๐Ÿ›žSouth Dakota Air Brakes โ€” Question 16 of 20

Excessive use of the service brakes results in overheating which can lead to:

South Dakota CDL Air Brakes Test Info

Questions on Exam

25

Passing Score

80%

Time Limit

Typically 30 minutes; varies by testing location

Age Requirements

Intrastate: 18+ ยท Interstate: 21+

South Dakota DPS

Official CDL Portal

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