The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:

3 psi in one minute.. Section 5.3: For a single vehicle (straight truck/bus), the loss rate should be less than 3 psi in one minute with

The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:

ANSWER BREAKDOWN
  • A. Incorrect. "1 psi in one minute." is not correct. For a single vehicle (straight truck/bus), the loss rate should be less than 3 psi in one minute with brakes applied.
  • B. Incorrect. "2 psi in one minute." is not correct. For a single vehicle (straight truck/bus), the loss rate should be less than 3 psi in one minute with brakes applied.
  • C. Correct. For a single vehicle (straight truck/bus), the loss rate should be less than 3 psi in one minute with brakes applied.
  • D. Incorrect. "4 psi in one minute." is not correct. For a single vehicle (straight truck/bus), the loss rate should be less than 3 psi in one minute with brakes applied.