Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Test questions come from the Kentucky Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.

Kentucky CDL Permit Test - Knowledge Test Class B

If you notice anything affecting the safety or mechanical functioning of your CMV while driving, you should:

During the vehicle inspection test, you will be asked to:

Air tank drains:

If your brakes fail while you are traveling downhill and there is no available escape ramp, you should:

What is the Gross Vehicle Weight Rating (GVWR)?

Water that has collected on a roadway can cause:

While driving, gauges are:

Number of questions:	50
Passing score:	40

Stay quiet and see if the problem goes away.
Make a written report that includes your concerns.
Try to fix it yourself.

Change a tire.
Explain to the examiner what you are inspecting and why.
Estimate the weight of a load on a trailer.

Should not be used in cold weather.
Are helpful to remove water and oil from the air tanks.
Are used to move air to the brakes.