South Carolina DMV CDL General Knowledge Quick Practice Test 2

South Carolina DMV CDL General Knowledge Quick Practice Test 2 For 2024

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. Which of the following is not a warning sign of fatigue?

Difficulty focusing
Staying within your lane
Rubbing your eyes

2. ABS allows you to:

Drive faster.
Brake harder.
Stay in control when stopping.

3. During the on-road driving test, you must do all of the following, except:

Wear your safety belt.
Obey all traffic laws.
Complete the test without a moving violation.
Obey all traffic signs and signals, but only if other traffic is present.

4. To stop a vehicle using air brakes:

The brake pedal should be pressed.
The brake pedal should be lifted.
The brake knob should be pulled out.
The brake knob should be pushed in.

5. When checking the air and electrical lines during a vehicle inspection, all of the following should be true, except:

The air hoses are making a hissing noise.
The air hoses and electrical lines are not cut.
The air lines are not pinched.
The air lines are not dragging against tractor parts.

6. Which of the following is not an indicator of when to upshift?

Road speed
RPMs
Time

7. Overloading a vehicle with cargo can affect all of the following, except:

Steering.
Braking.
Speed control.
Cruise control.

8. If a vehicle is equipped with power steering, the hoses should be checked:

For leaks.
To ensure that they are still clear.
To ensure that they are connected to the battery.
To ensure that they contain the proper amount of play.

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