When checking the air flow to the rear trailer, you should:

Open the emergency line shut-off valve at the rear of the last trailer and listen for escaping air.. Section 7.4: To verify air is getting

When checking the air flow to the rear trailer, you should:

ANSWER BREAKDOWN
  • A. Incorrect. "Listen for air at the compressor." is not correct. To verify air is getting to the back, open the emergency line valve at the rear. You should hear air escaping.
  • B. Correct. To verify air is getting to the back, open the emergency line valve at the rear. You should hear air escaping.
  • C. Incorrect. "Trust the gauges." is not correct. To verify air is getting to the back, open the emergency line valve at the rear. You should hear air escaping.
  • D. Incorrect. "Kick the tires." is not correct. To verify air is getting to the back, open the emergency line valve at the rear. You should hear air escaping.