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EPA 608 (CORE) Exam with verified detailed answers
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When moisture exists in an operating system, what is most likely to occur? - ✔✔Acid will
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form.
What factor(s) affects the speed of evacuation? - ✔✔1) The size of the equipment being
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evacuated.
2)The ambient temperature.
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3) The amount of moisture in the system
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A system is considered dehydrated when? - ✔✔The vacuum indicator shows you have
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reached & held the required finished vacuum.
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The over-evacuation of a system: - ✔✔Does not occur.
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The size (capacity) of the vacuum pump & the size of the suction line used will determine
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what? - ✔✔The length of dehydration time.
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A system is dehydrated to do what? - ✔✔Remove water & water vapor.
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To obtain an accurate vacuum reading during system evacuation, the system vacuum gauge
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should be located: - ✔✔As far from the vacuum pump as possible.
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To scrap a disposable cylinder, the internal cylinder pressure should be reduced to at least
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what? - ✔✔0 psig || || ||
EPA 608 (CORE) Exam with verified detailed answers
|| || || || || || ||
When moisture exists in an operating system, what is most likely to occur? - ✔✔Acid will
|| || || || || || || || || || || || || || || ||
form.
What factor(s) affects the speed of evacuation? - ✔✔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? - ✔✔The vacuum indicator shows you have
|| || || || || || || || || || || || ||
reached & held the required finished vacuum.
|| || || || || ||
The over-evacuation of a system: - ✔✔Does not occur.
|| || || || || || || ||
The size (capacity) of the vacuum pump & the size of the suction line used will determine
|| || || || || || || || || || || || || || || || ||
what? - ✔✔The length of dehydration time.
|| || || || || ||
A system is dehydrated to do what? - ✔✔Remove water & water vapor.
|| || || || || || || || || || || ||
To obtain an accurate vacuum reading during system evacuation, the system vacuum gauge
|| || || || || || || || || || || || ||
should be located: - ✔✔As far from the vacuum pump as possible.
|| || || || || || || || || || ||
To scrap a disposable cylinder, the internal cylinder pressure should be reduced to at least
|| || || || || || || || || || || || || || ||
what? - ✔✔0 psig || || ||
