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Presses the brake shoes against the inside of the brake drum.
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Tightens the brake drum onto the axle.
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Presses the brake lining against the wheel.
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Releases air from the air tanks.
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Tennessee CDL Permit Test - Passenger
(From the 2020 Tennessee CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
Directions:
To receive this endorsement, applicants must pass a test consisting of 20 multiple choice questions. Each question has three or four answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Commercial Driver Guide. Questions come from chapters covering: Transporting Cargo, Transporting Passengers Safely, Air Brakes, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. The Passenger endorsement can be used with the Class A, B or C CDL.
Passing grade —
4 or fewer errors
advertising
1.
When a brake pedal is pressed and the S-cam is turned, the S-cam:
2.
What happens if the air pressure in a system's air tanks falls below 60 psi?
|
A warning light will come on.
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The vehicle will not shift out of gear.
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The front lights will flash.
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The vehicle should stop.
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3.
A dual air brake system:
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Consists of two separate air brake systems that share a single set of controls.
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|
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Is a single air brake system with two different sets of controls.
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Consists of one air brake system for the left side of the truck and one system for the right side of the truck, each with its own set of controls.
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4.
Having ABS on only one axle:
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Can be dangerous.
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|
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Still allows you additional control when braking.
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|
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Slows the vehicle, but cannot stop it.
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5.
Dry bulk tanks require special care because:
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They have low centers of gravity.
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They have high centers of gravity.
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Loads are usually stable.
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They are usually overloaded.
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6.
When arriving at a destination, it is best to remind exiting passengers to take their carry-on bags with them:
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Before you stop the bus.
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After you stop the bus.
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At least five times.
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As they exit the bus.
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7.
A tank endorsement is:
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Only required when transporting gases.
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|
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Only required when transporting liquids.
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|
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Used when transporting both liquids and gases.
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Optional when transporting hazardous materials.
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