SC DMV Alcohol, Drugs, and Driving 2

Question 1

What is the BAC limit for commercial vehicle drivers in South Carolina?

Accepted Answer

0.04%

Answer

Commercial drivers are held to a stricter 0.04% BAC limit because of the greater danger posed by large vehicles.

Question 2

Prescription medications that cause drowsiness:

Accepted Answer

Can impair driving just as much as alcohol

Answer

Drowsiness-causing medications significantly impair reaction time and judgment, making driving dangerous regardless of a valid prescription.

Question 3

What is the minimum jail time for a first DUI conviction in South Carolina?

Accepted Answer

48 hours

Answer

A first DUI conviction in SC carries a mandatory minimum of 48 hours in jail or 48 hours of public service along with fines and license suspension.

Question 4

Under SC's DUI law, a 'habitual offender' designation can result after how many DUI convictions?

Accepted Answer

3 convictions within 5 years

Answer

Three DUI convictions within a 5-year period in SC can lead to a habitual offender designation, resulting in lengthy license revocation.

Question 5

What is an ignition interlock device (IID) and when may it be required in South Carolina?

Accepted Answer

A breath test device installed in a car, required after certain DUI convictions

Answer

An IID requires the driver to provide a clean breath sample before the vehicle will start, and is required for DUI offenders as a condition of restricted license.

SC DMV - South Carolina Department of Motor Vehicle Test Practice Test

SC DMV - South Carolina Department of Motor Vehicle Test Practice Test

SC DMV Alcohol, Drugs, and Driving 2