Knowledge Test Class B #1
Class B Driving Test | Kentucky 2025 #1 Page 4 of 7
Train for FREE online with our Kentucky 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 KY 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.
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22 . The air compressor is connected to the:
The air compressor of an air brake system is connected to the engine through gears or a v-belt. The compressor may be air-cooled or cooled by the engine cooling system.
23 . Driving a CMV with a minimum blood alcohol content (BAC) of ____ will result in license disqualification for a minimum of one year.
It is illegal to operate a commercial motor vehicle if your blood alcohol content (BAC) is 0.04 percent or higher. Doing so will result in the disqualification of your CDL for one year. A second conviction will result in disqualification for life.
24 . If an unusual noise or feeling occurs in a vehicle while it is being driven, the driver should:
If you see, hear, smell, or feel anything while driving that does not feel right, you should have it checked out.
25 . Which of the following is acceptable if found during a pre-trip inspection?
When inspecting your tires, verify that there is at least 4/32 of an inch of tread depth in every major groove on the front tires, and tread depth of at least 2/32 of an inch on the other tires. Tires on the same vehicle should all be the same size.
26 . Which of the following is not a sign of tire failure?
If you experience tire failure, you may hear the loud "bang" sound of a blowout or feel a heavy thumping or vibration in your vehicle. If steering begins to feel heavy, or if the rear of your vehicle begins to fishtail, you should stop to check your tires.
27 . If your license for your personal vehicle is suspended:
If you are convicted of any traffic violations while driving any vehicle, you must notify your employer within 30 days of the conviction. This rule excludes parking violations.
28 . When completing an offset back/right parking maneuver, you should:
If you are asked to complete an offset back/right parking maneuver, you should first pull straight forward, then back up to the right. Your vehicle must be parked completely within the boundaries of the parking space.
See the exact questions that will be on the 2025 Kentucky DMV exam.
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2025 Kentucky | Frequently Asked Questions
A CDL Class A license in Kentucky allows drivers to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more, provided the towed vehicle is heavier than 10,000 lbs. This typically includes tractor-trailers, truck and trailer combinations, flatbeds, livestock carriers, and tank vehicles.
A Class A CDL license in Kentucky permits the operation of vehicles such as tractor-trailers, truck and trailer combinations, tanker vehicles, livestock carriers, and flatbeds. Essentially, it allows you to drive any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more where the towed vehicle is over 10,000 lbs.
To obtain a Class A CDL license in Kentucky, applicants must be at least 18 years old for intrastate driving and 21 for interstate. They must pass a vision test, hold a regular driver's license, complete a CDL General Knowledge test and any relevant endorsement tests. A skills test in the vehicle type that the driver's license will be issued for is also required.
In Kentucky, you must be at least 18 years old to qualify for a Class A Commercial Driver's License (CDL) for intrastate driving (within Kentucky only). However, to drive across state lines or handle hazardous materials, you must be at least 21 years old.
Endorsements are not required for a Class A CDL license, but they can expand your driving capabilities. For example, a Hazardous Materials (H) endorsement allows you to haul hazardous materials, while a Tank Vehicle (N) endorsement lets you drive tank vehicles. Obtaining these endorsements requires additional knowledge and skills tests.
The Class A CDL skills test in Kentucky encompasses three parts: a vehicle inspection test, a basic controls test, and a road test. The vehicle inspection test checks your ability to assess the safety of your vehicle. The basic controls test evaluates your ability to maneuver and control the vehicle. The road test assesses your on-road driving skills.
Yes, Class A CDL license holders in Kentucky may face limitations based on their specific endorsements or restrictions. For instance, if you lack a passenger or school bus endorsement, you're prohibited from driving those vehicles. Also, if you have an air brake restriction, you cannot operate vehicles with air brakes. Other restrictions may apply based on medical evaluations or driving tests.
In Kentucky, the written Class A CDL test is primarily administered in English. However, some locations may offer the test in Spanish. It's important to note that all drivers must understand English to a degree that allows them to communicate with officials and read road signs, as per federal regulations.
Yes, you can request accommodations for the Class A CDL written test in Kentucky if you have a disability. Contact the Kentucky Division of Driver Licensing and provide documentation of your disability. They will guide you through the process to ensure your testing environment meets your needs. Accommodations may include extra time, a separate room, or assistive technology.
Yes, if you fail the Class A CDL written test in Kentucky, you can retake it. There is a waiting period of one day before you can try again. You will need to pay the testing fee each time. It's recommended to study the CDL manual thoroughly before your next attempt to increase your chances of passing.
