Commercial Driver's License

Category - Inspections

When taking the vehicle inspection portion of the CDL test, examiners will ask which of the following concerning the air brake check process?
  1. How to test the air leakage rate
  2. How to test for air brake leaks
  3. How to set spring brakes
  4. How to check the air pressure rate
  5. All of the above
Explanation
Answer: E - During the vehicle inspection portion of the CDL test, examiners almost always ask questions concerning all aspects of the air brake system. Applicants must be able to answer these questions as well as to demonstrate how to perform each of the checks. Air brake tests should also be performed as a routine task for all pre-trip inspections of commercial vehicles that use air brakes.
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