Pennsylvania CDL — Air Brakes practice
Parking & Stopping
Legal and illegal parking, colored curbs, distances from hydrants and crossings, and how to park safely on hills.
Questions reviewed against the official Pennsylvania driver handbook · July 7, 2026
3 questions · pass with 2 correct. You get instant feedback and an explanation after every answer.
Study questions with answers
3 sample Parking & Stopping questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
1. On newer air brake vehicles, how do you apply the parking (spring) brakes?
Correct answer: Pull out the yellow, diamond-shaped control knob
On newer vehicles you pull out the yellow, diamond-shaped push-pull knob to set the parking (spring) brakes.
Source: Pennsylvania Commercial Driver's Manual (PUB 223), Section 5.1.15 - Parking Brake Controls
2. When should you skip setting the parking brakes and use wheel chocks instead?
Correct answer: When the brakes are very hot, or very wet in freezing weather
Leave the parking brakes off and chock the wheels when the brakes are very hot or are very wet in freezing weather.
Source: Pennsylvania Commercial Driver's Manual (PUB 223), Section 5.4.8 - Parking Brakes
3. Why should you avoid pressing the brake pedal while the spring brakes are set?
Correct answer: The combined force of the springs and the air pressure could damage the brakes
Pressing the pedal with the spring brakes set can harm the brakes, because the spring force and the air pressure combine.
Source: Pennsylvania Commercial Driver's Manual (PUB 223), Section 5.1.15 - Parking Brake Controls
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Every Pennsylvania question is written from the official Pennsylvania driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free