2025 New Hampshire Cdl Double - Test 1
The following questions are from real New Hampshire 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. In a dual air brake system:
Air tanks are shared by both systems.
Each system has its own air tanks.
You must designate which system you are using.
Brakes on only one side of the vehicle will work.
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Key Data
Number of Tests: 17
Number of Question: 20
Passing Score: 16
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