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Rarely happens to trucks.
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Usually happens when vehicles are traveling at speeds above 65 mph.
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Can occur with a minimal amount of water on the roadway.
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Tennessee CDL Permit Test - Knowledge Test Class B
(From the 2020 Tennessee 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 or four possible answer choices. Test questions come from the 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.
Hydroplaning:
2.
When making a lane change, your turn signal:
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Should always be used.
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Should only be used if there is traffic present.
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Should only be used between dusk and dawn.
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3.
When carrying a wide load, you should:
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Drive as fast as possible.
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Obtain special permits and follow special rules, such as driving during certain hours.
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Honk at other drivers to get them to move from the lane closest to you.
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Drive on the shoulder.
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4.
Blocking cargo:
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Should never be done.
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Should be done to prevent the shifting of cargo.
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Can only be done with metal pieces.
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5.
If a vehicle has a vehicle inspection report, the driver:
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Should not look at the report and instead try to find any issues themselves.
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Should take the vehicle to a mechanic.
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Should review the report.
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Should not conduct a pre-trip inspection and rely only on the report.
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6.
What is road rage?
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Operating a motor vehicle with the intent of doing harm to others
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Operating a motor vehicle that is deemed unsafe
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Operating a motor vehicle that has not been inspected
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7.
A poor balance of weight in a trailer:
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Can make handling unsafe.
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Improves traction.
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Increases fuel efficiency.
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