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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 Maryland CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The MD tanker test covers the following sections of the Maryland CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this MD tanker practice test now to prepare for the actual test!
1. Column 2 in the Hazardous Material Table contains:
the identification numbers.
the HazMat description and shipping name.
the label codes.
the hazard class or division.
2. What should you do if you doubt you have safe space to pass under a low bridge?
Assume that the height posted at the bridges is correct.
Increase the weight of your vehicle to clearing under the bridge.
Go slowly, and take another route if you are not sure you can make it.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
3. Liquid surge occurs in:
partially filed tanks.
empty tanks.
overfilled tanks.
All of the above.
4. If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
3, 15 and 45 feet
10, 100 and 200 feet
5, 25 and 50 feet
5, 50 and 500 feet
5. Which of the following is not a type of retarder?
Exhaust
Electric
Hydraulic
Pressure
6. If a material is transported in a reportable quantity, the shipper displays the letters ___ on the shipping paper and package.
LP
RQ
MT
RM
7. Placards must be placed:
on the rear only.
on the front, rear and both sides of the vehicle.
on the driver's side of the vehicle.
on the front only.
8. Texting is:
the most dangerous distraction.
safer than talking on a cell phone.
safer thanĀ  engaging in conversation with a passenger.
about as safe as adjusting the radio.
9. When trying to put out an electrical fire you should:
use an A extinguisher.
use a B or C extinguisher.
use water.
use an D extinguisher.
10. If corrosive materials leak during transportation, the parts of the vehicle exposed to corrosives must:
be washed with water.
be washed with oil.
be left to air dry.
be washed with acid.
 
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MD CDL Tanker Test

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