement is added to your CDL.
While Alaska does not require specific training or experience for a CDL Tank endorsement, it's crucial to study the Tank Vehicle section of the Alaska CDL manual. You must pass a written knowledge test about tank vehicle safety, operations, and regulations. However, practical experience or training can be beneficial to pass the test and operate tank vehicles safely.
Yes, to obtain a CDL Tank endorsement in Alaska, you are required to pass an additional written test. This test is specifically designed to assess your knowledge of the safe operation of tank vehicles. The Alaska Commercial Driver License Manual provides useful information to help prepare for this test.
The written test for the CDL Tank endorsement covers various subjects relating to tank vehicles. Topics include inspecting tank vehicles, safe driving practices, managing the vehicle's weight, handling bulk packages of liquids or gases, and emergency procedures. Understanding these areas is crucial for safely operating a tank vehicle and passing the test.
The CDL Tank endorsement assessment is primarily a written test, focusing on knowledge rather than specific maneuvers. It evaluates your understanding of inspecting tank vehicles, safe driving practices, weight management, handling of liquid or gas bulk packages, and emergency procedures. However, general CDL tests will assess your practical driving skills and maneuvers.
Yes, there are limitations for drivers with a CDL Tank endorsement. They can only operate commercial motor vehicles designed to transport any liquid or gaseous materials within a tank. Also, they must comply with specific safety regulations regarding the handling and transportation of hazardous materials. Any violation of these rules can result in the suspension or revocation of the endorsement.
No, a valid Commercial Driver's License (CDL) with a Tank endorsement is required to transport liquid or gaseous materials in a tank vehicle. This endorsement ensures that drivers have the necessary knowledge and skills to handle such materials safely. Driving without the proper endorsement can result in serious penalties, including fines and license suspension.
You can add a CDL Tank endorsement to your existing Commercial Driver's License. However, you'll need to pass the tanker endorsement test, which covers specific regulations and safety measures for transporting liquid or gaseous materials. You don't need to apply for a new CDL, but there will be fees associated with adding an endorsement.
Yes, to handle hazardous materials with a CDL Tank endorsement, you must also obtain a Hazardous Materials (HazMat) endorsement. This involves passing a written test on the Federal Hazardous Materials Regulations and a TSA security threat assessment. These ensure you understand the safety procedures and risks associated with transporting hazardous materials.