What is the reason for using different relay valve crack pressures in a tractor trailer semi combination?
A) intensify tractor braking
B) ensure the tractor brakes actuate ahead of the trailer brakes
C) ensure the trailer brakes actuate ahead of the tractor brakes
D) balance the braking on the tractor and the trailer
Correct Answer:
Verified
Q76: Technician A says that Rockwell automatic slack
Q77: Technician A says that automatic slack adjusters
Q78: What is the function of the compressor
Q79: If a spring brake assembly has 90
Q80: When 1000 pounds of linear force is
Q82: What are the compounded forces that an
Q83: Technician A says that methyl hydrate is
Q84: Which of the following would be more
Q85: What service braking is actuated by the
Q86: Technician A says that the only means
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents