what % of operative brake equipment must trains have under all circumstances? correct answers
85%
what is the air pressure regulating valve or "brake pipe" pressure set to for yard and freight
service? correct answers 90%
when an air brake test requires an inspection to determine that the brakes apply and release on
the rear car of the train, what action would fulfill this requirement? correct answers 5 pound
increase and a 5 pound decrease
what is the initial method to test brake pipe leakage? correct answers air flow method
the brake system for freight trains must be charged to a minimum requirement of at least
______PSI at the REAR before an air test can begin. correct answers 75
when air flow does not exceed _____CFM, test is complete. correct answers 60
Using the air flow method , what is the indication that there is a excessive leakage? correct
answers If my CFM never gets below 60
What test is required when a train does not met the AFM requirements? correct answers Brake
pipe leakage test
What is the minimum PSI the brake system must be charged to as indicated by a gauge or device
at the rear of your train? correct answers 75 PSI
During the last 1 minute wait, what is the maximum allowed leakage? correct answers 5 PSI