NC DMV Alcohol and Drug Impairment Laws 2

Question 1

In North Carolina, what is the legal blood alcohol concentration (BAC) limit for drivers under 21 years old?

Accepted Answer

0.00% — any detectable amount

Answer

North Carolina has a zero-tolerance law making it illegal for drivers under 21 to drive with any alcohol in their system.

Question 2

What is the BAC limit for a person driving a commercial motor vehicle in North Carolina?

Accepted Answer

0.04%

Answer

Commercial drivers in North Carolina are considered impaired at a BAC of 0.04%, half the standard limit.

Question 3

Under North Carolina's implied consent law, what happens if you refuse a chemical test after a lawful DWI arrest?

Accepted Answer

Your license is revoked for at least one year

Answer

Refusing a chemical test triggers an automatic license revocation of at least 12 months, separate from any DWI conviction.

Question 4

A driver stopped in North Carolina has an open container of alcohol in the passenger area of the vehicle. What does the law say?

Accepted Answer

It is illegal to have an open alcohol container in the passenger area while driving

Answer

North Carolina law prohibits open containers of alcohol in the passenger area of a motor vehicle on a highway.

Question 5

Which of the following can result in a DWI charge in North Carolina even if the driver's BAC is below 0.08%?

Accepted Answer

Being appreciably impaired by any impairing substance

Answer

A driver can be convicted of DWI if appreciably impaired by alcohol, drugs, or any other impairing substance, regardless of BAC.

(NC DMV) North Carolina Department of Motor Vehicle Practice Test