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DISTRICT OF COLUMBIA CDL TANKER PRACTICE TEST

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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 District of Columbia CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The DC tanker test covers the following sections of the District of Columbia CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this DC tanker practice test now to prepare for the actual test!
1. To avoid a crash:
stopping is not always the best thing to do.
stopping is always the safest thing to do.
swerving is always the worst thing to do.
None of the above.
2. If radioactive material is involved in a leak or broken package:
do not use the vehicle until it is cleaned.
immediately contact the fire department.
do not touch the leaking package and drive to the nearest service station.
clean the vehicle without touching the radioactive material.
3. You are more at risk of being fatigued:
after getting more than 8 hours of sleep.
when driving during the day.
when stopping periodically during long trips.
when driving alone.
4. When conducting a pre-trip inspection:
you should review the last vehicle inspection report.
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
the inspection report should only be reviewed if you will be carrying passengers.
None of the above.
5. Tire load is defined as:
the maximum safe weight a tire can carry at a specified pressure.
the minimum tire pressure.
the minimum safe weight a tire can carry at a specified pressure.
the weight transmitted to the ground by 1 tire.
6. What should you do if you doubt you have safe space to pass under a low bridge?
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
Increase the weight of your vehicle to clearing under the bridge.
Assume that the height posted at the bridges is correct.
Go slowly, and take another route if you are not sure you can make it.
7. A tank endorsement is:
only required when transporting gases.
only required when transporting liquids.
not required when transporting hazardous materials.
required for both liquids and gases.
8. If your trucks has a high center of gravity, which of the following is true for curves?
You should slow down, as your truck can roll over at the posted speed limit for the curve.
You should travel at the posted speed limit.
Reduce your speed to a crawl.
None of the above.
9. Pre-trip inspections are:
required only for trips of more than 50 miles.
required by law
recommended.
required only for trips of more than 100 miles.
10. When confronted by an aggressive driver, you should:
make every attempt to get out of their way.
call the police, if you have a cell phone and can do it safely.
avoid eye contact.
All of the above.
 
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DC Tanker Test

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