Knowledge Test Class B #1
Class B Driving Test | Alabama 2025 #1 Page 4 of 7
Train for FREE online with our Alabama class B 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 AL CDL class B 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 B requirements may vary from state to state.
50
40
20
22 . During a trip, gauges are:
During a trip, you should regularly check the gauge and instrument panels, mirrors, tires, cargo, and lights for signs of trouble.
23 . What should you do if the braking system cannot build up hydraulic pressure?
If your hydraulic braking system will not build up the pressure needed to slow or stop your vehicle, there are a few possible solutions. Try shifting into a lower gear, pumping the brakes, and/or using the emergency brake.
24 . Convex mirrors:
Are illegal to be used in most states.
Many large vehicles have curved, convex mirrors. Convex mirrors allow drivers to see a wider area than flat mirrors. However, they also make objects seem smaller and farther away than they really are.
25 . If the safety relief valve in the air brake system releases air:
An air brake system has a safety relief valve, which releases air from the tanks if the pressure gets too high. If the valve must operate, something in the system is wrong and should be addressed by a mechanic.
26 . When driving through fog, a driver should:
Drive on the shoulder.
If you must drive in fog, you should use your low beam headlights.
27 . During a vehicle inspection, ensure that lug nuts are all of the following, except:
Free of rust.
During a vehicle inspection test, you must ensure that all lug nuts are present, free of cracks and distortions, and showing no signs of looseness, such as rust trails or shiny threads. Verify that all bolt holes are free of cracks and distortions.
28 . How can you avoid becoming drowsy on a trip?
Schedule the trip at night.
Strategies to reduce the risk of fatigue while driving include getting seven to eight hours of sleep beforehand; scheduling trips for the hours during which you are normally awake; planning to take breaks during the trip; and exercising regularly.
See the exact questions that will be on the 2025 Alabama DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2025 Alabama | Frequently Asked Questions
A CDL Class B license in Alabama allows the driver to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 or more pounds, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR. This includes straight trucks, buses, large passenger vehicles, segmented buses, and trucks towing smaller vehicles.
In Alabama, a Class B CDL license permits the operation of single vehicles with a gross vehicle weight rating (GVWR) of 26,001 or more pounds, or towing a vehicle not exceeding 10,000 pounds GVWR. This includes large buses, segmented buses, straight trucks, and trucks towing smaller vehicles such as a small trailer or boat.
To acquire a Class B CDL license in Alabama, applicants must be at least 21 years old (or 18 for intrastate travel), possess a valid Alabama driver's license, pass a vision test, and complete a written knowledge test. They must also complete a skills test in a vehicle representative of the class of CDL they are applying for.
In Alabama, you must be at least 21 years old to qualify for a Class B CDL license for interstate commerce. However, if you only intend to drive within the state (intrastate commerce), you can qualify for a Class B CDL license at 18 years old.
Specific endorsements aren't necessary for a Class B CDL license, but they can provide additional driving privileges. For instance, endorsements for passenger vehicles, school buses, tank vehicles, or hazardous materials can be added to a Class B CDL after passing specific written and skills tests. These endorsements broaden the range of vehicles you can operate.
The Class B CDL skills assessment in Alabama includes three parts: the vehicle inspection test, the basic controls test, and the road test. The vehicle inspection test assesses your ability to determine if your vehicle is safe to drive. The basic controls test evaluates your ability to maneuver and control the vehicle. Lastly, the road test assesses your on-road driving skills.
Yes, Class B CDL license holders in Alabama are limited to operating single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a vehicle towing another vehicle not exceeding 10,000 pounds GVWR. They cannot operate a combination of vehicles (like tractor-trailers) that would require a Class A CDL. Specific endorsements may also be required for certain types of vehicles or loads.
In Alabama, the written Class B CDL test is primarily offered in English. However, some locations may offer the test in Spanish. It's important to note that federal regulations require all commercial drivers to read and speak English sufficiently to communicate with the general public, understand highway traffic signs and signals, and respond to official inquiries.
Yes, you can request test accommodations for the Class B CDL written exam in Alabama if you have a disability. You'll need to provide documentation of your disability and specify the type of accommodation needed. The Alabama Law Enforcement Agency will review your request and determine if the accommodation can be provided without compromising the integrity of the test.
Yes, if you don't pass the Class B CDL written test in Alabama, you can retake it. However, you must wait at least one day before retaking the test. If you fail the test three times, you will need to start the application process over, including paying the necessary fees. It's recommended to study thoroughly to increase your chances of passing on your next attempt.
