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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 Maine CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The ME tanker test covers the following sections of the Maine CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this ME tanker practice test now to prepare for the actual test!
1. Unbaffled tanks usually transport:
milk and other food products.
2. If the letter "G" appears in Column 1 of the Hazardous Materials Table, the description must also include:
the source of the HazMat.
the hazard class or division.
the technical name of the HazMat.
3. Baffled tanks:
help to control the liquid surge.
help to control the temperature of the liquid.
are usually those that transport food products.
4. Skids caused by acceleration can usually be stopped by:
coming to a complete stop.
taking the foot off the accelerator.
applying the brakes firmly.
5. Hauling liquids in tanks requires special skill because of:
danger of surge.
the high center of gravity.
All of the above.
6. What should you do if you doubt you have safe space to pass under a low bridge?
Increase the weight of your vehicle to clearing under the bridge.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
Go slowly, and take another route if you are not sure you can make it.
7. If the ABS is not working:
you should immediately reduce your speed.
the truck will still have normal brakes.
the truck will have no brakes.
8. When backing a truck you should:
always rely on your mirrors.
look straight ahead.
get out and walk around the vehicle before you begin to back.
9. What results from movement of the liquid in partially filled tanks?
Liquid surge
Liquid waves
Liquid splashes
10. If your vehicle is hydroplaning, you should:
stay off the brake.
speed up.
put the vehicle in reverse.
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ME 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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