EPA 608 (CORE) Exam questions and answers A+ Grade
2026\2027
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.
2026\2027
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.
