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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 Alabama CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The AL tanker test covers the following sections of the Alabama CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this AL tanker practice test now to prepare for the actual test!
1. Which of the the following statements about fatigue is true?
Fatigue may cause you to not see and react to hazards.
Fatigue impairs your vision and judgment.
Fatigued driving is one of the leading causes of accidents.
All of the above.
2. When going down a steep downgrade, you should primarily brake using:
the parking brake.
the braking effect of the engine.
the emergency brake.
the service brakes.
3. Baffles:
help to prevent cargo overload.
separate the load.
help to control the side-to-side liquid surge.
help to control the forward and backward liquid surge.
4. If you discover a cargo leak, you should call for help and:
use shipping papers to identify the leaking material.
continue driving in order to find a truck stop.
try to identify the material by smell.
touch the leaking HazMat to identify the material.
5. Which of the following is not a type of retarder?
6. For safety during a trip, you should:
check critical items when you stop.
watch gauges for signs of trouble.
use your senses to check for problems.
All of the above.
7. To obtain the HazMat endorsement, you must pass a ________ background check.
Transportation Security Administration
Local Department of Security
Federal Bureau of Investigation
Law Enfrocement Agency
8. The height of a vehicle's center of gravity is important for safe handling. Why?
Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
A high center of gravity means you are less likely to tip over.
Trucks with a high center of gravity have better traction.
All of the above.
9. Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
a heater.
an air conditioner.
reflective triangles.
10. Letting air out of hot tires:
will help relieve the extra pressure.
will have no effect on the tires.
will cool the tires down.
should not be done, because the pressure will be too low when the tires cool off.
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AL CDL Tanker Endorsement

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