TX CDL #1- Commercial Rules- Section
14 Questions and Answers Already
Passed
What is the maximum allowed blood alcohol concentration (BAC) for a commercial driver in
Texas?
The maximum allowable BAC is 0.04%.
What should you do if you are involved in a traffic accident while operatin...
TX CDL #1- Commercial Rules- Section
14 Questions and Answers Already
Passed
What is the maximum allowed blood alcohol concentration (BAC) for a commercial driver in
Texas?
✔✔ The maximum allowable BAC is 0.04%.
What should you do if you are involved in a traffic accident while operating a commercial
vehicle?
✔✔ Stop at the scene, assist any injured persons, call law enforcement, and exchange necessary
information.
When are you required to carry a medical certificate while operating a commercial vehicle?
✔✔ You must carry a valid medical certificate if you are operating a vehicle that requires a
commercial driver’s license (CDL).
What is the required minimum age to obtain a CDL in Texas?
✔✔ The minimum age to obtain a CDL in Texas is 18 years old for intrastate driving and 21 for
interstate driving.
1
, What must a commercial driver do before operating a vehicle with a hazardous material placard?
✔✔ The driver must be properly trained and hold the appropriate endorsement for transporting
hazardous materials.
When is it necessary for a commercial driver to use a logbook or electronic logging device
(ELD)?
✔✔ When driving for more than 8 hours or operating a commercial vehicle that requires hours-
of-service logging.
What must you do if you are caught driving a commercial vehicle with an expired or invalid
CDL?
✔✔ You could be fined, your CDL may be suspended, and you may be prohibited from
operating the vehicle.
What does the Texas law require regarding seat belt use for commercial drivers?
✔✔ Texas law requires all commercial drivers and passengers to wear seat belts at all times
while operating or riding in a commercial vehicle.
2
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