2025 Texas Cdl Combination - Test 2
The following questions are from real Texas 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. What is a tractor protection valve?
A valve to keep air in the brake system should there be a bad leak
A valve that prevents the truck from being stolen
A valve that prevents the driver from going too fast
A valve that prevents the trailer from accidentally being released
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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