TX DMV License Types and Restrictions 2 — Questions and Answers
Question 1: Which CDL class is required to operate a combination vehicle with a gross combination weight rating (GCWR) of 26,001 lbs or more, where the towed unit exceeds 10,000 lbs?
- Class A (Correct answer)
- Class B
- Class C
- Class M
Correct answer: Class A
Class A CDL covers combination vehicles with a GCWR of 26,001 lbs or more when the towed unit exceeds 10,000 lbs, such as semi-trucks with trailers.
Question 2: Which CDL endorsement is required to transport hazardous materials that require a placard?
- N endorsement
- H endorsement (Correct answer)
- T endorsement
- P endorsement
Correct answer: H endorsement
The H endorsement is required on a CDL to transport hazardous materials that must be placarded under federal regulations.
Question 3: What is the minimum age to operate a commercial motor vehicle in interstate commerce in Texas?
- 18 years old
- 19 years old
- 21 years old (Correct answer)
- 25 years old
Correct answer: 21 years old
Federal regulations require CDL holders to be at least 21 years old to drive in interstate (across state lines) commerce.
Question 4: A Class B CDL in Texas allows you to drive which type of vehicle?
- Any combination vehicle over 26,001 lbs
- A single vehicle with a GVWR of 26,001 lbs or more (Correct answer)
- Only vehicles transporting 16 or more passengers
- Vehicles under 26,001 lbs with hazmat
Correct answer: A single vehicle with a GVWR of 26,001 lbs or more
A Class B CDL covers a single vehicle with a GVWR of 26,001 lbs or more, and may tow another vehicle not exceeding 10,000 lbs.
Question 5: Which endorsements are required on a CDL to drive a school bus in Texas?
- P endorsement only
- S endorsement only
- Both P and S endorsements (Correct answer)
- T and S endorsements
Correct answer: Both P and S endorsements
Driving a school bus requires both the P (Passenger) and S (School Bus) endorsements on your CDL.
Question 6: What does the 'T' endorsement on a CDL permit the driver to operate?
- Tank vehicles carrying liquids
- Tow trucks and recovery vehicles
- Double and triple trailers (Correct answer)
- Tandem axle vehicles
Correct answer: Double and triple trailers
The T endorsement allows CDL holders to pull double or triple trailers, which require additional skills and testing.
Question 7: What document must CDL holders carry to prove they meet federal physical qualification standards?
- Annual vision test results
- A valid medical examiner's certificate (Correct answer)
- Monthly driving log summary
- Annual drug screening certificate
Correct answer: A valid medical examiner's certificate
CDL holders must carry a valid medical examiner's certificate (DOT medical card) showing they meet federal physical health standards.
Which CDL class is required to operate a combination vehicle with a gross combination weight rating (GCWR) of 26,001 lbs or more, where the towed unit exceeds 10,000 lbs?