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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. When driving a 50-foot truck at 40 mph, your minimum following distance should be:
5 seconds
4 seconds
6 seconds
8 seconds
2. A liquid tank is divided into several smaller tanks by bulkheads. After filling the smaller tanks, most of the weight should be in the:
top of the tank.
rear of the vehicle.
middle of the vehicle.
front of the vehicle.
3. Strong winds can make it difficult to stay in your lane, especially when:
driving alongside other vehicles.
driving at speeds below 40 mph.
coming out of tunnels.
going into tunnels.
4. Which of the following will NOT help you prevent rollover?
Keeping the cargo as close to the ground as possible.
Using the controlled braking method.
Driving slowly around turns.
All of the above.
5. If your brakes fail while you are driving on a downgrade, you should:
immediately start looking outside your vehicle for something to stop it.
use an escape ramp if it's available.
take the least hazardous escape route you can.
All of the above.
6. The regulations require that HazMat employees be trained and tested at least once every:
10 years.
3 years.
5 years.
7. To control liquid surge, when stopping you should:
not keep a steady pressure on the brakes.
not release the brakes too soon.
not brake far in advance of a stop.
All of the above.
8. How many drinks per hour can be handled by the liver?
About 2 drinks per hour.
About 4 drinks per hour.
About 3 drinks per hour.
About 1 drink per hour.
9. The manifest for transporting hazardous wastes must be:
appear on both sides and ends of the vehicle.
attached to the appropriate placard.
uploaded to the cloud.
signed by hand.
10. If radioactive material is involved in a leak or broken package:
do not touch the leaking package and drive to the nearest service station.
clean the vehicle without touching the radioactive material.
immediately contact the fire department.
do not use the vehicle until it is cleaned.
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TX Tanker CDL 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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