FMCSA CDL Requirements and Driver Qualifications 2 — Questions and Answers
Question 1: What medical certificate must a CDL driver carry while operating a CMV in interstate commerce?
- A state-issued health card
- A current Medical Examiner's Certificate (MEC) (Correct answer)
- A personal physician's letter
- An annual physical receipt
Correct answer: A current Medical Examiner's Certificate (MEC)
CMV drivers in interstate commerce must carry a current Medical Examiner's Certificate issued by a certified medical examiner.
Question 2: How often must a CDL driver undergo a DOT physical examination at minimum?
- Every year
- Every 2 years (Correct answer)
- Every 3 years
- Every 5 years
Correct answer: Every 2 years
Most CDL drivers must pass a DOT physical at least once every 24 months (2 years), though conditions may require more frequent exams.
Question 3: Which condition would disqualify a driver from obtaining a DOT medical certificate?
- Controlled hypertension within Stage 2
- Epilepsy requiring anticonvulsant medication (Correct answer)
- Corrected vision with glasses
- Hearing loss corrected with a hearing aid
Correct answer: Epilepsy requiring anticonvulsant medication
Epilepsy requiring anticonvulsant medication is a disqualifying condition because it poses a safety risk when driving.
Question 4: A CDL holder must notify their employer of a driver's license suspension within:
- 24 hours (Correct answer)
- 3 business days
- 7 days
- 30 days
Correct answer: 24 hours
CDL holders must notify their employer the business day after their driver's license is suspended, revoked, or disqualified.
Question 5: What endorsement does a driver need to haul liquid or gaseous material in a tank vehicle with a capacity of 1,000 gallons or more?
- H endorsement
- N endorsement (Correct answer)
- T endorsement
- X endorsement
Correct answer: N endorsement
The N (Tank Vehicle) endorsement is required to operate tank vehicles with a capacity of 1,000 gallons or more.
Question 6: Under FMCSA rules, how many CDLs may a commercial driver hold at one time?
- As many as they qualify for
- One per state they drive in
- Only one CDL in one state (Correct answer)
- Two if they operate in different states
Correct answer: Only one CDL in one state
Federal law prohibits a driver from holding more than one CDL — they may only have one CDL issued by their state of domicile.
FMCSA CDL Requirements and Driver Qualifications 2
What medical certificate must a CDL driver carry while operating a CMV in interstate commerce?