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Tennessee CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible 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: Cargo, Air Brakes and Tank Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
How does doubling your speed from 20 mph to 40 mph affect your vehicle's braking distance?
It stays about the same.
It increases slightly.
It doubles.
It quadruples.
2.
A sign indicating a maximum safe speed:
Is suggesting a driving speed, but vehicles may travel faster than the posted speed.
Is suggesting a speed limit to be followed only by vehicles weighing more than 26,000 pounds.
Should be followed and no vehicle should travel faster than the posted speed.
Is only applicable to automobiles.
3.
Who must label hazardous materials?
The mechanic
The shipper
The driver
4.
When driving, it is important to:
Avoid using your mirrors while in heavy traffic.
Look only to the front and right side of the vehicle.
Look to the front, sides, and rear of the vehicle.
5.
A stopped bus:
Is not a cause for concern since it is stopped.
Is only a concern if passengers are exiting the bus.
Is a concern whether or not passengers are visible.
6.
Load hazardous materials:
Near heat sources.
Away from heat sources.
Away from shadows.
7.
What is a tractor protection valve?
A valve to keep air in the brake system should there be a bad leak
A valve that prevents a truck from being stolen
A valve that prevents the driver from driving too fast
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