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White ice.
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Black ice.
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Blue ice.
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Oklahoma CDL Permit Test - Knowledge Test Class B
(From the 2021 Oklahoma 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 Oklahoma 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
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1.
A thin layer of ice that forms on road surfaces is called:
2.
Blocking is used to:
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Keep cargo in a large box.
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Prevent cargo from sliding in a trailer.
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Prevent cargo from falling out of a trailer.
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3.
Blocking is used to:
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Prevent cargo from shifting.
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Prevent cargo from being loaded too high.
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Prevent cargo from being unloaded too quickly.
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4.
A Class 1 hazardous material is:
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An explosive.
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Solid.
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Corrosive.
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5.
Alcohol is removed from the body:
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By exercising.
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At a fixed rate.
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More quickly if the person stays awake.
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6.
Rough acceleration:
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Is a good way to stay awake on long trips.
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Is distracting.
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Can cause mechanical damage.
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7.
Cargo inside a trailer:
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Does not need to be secured.
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Should be stacked no more than three feet high.
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Should be secured to prevent movement.
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