With the engine off and brakes released, a combination vehicle should lose no more than:

3 psi per minute.. Section 5.3: Static leakage for combination vehicles is 3 psi/min. (Applied is 4 psi/min).

With the engine off and brakes released, a combination vehicle should lose no more than:

ANSWER BREAKDOWN
  • A. Correct. Static leakage for combination vehicles is 3 psi/min. (Applied is 4 psi/min).
  • B. Incorrect. "2 psi per minute." is not correct. Static leakage for combination vehicles is 3 psi/min. (Applied is 4 psi/min).
  • C. Incorrect. "4 psi per minute." is not correct. Static leakage for combination vehicles is 3 psi/min. (Applied is 4 psi/min).
  • D. Incorrect. "1 psi per minute." is not correct. Static leakage for combination vehicles is 3 psi/min. (Applied is 4 psi/min).