Practice question

During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:

  1. 10 psi in a minute.
  2. 8 psi in a minute.
  3. 6 psi in a minute.
  4. 4 psi in a minute.

Answer: C — 6 psi in a minute.

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Practice more: Indiana CDL Class B Knowledge Test 2 →