New York CDL Air Brakes Knowledge Test Practice Questions
100 original questions with cited readings, answer explanations, and feedback for each alternative.
Approved after AI editorial review on 2026-10-30. These are original practice questions, not official New York State Department of Motor Vehicles (NYS DMV) exam questions.
Official exam outline from New York State Department of Motor Vehicles (NYS DMV)Loading questionsβ¦
Practice coverage
This bank uses the following practice allocation. Check the official exam outline for current ranges and requirements.
- Parts of an air brake system (manual Section 5.1): 45%
- Dual air brake systems (manual Section 5.2): 8%
- Inspecting air brake systems (manual Section 5.3): 25%
- Using air brakes (manual Section 5.4): 22%