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Drive in the left lane.
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Drive while using your four-way flashers.
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Drive without using any lights.
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Washington CDL Permit Test - Knowledge Test Class B
(From the 2021 Washington 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 Commercial Driver Guide. 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.
If driving so slowly that you could impede other drivers, you should:
2.
Failing to drain air tanks could result in:
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Water accumulations freezing and causing brake failure.
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Squishy brakes.
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Too much air collecting in the tanks.
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3.
When making a left turn, you should start the turn:
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Before reaching the center of the intersection.
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No sooner than the center of the intersection.
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After your rear wheels have passed the center of the intersection.
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4.
When accelerating on a surface with poor traction, such as a wet road, a driver should:
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Speed up quickly.
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Speed up slowly.
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Not be concerned about the pavement.
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5.
Convex mirrors:
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Cannot be used on vehicles transporting hazardous materials.
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|
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Are illegal in most states.
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|
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Can help drivers see a larger area.
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6.
____ make up the emergency brake system.
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Only parts of the parking brake system
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Only parts of the service brake system
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Parts of the parking and service brake systems
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7.
What is the maximum legal weight to be placed on a single axle?
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20,000 pounds
|
|
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34,000 pounds
|
|
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80,000 pounds
|
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