South Dakota CDL Class A, B or C DMV Practice Tests & Cheat Sheets

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.

99.5% Pass Rate

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

Two to three
Five to six
12 to 15
30 to 45

Usually have low centers of gravity.
Usually have high centers of gravity.
Usually are not allowed to cross railroad tracks.
Cannot be driven on interstates.

Because the air gets old and needs to be replaced
Because compressed air contains some water which must be drained from the tanks
To allow for a change in air pressure
To remove bad air from the tanks

Color
Length
Weight
Number of windows

South Dakota DMV CDL General Knowledge Quick Practice Test 4

South Dakota DMV CDL General Knowledge Quick Practice Test 4 For 2024

99.5% Pass Rate

True
False

34 feet
53 feet
61 feet

Should try guessing.
May open their window and feel the front of the side mirror for ice.
Should look at the road closely.

An Anti-Lock Braking System (ABS)
Air brakes
An alternator