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Hydroplaning.
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Acceleration.
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Stopping.
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Kentucky CDL Permit Test - Knowledge Test Class B
(From the 2021 Kentucky CDL driver handbook)
| Number of questions: | 50 |
| Passing score: | 40 |
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.
Passing grade —
10 or fewer errors
advertising
1.
Water that has collected on a roadway can cause:
2.
Air tank drains:
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Should not be used in cold weather.
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Are helpful to remove water and oil from the air tanks.
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Are used to move air to the brakes.
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3.
While driving, gauges are:
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Unreliable.
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Unpredictable.
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To be monitored for potential signs of trouble.
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4.
What is the Gross Vehicle Weight Rating (GVWR)?
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The weight stated by the manufacturer as the loaded weight of a single vehicle
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The maximum weight that can be pulled by a vehicle
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The minimum weight that can be hauled by a vehicle
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5.
If your brakes fail while you are traveling downhill and there is no available escape ramp, you should:
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Keep pumping the brakes.
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Turn the vehicle off.
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Drive into an open field.
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6.
If you notice anything affecting the safety or mechanical functioning of your CMV while driving, you should:
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Stay quiet and see if the problem goes away.
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Make a written report that includes your concerns.
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Try to fix it yourself.
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7.
During the vehicle inspection test, you will be asked to:
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Change a tire.
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Explain to the examiner what you are inspecting and why.
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Estimate the weight of a load on a trailer.
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