South Carolina DMV CDL General Knowledge Quick Practice Test 4

South Carolina DMV CDL General Knowledge Quick Practice Test 4 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. Vehicles driving behind a truck:

May have difficulty seeing objects in front of the truck.
Often have a great view of the roadway in front of them.
Do not need to signal.

2. Which of the following is not a tire problem to check for and avoid?

Radial and bias-ply tires used together
Recapped tires on the front of a school bus
Tread separation
All tires are made by the same company

3. If pulled off to the side of the road, you should:

Allow your taillights to alert other motorists.
Turn on your emergency flashers to warn other motorists.
Keep your lights off to avoid distracting other motorists.
Keep your door open to warn other motorists.

4. When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:

Keeping your lights off.
Turning your lights on.
Driving on the shoulder.
Waving an arm out the window.

5. Which of the following indicates drowsy driving?

Eyes going out of focus by themselves
Having trouble keeping your head up
Drifting from lane to lane
All of the above

6. When backing with a trailer:

You should not back up in a straight line.
You should not correct drift until you are far off course.
You should frequently pull forward to reposition the vehicle.

7. Driving at night is:

Safer than driving during the day.
Just as safe as driving during the day.
More dangerous than driving during the day.

8. When conducting a vehicle inspection, you must show each of the following, except:

That the oil pressure gauge is working.
That the oil pressure warning light turns off, or that the gauge shows increasing or normal oil pressure.
That the oil temperature gauge, if equipped, rises to the normal operating range.
That the oil pressure gauge comes on when brakes are used.

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