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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. A liquid tank is divided into several smaller tanks by bulkheads. After filling the smaller tanks, most of the weight should be in the:
middle of the vehicle.
top of the tank.
front of the vehicle.
rear of the vehicle.
2. A material’s hazard class reflects:
the methods for handling spills or leaks in the absence of fires.
the emergency response information related to the material.
the risks associated with the material.
the type of packaging required to transport the material.
3. Unbaffled tanks usually transport:
milk and other food products.
4. Hydroplaning:
only happens when tire pressure is higher than normal.
only occurs at extremely high speeds.
can occur at speeds as low as 30 mph.
never occurs at speeds below 40 mph.
5. What should you do when confronted by an aggressive driver?
Hold-your-own in your travel lane
Make eye contact
Ignore gestures
Challenge them by speeding up
6. If you are being tailgated, you should:
open up room in front of you.
turn on your taillights.
make quick changes.
increase your speed very gradually.
7. You had to drive onto the right shoulder to avoid a crash. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
Brake hard to slow the vehicle, then steer sharply onto the pavement.
Keep moving at the present speed and steer very gently back onto the pavement.
If the shoulder is clear, stay on it until your vehicle has come to a stop, then move back onto the pavement when it is safe.
None of the above.
8. Black ice is:
ice that makes the road look dry.
a thick layer of ice.
a thin layer of black ice.
None of the above.
9. ______ surge results from movement of the cargo in partially filled tanks.
10. A tank endorsement is:
not required when transporting hazardous materials.
required for both liquids and gases.
only required when transporting gases.
only required when transporting liquids.
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MD CDL Tanker Endorsement

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