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It is difficult to see behind the vehicle.
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Most trucks do not have the ability to move in reverse.
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Cargo may fall out of the trailer.
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Vermont CDL Permit Test - Tank
(From the 2020 Vermont CDL driver handbook)
| 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.
Passing grade —
4 or fewer errors
advertising
1.
Backing with a trailer is dangerous because:
2.
When driving a tank vehicle with liquid cargo, the driver should:
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Increase their following distance.
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Deflate their tires.
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Swerve periodically.
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3.
When starting an engine:
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The brakes will lock up.
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Warning lights should turn on, then quickly turn off.
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Coolant temperatures should decrease.
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4.
When starting a vehicle, warning lights and buzzers:
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Should not light up or sound.
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Should turn on and shut off quickly.
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Should turn on and remain on.
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5.
In poor weather, many drivers:
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Like to drive in front of trucks.
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Like to drive to the sides of trucks.
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Like to follow trucks.
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6.
How long should it take for oil pressure to reach a normal level when starting a vehicle?
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A few seconds
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About a minute
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About four minutes
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7.
Pre-trip inspections are:
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Recommended.
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Needed only for trips longer than 100 miles in length.
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Required by law.
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