Multiple Choice
Assuming a major air leak in tractor-trailer combination that will result in complete system air pressure loss,which of the following sequence of events will occur FIRST?
A) trailer supply button pops out
B) tractor protection valve trips to OFF
C) spring brakes start to apply when hold-off air drops below 60 psi (4 bar)
D) tractor inversion valve actuates
Correct Answer:
Verified
Correct Answer:
Verified
Q14: When you are using visual stroke indicators
Q15: How fast are the wheels turned on
Q16: Technician A says that if the electrical
Q17: Technician A says that most truck compressors
Q18: Which of the following tests is commonly
Q20: If the air compressor does not have
Q21: Technician A says that most modern friction
Q22: When soap-solution testing the operation of an
Q23: What values MUST governor cutout pressure be
Q24: What is the usual maximum cam-to-bushing radial