Motor Vehicle Division Commercial Vehicle Operations 2 — Questions and Answers
Question 1: A Class A CDL authorizes the driver to operate which type of vehicle combination?
- Single vehicle over 26,001 lbs
- Combination vehicles with GCWR over 26,001 lbs where the towed unit exceeds 10,000 lbs (Correct answer)
- Vehicles designed to carry 16+ passengers
- Vehicles transporting hazardous materials only
Correct answer: Combination vehicles with GCWR over 26,001 lbs where the towed unit exceeds 10,000 lbs
Class A covers any combination of vehicles with a GCWR over 26,001 lbs where the towed vehicle exceeds 10,000 lbs GVWR.
Question 2: How often must a CDL medical certificate be renewed for most commercial drivers?
- Every year
- Every 2 years (Correct answer)
- Every 3 years
- Every 5 years
Correct answer: Every 2 years
Most CDL holders must renew their medical certificate every 24 months (2 years).
Question 3: What is the maximum weight a single axle may carry on a standard US federal highway?
- 17,000 lbs
- 20,000 lbs (Correct answer)
- 22,500 lbs
- 25,000 lbs
Correct answer: 20,000 lbs
Federal bridge law limits single axle weight to 20,000 pounds on interstate highways.
Question 4: Which document must a commercial driver keep in their possession while transporting hazardous materials?
- Trip permit
- Shipping papers (Correct answer)
- Carrier authority certificate
- IFTA decal
Correct answer: Shipping papers
Shipping papers describing the hazardous materials must be kept within reach of the driver at all times.
Question 5: A commercial driver who refuses a drug or alcohol test is treated as if they had tested at what result?
- Below the legal limit
- Positive (Correct answer)
- Inconclusive
- Exempt
Correct answer: Positive
Refusal to submit to a required drug or alcohol test is treated the same as a positive test result.
Question 6: What does the 'T' endorsement on a CDL allow a driver to operate?
- Tank vehicles
- School buses
- Double/triple trailers (Correct answer)
- Passenger vehicles
Correct answer: Double/triple trailers
The T endorsement permits a CDL holder to operate double and triple trailer combinations.
A Class A CDL authorizes the driver to operate which type of vehicle combination?