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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 New Jersey CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The NJ tanker test covers the following sections of the New Jersey CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this NJ tanker practice test now to prepare for the actual test!
1. If you are stopped on an incline, how can you start moving without rolling back?
Shift to neutral
Fully engage the clutch
Apply the parking brake
Aggressively pump the accelerator
2. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
hold compressed air.
prevent movement of cargo.
reduce the chance of the front wheels skidding.
keep from rolling back.
3. A high center of gravity:
means you'll have better traction.
is less dangerous in curves.
helps the vehicle be more stable while turning.
means your vehicle is more likely to tip over.
4. To avoid a hazard:
stopping is always the best thing to do.
changing lanes is always the best thing to do.
steering away from what is ahead may be the best thing to do.
driving on the shoulder of the road is always the best thing to do.
5. When you see you will need to slow down, you can warn drivers behind you by:
slamming on the brakes.
making gestures.
turning on the right turn signal.
tapping the brakes a few times.
6. When transporting chlorine in cargo tanks, you must have _______ in the vehicle.
an approved cell phone
approved goggles
an approved gas mask
5 reflective triangles
7. The height of a vehicle's center of gravity is important for safe handling. Why?
Trucks with a high center of gravity have better traction.
A high center of gravity means you are less likely to tip over.
Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
All of the above.
8. If corrosive materials leak during transportation, the parts of the vehicle exposed to corrosives must:
be washed with acid.
be washed with water.
be washed with oil.
be left to air dry.
9. Retarders:
increase fuel efficiency.
improve traction.
help to increase brake pressure.
can be noisy and may not be permitted everywhere.
10. Which of the following vehicles is most likely to turn over?
Triple trailer
5 axle tractor semitrailer
3 axle tractor semitrailer
65 ft. conventional double
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NJ CDL Tanker Test

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