Virginia CDL Air Brakes & Pre-Trip Inspection Practice Test
Practice 25 CDL questions on air brake systems, pre-trip inspection procedures, and stopping distances for commercial vehicles in Virginia.
Mode:
Study mode: See the correct answer, hints, and detailed explanation after each question.
What this Virginia practice test covers
- Air brake system components — compressor, reservoirs, chambers, and valves
- Proper air brake testing procedures and minimum pressure thresholds
- Stopping distances for air-braked vehicles vs. hydraulic brakes
- Pre-trip inspection checklist covering engine, cab, coupling, and walk-around
The actual Virginia DMV knowledge test has 40 questions, and you need at least 34 correct (85%) to pass. This practice test is based on the Virginia Driver's Manual. The test fee is $3. Tests are administered Two-part computer-based test: 10 road sign questions + 30 general knowledge questions.