North Carolina: DUI Laws & Penalties Questions
9 real, verified North Carolina driving-test questions on dui laws & penalties, each with the correct answer and a full explanation below. Want to practice these interactively instead? Start a DUI Laws & Penalties practice round.
1. In North Carolina, what happens if a driver refuses a chemical test after being charged with driving while impaired (DWI)?
Why: North Carolina immediately revokes the license for at least 30 days upon refusal of a chemical test, followed by an additional minimum 12-month revocation imposed by the DMV.
2. In North Carolina, what is the mandatory license revocation period for a first DWI conviction?
Why: North Carolina mandates a one-year license revocation for a first DWI conviction.
3. In North Carolina, what is the mandatory revocation period for a second DWI conviction that occurred within three years of the first?
Why: North Carolina mandates a four-year license revocation for a second DWI conviction that occurs within three years of a prior DWI offense.
4. In North Carolina, when does a third DWI conviction trigger a mandatory permanent license revocation?
Why: North Carolina imposes a mandatory permanent revocation on a third DWI conviction if at least one of the prior convictions occurred within the preceding five years.
5. In North Carolina, what blood alcohol concentration restriction applies on a driver's second license restoration following a DWI revocation?
Why: North Carolina sets a 0.04 alcohol concentration restriction on a first DWI-related license restoration, tightening to a strict 0.00 restriction on a second or subsequent restoration.
6. In North Carolina, at what blood alcohol concentration does a DWI conviction automatically require an ignition interlock device?
Why: North Carolina requires an ignition interlock device when a DWI conviction involves a BAC of 0.15 or more, or when there's another qualifying conviction within the past seven years.
7. In North Carolina, what is the license consequence for an underage person (under 21) convicted of attempting to purchase alcohol?
Why: North Carolina imposes a mandatory one-year driver license revocation on an underage person convicted of purchasing or attempting to purchase alcohol, or of using a fraudulent ID to do so.
8. According to North Carolina's driver handbook, at what BAC does the risk of being involved in a crash begin to increase measurably, even below the legal DWI threshold?
Why: North Carolina's handbook notes that crash risk increases measurably starting at a BAC of 0.05 percent -- below the 0.08 percent threshold that legally defines impairment for drivers 21 and older.
9. In North Carolina, what BAC makes it illegal to drive a commercial motor vehicle, a lower threshold than for a regular vehicle?
Why: North Carolina sets a stricter 0.04 percent BAC threshold for commercial motor vehicle drivers, compared to the 0.08 percent threshold for regular drivers.
More North Carolina Topics
- Defensive Driving (5)
- Emergency Vehicles, School Buses & Work Zones (7)
- Minor & Provisional Licensing (11)
- Parking Rules & Technique (4)
- Speed, Right-of-Way & Legal Rules (10)
Rules and requirements change — always confirm current details with NC DMVbefore your exam. Take the full North Carolina practice test or check the North Carolina cheat sheet.