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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. If your brakes fail on a steep mountain downgrade, you should:
go right if the shoulder is clear.
use an escape ramp if it is available.
leave the road immediately.
change lanes after making sure there is enough room.
2. Which of the following statements about retarders is NOT correct?
You should turn the retarder off whenever the road is wet, icy, or snow covered.
Retarders help slow a vehicle, reducing the need for using brakes.
Retarders reduceĀ reduce brake wear.
RetardersĀ help you avoid skids.
3. Placards must be placed:
on the rear only.
on the driver's side of the vehicle.
on the front only.
on the front, rear and both sides of the vehicle.
4. When should you downshift automatic transmissions?
Watch your tachometer, and downshift when your engine reaches the top of the range.
When you want to go faster.
When you start to get drowsy.
When going down steep grades.
5. Before loading or unloading any flammable liquids, you should:
turn off the engine.
light up a cigarette.
start the engine.
turn on the headlights.
6. The only acceptable way to check tire pressure is to:
use a tire pressure gauge.
check the minimum tread depth.
push on the tire to feel the pressure.
None of the above.
7. The two ways of knowing when to shift are:
weather and road conditions.
following distance and traffic speed.
oil pressure and road conditions.
engine speed and road speed.
8. ABS:
helps you increase your average speed.
improves your visibility at night.
does not decrease your stopping distance.
helps you increase your following distance.
9. A tank endorsement is:
required for both liquids and gases.
only required when transporting liquids.
not required when transporting hazardous materials.
only required when transporting gases.
10. Older trailers do not have spring brakes. If the air supply leaks away:
there will be no emergency brakes.
the trailer will stop normally.
the ABS won't work properly.
All of the above.
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Tanker Test - TX CDL

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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