2025 District of Columbia Cdl Double - Test 1
The following questions are from real District of Columbia 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 the low pressure warning light comes on while you are driving:
Braking will only be possible if there is still enough air in the tanks.
You can apply the brakes 14 times before the air in the system runs out.
You should continue to drive normally and check the brake system when it is convenient.
You should stay at least 100 feet away from other vehicles.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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