Ase s4 brakes exam - Study guides, Class notes & Summaries

When checking the foot valve primary and secondary ports for leakage what is the allowable pressure difference? (Ans- It should not exceed a 5 pounds per square inch difference. At what pressure should the stoplight switch illuminate on air brake systems? (Ans- 6 pounds per square inch or less. When checking the stoplight switch what is the allowable leakage? (Ans- There should be no leakage. When checking the relay valve what is the allowable leakage at the exhaust port of the valve? ...

ASE S4 Brakes Exam Practice Questions and Answers The air system is maintained at what pressure? - Answer️️ -100 to 120 pounds per square inch. At what pressure does the low pressure switch activate? - Answer️️ -Below 60 pounds per square inch. A safety or pop off valve is usually installed in which reservoir? - Answer️️ -In the one closest to the compressor. Why is the Wet tank referred to as such? - Answer️️ -It is the one closest to the compressor and has the most wate...

ASE S4 Brakes Exam Questions and Correct Answers The air system is maintained at what pressure? - ANSWER 100 to 120 pounds per square inch. At what pressure does the low pressure switch activate? - ANSWER Below 60 pounds per square inch. A safety or pop off valve is usually installed in which reservoir? - ANSWER In the one closest to the compressor. Why is the Wet tank referred to as such? - ANSWER It is the one closest to the compressor and has the most wa...

ASE S4 Brakes Exam Questions with All Correct Answers The air system is maintained at what pressure? - ANSWER 100 to 120 pounds per square inch. At what pressure does the low pressure switch activate? - ANSWER Below 60 pounds per square inch. A safety or pop off valve is usually installed in which reservoir? - ANSWER In the one closest to the compressor. Why is the Wet tank referred to as such? - ANSWER It is the one closest to th...