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17 April, 17:33

The air loss rate for a straight truck or bus with the engine off and the brakes

applied should not be more than:

(A) 1 psi in 60 seconds

(B) 1 psi in one minute

(C) 2 psi in 45 seconds

(D) 3 psi in one minute

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Answers (1)
  1. 17 April, 19:32
    0
    D

    Explanation:

    The air loss rate for a straight truck or bus with the engine off and the brakes applied should not be more than (D) 3 psi in one minute. An air loss rate greater than 3 psi per minute can cause damage to air tank so the to avoid such condition the air leak rate cannot be more than 3 psi per minute.
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