CDL Practice Tests

Air Brake Practice Test 2

Learning Series


Page Border

Question #1 of 30

Air Brake Test Question Image

When the air tank pressure falls to around 100 psi, the governor allows the compressor to start pumping again.




CDL Practice Test (Home) | General Knowledge Test 1 (Learning)

General Knowledge Test 2 (Learning) | Air Brake Test 1 (Learning) | Air Brake Test 2 (Learning)

Combination Vehicles (Learning) | Hazardous Materials (Learning) | Doubles & Triples (Learning)

Tanker Test (Learning) | School Bus (Learning) | Passenger Vehicle (Learning)

Testing Series | CDL Training Information

Privacy Policy  |  Contact

© 2020