Texas CDL General Knowledge Test Expected Questions and
Verified Answers (2026-2027)
Question 1.
In Texas, the mud flaps on a truck or trailer must reach
Correct Answer: within 8 inches of the roadway
Question 2.
Which of the following statements about an escape ramp is FALSE?
Correct Answer: It is of NO use if you are traveling too fast.
Question 3.
After you start the engine, the oil pressure should rise to normal within
Correct Answer: seconds
Question 4.
If you are stopped by the police and refuse to submit to a chemical test for drugs or
alcohol,
Correct Answer: you will lose your CDL for at least one year.
Question 5.
In Texas, the maximum weight for a single or combination vehicle including its load is
Correct Answer: 80,000
Question 6.
Streaks of rust on a lug nut are signs that
Correct Answer: it's loose.
Question 7.
If dense fog reduces visibility to near zero, what should you do?
Correct Answer: Pull off the road and stop.
Question 8.
If you are found to be driving a commercial motor vehicle with your blood alcohol
concentration (BAC) above zero but below 0.04%
Correct Answer: you will be ordered out of service for 24 hours.
, Question 9.
In Texas, which of the following are you not allowed to transport in an open truck?
Correct Answer: All of the above: Sand, Gravel, Wood Chips
Question 10.
To obtain a CDL, you must certify that
Correct Answer: All of the Above: not addicted to drugs, not an insulin-de-
pendent diabetic, not addicted to alcohol
Question 11.
How many tie-downs are required for a 17-foot load?
Correct Answer: 2
Question 12.
A fire extinguisher that is rated B:C is suitable for
Correct Answer: electrical fires and burning liquids.
Question 13.
What will help a drunk sober up?
Correct Answer: Time
Question 14.
In which of the following situations should you NOT sound your horn?
Correct Answer: to express your annoyance at someone
Question 15.
You don't want to be a distracted driver, so you
Correct Answer: avoid using your cell phone until you reach your destination.
Question 16.
If an accident victim is bleeding heavily and no qualified professional is available, what can
you do to help?
Correct Answer: Apply direct pressure to the wound.
Verified Answers (2026-2027)
Question 1.
In Texas, the mud flaps on a truck or trailer must reach
Correct Answer: within 8 inches of the roadway
Question 2.
Which of the following statements about an escape ramp is FALSE?
Correct Answer: It is of NO use if you are traveling too fast.
Question 3.
After you start the engine, the oil pressure should rise to normal within
Correct Answer: seconds
Question 4.
If you are stopped by the police and refuse to submit to a chemical test for drugs or
alcohol,
Correct Answer: you will lose your CDL for at least one year.
Question 5.
In Texas, the maximum weight for a single or combination vehicle including its load is
Correct Answer: 80,000
Question 6.
Streaks of rust on a lug nut are signs that
Correct Answer: it's loose.
Question 7.
If dense fog reduces visibility to near zero, what should you do?
Correct Answer: Pull off the road and stop.
Question 8.
If you are found to be driving a commercial motor vehicle with your blood alcohol
concentration (BAC) above zero but below 0.04%
Correct Answer: you will be ordered out of service for 24 hours.
, Question 9.
In Texas, which of the following are you not allowed to transport in an open truck?
Correct Answer: All of the above: Sand, Gravel, Wood Chips
Question 10.
To obtain a CDL, you must certify that
Correct Answer: All of the Above: not addicted to drugs, not an insulin-de-
pendent diabetic, not addicted to alcohol
Question 11.
How many tie-downs are required for a 17-foot load?
Correct Answer: 2
Question 12.
A fire extinguisher that is rated B:C is suitable for
Correct Answer: electrical fires and burning liquids.
Question 13.
What will help a drunk sober up?
Correct Answer: Time
Question 14.
In which of the following situations should you NOT sound your horn?
Correct Answer: to express your annoyance at someone
Question 15.
You don't want to be a distracted driver, so you
Correct Answer: avoid using your cell phone until you reach your destination.
Question 16.
If an accident victim is bleeding heavily and no qualified professional is available, what can
you do to help?
Correct Answer: Apply direct pressure to the wound.
