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Always means there are leaks in both systems.
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May not affect the other system.
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Is not something to worry about.
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Will also affect the other system.
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Nebraska CDL Permit Test - Knowledge Test Class B
(From the 2021 Nebraska 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 two, three or four possible answer choices. Test questions come from the Nebraska 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.
In a dual air brake system, a leak in one system:
2.
A truck may need to be under the legal maximum weight limit when being driven:
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On a flat road.
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On a mountainous road.
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In heavy traffic.
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At night.
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3.
When starting a trip while transporting a load, the driver should:
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Stop to check on the cargo within the first 50 miles of the trip.
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Drive faster than usual to test the security of the load.
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Only use the side mirrors to check on the cargo.
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Not recheck the cargo if it was secured properly before starting the trip.
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4.
What is a Gross Vehicle Weight Rating?
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The maximum 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 single vehicle
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The minimum weight that can be hauled by a single vehicle
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The maximum amount that can be loaded onto a single trailer
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5.
When carrying a sealed load, a driver:
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Should unseal the load to ensure safety.
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Should ensure the weight does not exceed weight limits.
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Must go through the container before driving.
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6.
Distracted driving:
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Is not a concern.
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Only occurs as a result of people who are physically doing something while driving.
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Can occur as a result of mental activities, such as daydreaming.
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7.
If convicted of any traffic violations, excluding parking violations, you must:
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Notify your employer within 30 days.
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Place a sign on the back of your vehicle noting the conviction.
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Forfeit your CDL for six months.
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