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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. Dual tires:
should not come in contact with each other.
should always come in contact with each other.
are dangerous.
should come in contact with each other whenever possible.
2. Before entering a curve, you should:
increase your speed.
reduce your speed.
maintain your speed.
come to a complete stop.
3. Which of the following statements about tankers is true?
A high center of gravity makes a vehicle more prone to rollover accidents.
When loading and unloading smaller tanks, do not put too much weight on the front or rear of the vehicle.
Unbaffled liquid tankers have nothing inside to slow down the flow of the liquid.
All of the above.
4. Brake lag is:
the time required for the air brakes to work after the brake pedal is pushed.
the amount of air pressure required to stop the vehicle.
the distance your vehicle will travel, in ideal conditions, while you are braking.
the distance your vehicle will continue to travel, in ideal conditions, before you hit the brakes.
5. Improperly placarded vehicles can only be moved:
during an emergency.
by their owner.
in the daytime.
at night.
6. Checking the automatic transmission fluid level may require:
the vehicle to be parked downhill.
the engine to be running.
the 4-way emergency flashers to be activated.
you to pump the brake.
7. The hazardous materials regulations require vehicles transporting certain types or quantities of HazMat to display warning signs called:
reflective triangles.
advance warning signs.
HazMat warnings.
8. The identification numbers assigned to chemicals can be found:
on the HazMat website.
in the driver's manual.
on the IFTA website.
in the DOT Emergency Response Guide.
9. Class 1 hazardous materials include:
Flammable liquids
Radioactive materials
Flammable solids
10. Vehicles with ABS have ______ ABS malfunction lamps on the instrument panel.
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MD Tanker CDL Test

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