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A service brake system
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A parking brake system
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An emergency brake system
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An axle brake system
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Mississippi CDL Permit Test - Knowledge Test Class A
(From the 2021 Mississippi CDL driver handbook)
| Number of questions: | 50 |
| Passing score: | 40 |
Directions:
This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds 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 Mississippi Professional Driver’s Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Passing grade —
10 or fewer errors
advertising
1.
Which of the following is not a part of an air brake system?
2.
A CMV should:
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Not have a fire extinguisher, unless transporting hazardous materials.
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Not have a fire extinguisher, unless the vehicle will be traveling through remote areas.
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Not have a fire extinguisher.
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Have a fire extinguisher and other emergency equipment.
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3.
In a dual air brake system:
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Air tanks are shared by both systems.
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Each system has its own air tanks.
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You must designate which system you are using.
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Brakes on only one side of the vehicle will work.
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4.
When driving through a curve during the skills test, you should:
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Veer from your lane if needed to complete the curve.
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Reduce your speed after entering the curve.
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Refrain from looking for other vehicles while turning.
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Reduce your speed before entering the curve.
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5.
The air compressor is connected to the:
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Transmission.
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Engine.
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Radiator.
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6.
Leaking shock absorbers:
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Are normal.
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Indicate a potentially dangerous defect.
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Will prevent the turn signals from working.
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Pose no threat if the vehicle is only driven on highways.
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7.
If using the spring brakes while hauling a heavy load, a complete stop will:
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Be impossible.
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Take a long time.
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Take a short amount of time.
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Damage the brakes.
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