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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The Delaware CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The DE tanker test covers the following sections of the Delaware CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this DE tanker practice test now to prepare for the actual test!
1. The vehicle inspection report:
tells the shipper how to package the materials.
tells the motor carrier about problems that may need fixing.
ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
ensures that vehicle inspections are conducted regularly.
2. Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
sound their horn
change direction
slow down and change lanes
3. Empty trucks:
require greater stopping distances than full trucks.
stop quicker when you use only the emergency or parking brake.
have more traction than full trucks.
None of the above.
4. Air tank drains:
protect the tanks and the rest of the system from too much pressure.
are used to remove water and oil from the air tanks.
are used to move air to the brakes.
should not be used in wet weather.
5. To prevent drowsiness you should:
avoid exercise to save more energy.
get adequate sleep before a trip.
schedule trips for the middle of the night.
never drive with a passenger.
6. When it comes to hazardous materials transportation, the shipper:
must package, mark, and label the materials.
placards the vehicle when loading, if required.
follows all special rules about transporting HazMat.
takes the shipment from to its destination.
7. On any upgrade, gravity:
doesn't affect your speed.
speed you up.
slows you down.
doubles your speed.
8. If you are being tailgated, you should do all of the following except:
Reduce your speed gradually
Turn on your taillights
Try to let the other vehicle pass
Increase your following distance
9. Brake fade results from:
excessive heat caused by using brakes too much.
using brakes in cold weather.
wet brakes.
All of the above.
10. When you double your speed, the braking distance is:
3 times longer.
2 times longer.
4 times longer.
the same.
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DE Tanker Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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