South Carolina CDL Permit Test - Class A

Number of questions: 50
Passing score: 40
Directions: This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has two, three or four possible answer choices. Test questions come from the South Carolina Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
Texting while driving is:
Allowed for messages of less than 50 characters
Allowed on rural roads
Not allowed
Texting while operating a CMV is:
Acceptable on rural roads
Acceptable for drivers contacting their employers
How far ahead do most good drivers look?
2-3 seconds
5-6 seconds
12-15 seconds
45 seconds
Which group of people is not covered by move over laws:
Law enforcement personnel
Fire personnel
Garbage collectors
The most important reason to do a pre-trip inspection is for safety.
Convex mirrors:
Cannot be used on vehicles with hazardous materials
Can replace flat mirrors
Can be helpful in seeing more area
Are illegal in most states
Text messages:
May be sent if they are short
Are encouraged
Are permitted if asking a question
Are not permitted
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based on 14 votes
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