South Carolina DMV CDL General Knowledge Quick Practice Test 1

South Carolina DMV CDL General Knowledge Quick Practice Test 1 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. Header boards:

Should never be used.
Protect the driver from being hit by cargo.
Protect the driver's head when entering the cab of a truck.
Provide extra storage.

2. What is the penalty for operating a CMV that is placarded for hazardous materials while you are under the influence of alcohol?

Losing your CDL for three months
Losing your CDL for six months
Losing your CDL for one year
Losing your CDL for three years

3. To prevent your vehicle from rolling backward when beginning to move, you can:

Partly engage the clutch before taking your foot off the brake pedal.
Place the vehicle in second gear.
Use the parking brake when stopping.

4. Improperly loaded cargo:

Can be safer than properly loaded cargo.
Can be a hazard.
Can improve fuel efficiency.

5. When entering fog, you should:

Put on your high beam headlights.
Increase your speed.
Turn up the volume of the radio.
Slow down.

6. If a vehicle gets stuck on a railroad track, the driver should:

Stay in the vehicle and try to restart the vehicle.
Get out of the vehicle and walk away from the tracks.
Try to flag down another vehicle to give them a push.
Wait in the vehicle for a law enforcement officer to arrive.

7. If stopped on the side of the road, how should you alert other motorists?

Rely on your taillights.
Sound your horn.
Use your four-way emergency flashers.
Keep the driver's side door open.

8. Which of the following may result in an applicant being denied a hazardous materials endorsement?

They are not a lawful permanent resident of the United States.
They have had a speeding conviction within the previous three years.
They did not correctly answer every question on the written hazardous materials endorsement test.
They did not pass the written hazardous materials endorsement test on the first attempt.

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