EPA 608 (CORE) Exam with Correct Answers Graded A+ When moisture exists in an operating system, what is most likely to occur? - Correct Answer Acid will form.What factor(s) affects the speed of evacuation? - Correct 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? - Correct Answer The vacuum indicator shows you have reached & held the required finished vacuum.
The over-evacuation of a system: - Correct Answer Does not occur.
The size (capacity) of the vacuum pump & the size of the suction line used will determine what? - Correct Answer The length of dehydration time.A system is dehydrated to do what? - Correct Answer Remove water & water vapor.To obtain an accurate vacuum reading during system evacuation, the system vacuum gauge should be
located: - Correct 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? - Correct Answer 0 psig Never use an open flame to heat a refrigerant tank because? - Correct Answer 1) It can result in venting refrigerant to the atmosphere.
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