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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 Texas CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The TX tanker test covers the following sections of the Texas CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this TX tanker practice test now to prepare for the actual test!
1. Most heavy trucks with manual transmissions require ____ to change gears.
single clutching
triple clutching
double clutching
None of the above.
2. When you need to brake, you should warn the drivers behind:
by making gestures.
by turning on the 4-way emergency flashers.
by changing lanes.
by flashing your brake lights.
3. Empty trucks require greater stopping distances. True or False?
True, but only on wet surfaces.
False, but only for trucks built on or after March 1, 1998.
4. 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.
5. Shippers must warn drivers and others about the material's hazards:
by putting hazard warning labels on packages.
by making a written report each day on the condition of the material.
by placing a red triangle with an orange center on the vehicle.
by placing the transmission in Neutral.
6. When driving a tanker, liquid surge:
is never dangerous.
can have bad effects on handling.
results from movement of the liquid in full tanks.
should not  be a concern.
7. To make the brakes work, air brakes use:
compressed air.
hydraulic air.
carbon monoxide.
8. After an accident, an improper use of flares could cause:
air pressure to build from 50 to 100 psi within 2 minutes.
a fire if spilled fuel is on the ground.
the vehicle to slide back and forth.
the springs to put on the brakes.
9. Retarders:
reduce braking distance.
improve gas mileage.
help slow a vehicle, reducing the need for using brakes.
reduce the danger of slipping.
10. Overloading can have bad effects on all of the following except:
Speed control
Exhaust system
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TX 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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