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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 Massachusetts CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The MA tanker test covers the following sections of the Massachusetts CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this MA tanker practice test now to prepare for the actual test!
1. Which of the following statements about backing heavy vehicles is true?
You should avoid backing whenever you can.
Always back as quickly as possible.
The helper should stand where you cannot see the helper.
Back to the right side so that you can see better.
2. Air tank drains:
are used to move air to the brakes.
protect the tanks and the rest of the system from too much pressure.
are used to remove water and oil from the air tanks.
should not be used in wet weather.
3. Empty trucks:
require a shorter stopping distance than full trucks.
require the same stopping distance than full trucks.
require a greater stopping distance than full trucks.
None of the above.
4. Excessive use of the service brakes results in overheating. Too much heat can:
cause the brakes to grab.
make the brakes stop working.
cause the brakes to squeak.
cause the brakes apply unevenly.
5. In baffled tanks, the baffles help to control:
the top-to-bottom liquid surge.
the forward and backward liquid surge.
the side-to-side liquid surge.
control the brakes.
6. Unbaffled tanks usually transport:
milk and other food products.
7. Checking the automatic transmission fluid level may require:
the vehicle to be parked downhill.
you to pump the brake.
the 4-way emergency flashers to be activated.
the engine to be running.
8. Skids caused by acceleration can usually be stopped by:
swerving to the right.
taking your foot off the accelerator.
swerving to the left.
applying the brakes firmly.
9. Brake fade:
relies on the engine braking effect.
results from excessive heat caused by using brakes too much.
is not affected by brake adjustment.
All of the above.
10. When should you downshift automatic transmissions?
When you want to go faster.
When going down steep grades.
When you start to get drowsy.
Watch your tachometer, and downshift when your engine reaches the top of the range.
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MA CDL Tanker Endorsement

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