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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. How many drinks per hour can be handled by the liver?
About 1 drink per hour.
About 2 drinks per hour.
About 3 drinks per hour.
2. When possible, you should park:
so you will be able to pull forward when you leave.
on the shoulder.
so you will have to back up when you leave.
3. Shipping papers should be:
easily seen from the direction they face.
easily seen by someone entering the cab.
placed on all sides of the vehicle.
4. The amount of liquid to load into a tank depends on:
the weight of the liquid.
the amount the liquid will expand in transit.
All of the above.
5. Which of the following vehicles is most likely to turn over?
3 axle tractor semitrailer
65 ft. conventional double
Triple trailer
6. Before operating the vehicle, the driver should:
rely on the last vehicle inspection and skip the pre-trip inspection.
review the last vehicle inspection report.
should not review the vehicle inspection report and immediately try to find any vehicle defects.
7. When driving a tanker vehicle, the best way to take a curve is to slow to a safe speed before entering the curve and then _______ as you go through the curve.
downshift to the right gear
speed up slightly
brake lightly
8. When the wheels of a trailer lock up:
ABS will increase stopping power.
the vehicle will gradually come to a complete stop.
the trailer will tend to swing around.
9. Front-end header boards:
should never be used.
protect drivers from spilled cargo.
protect drivers from cargo in case of an accident or emergency stop.
10. When coupling, you should:
be aware that wrong coupling and uncoupling can be very dangerous.
make sure the trailer kingpin is bent.
make sure the trailer wheels are not chocked.
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ME CDL 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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