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Vermont 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 possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Vermont Commercial Driver’s Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination 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

When accelerating on a surface with poor traction, such as a wet road, a driver should:

Speed up quickly.
Speed up slowly.
Not be concerned about the pavement.

When backing with a trailer, you should begin by:

Turning the steering wheel in the direction of the turn.
Turning the steering wheel in the direction opposite of the turn.
Turning the wheel as sharply as possible.

When glad hands are coupled, the seals should be pressed together at a ____ angle.


If the coolant temperature gauge goes above the highest safe temperature, you should:

Continue to drive.
Pull over and figure out what's wrong.
Run the air conditioner.

If your vehicle gets stuck on railroad tracks, you should:

Sit in the cab and call for help.
Exit the cab and walk away from the tracks.
Motion for another driver to push your vehicle.


Is only a concern in warm weather.
Is the same for each liquid.
Should be a factor when determining how much liquid to load into a tank vehicle.

When traveling through a work zone, you should:

Slow down.
Speed up.
Steer with one hand and keep the other hand free.
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