2025 Illinois Cdl Double - Test 1
The following questions are from real Illinois CDL practice tests. After selecting the answer, you can see the explanation. After confirming, click "Next" to jump to the next question.
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1. If an Anti-Lock Braking System (ABS) malfunctions:
The driver will not know.
A yellow lamp will light up on the control panel.
The brakes will lock up.
The brakes will not work.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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