2025 New Hampshire Cdl Double - Test 2
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. The emergency air line supplies air to the:
Relay valves.
Trailer air tanks.
Signal line.
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Key Data
Number of Tests: 17
Number of Question: 20
Passing Score: 16
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