EPA 608 (CORE) Exam Correct 100%

When moisture exists in an operating system, what is most likely to occur? - Answer Acid will form. What factor(s) affects the speed of evacuation? - Answer 1) The size of the equipment being evacuated. 2)The ambient temperature. 3) The amount of moisture in the system A system is considered dehydrated when? - Answer The vacuum indicator shows you have reached & held the required finished vacuum. The over-evacuation of a system: - Answer Does not occur. The size (capacity) of the vacuum pump & the size of the suction line used will determine what? - Answer The length of dehydration time. A system is dehydrated to do what? - Answer Remove water & water vapor. To obtain an accurate vacuum reading during system evacuation, the system vacuum gauge should be located: - Answer As far from the vacuum pump as possible. To scrap a disposable cylinder, the internal cylinder pressure should be reduced to at least what? - Answer 0 psig