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South Carolina CDL Permit Test - Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). 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), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B 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
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1.
Aggressive driving is:
Operating a vehicle in a selfish or pushy manner.
Operating a vehicle with a strong regard for other motorists’ safety.
Operating a vehicle in the left lane.
2.
When turning, when should the turn signal be canceled?
Before entering the turn
During the turn
After the turn is completed
3.
When driving on packed snow, you should reduce your speed:
By at least one-half.
By about one-third.
By about one-quarter.
By about one-eighth.
4.
Compared to talking on a cell phone while driving, texting while driving is:
Much safer.
Just as safe.
More dangerous.
5.
How is water and compressor oil removed from the bottom of an air storage tank?
The water and oil are siphoned out of the tank.
A drain valve is opened to remove the water and oil from the tank.
The water and oil are removed automatically as the brakes are used.
A sponge is used to soak up the water and oil.
6.
Reading a text message while driving is:
Encouraged.
Allowed only if you are not pulling a trailer.
Illegal.
7.
When conducting a check of the engine compartment during a vehicle inspection, you should not:
Check the engine oil level.
Check the coolant level.
Drain the brake fluid.
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