2025 Pennsylvania Cdl Class B Knowledge Test - 2

The following questions are from real Pennsylvania 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 you experience a loss of hydraulic pressure, you should do all of the following, except:

Downshift.
Pump the brakes.
Accelerate.
Use the parking brake.
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