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EPA 608 (CORE) Exam 2023/2024 already graded A+
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EPA 608 (CORE) Exam 2023/2024 already graded A+
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EPA 608 (CORE) ExamWhen moisture exists in an operating system, what is most likely to occur? - ANSAcid will form.
What factor(s) affects the speed of evacuation? - ANS1) 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? - ANSThe vacuum indicator shows you have
reached & held the required finished vacuum.
The over-evacuation of a system: - ANSDoes not occur.
The size (capacity) of the vacuum pump & the size of the suction line used will determine what?
- ANSThe length of dehydration time.
A system is dehydrated to do what? - ANSRemove water & water vapor.
To obtain an accurate vacuum reading during system evacuation, the system vacuum gauge
should be located: - ANSAs far from the vacuum pump as possible.
To scrap a disposable cylinder, the internal cylinder pressure should be reduced to at least
what? - ANS0 psig
Never use an open flame to heat a refrigerant tank because? - ANS1) It can result in venting
refrigerant to the atmosphere.
2)The tank may explode, causing serious injury to people nearby.
3) Refrigerant in the tank may decompose, forming a toxic material.
When operating refrigerant recovery or recycling equipment, the following precautions should
always be followed. - ANS1) Wear safety glasses.
2) Wear protective gloves.
3) Follow all safety precautions for the equipment.
The color code for approved refrigerant recovery cylinders is? - ANSYellow tops & gray bodies.
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