EPA 608 Exam Questions and
Answers Verified Solutions Latest
Update
Question:
What factor(s) affects the speed of evacuation?
Answer:
1) The size of the equipment being evacuated. 2)The ambient temperature.
Question:
The amount of moisture in the system
Question:
A system is considered dehydrated when?
Answer:
The vacuum indicator shows you have reached & held the required finished vacuum.
Question:
The over-evacuation of a system
Answer:
Does not occur.
Question:
The size (capacity) of the vacuum pump & the size of the suction line used will
determine what?
Answer:
The length of dehydration time.
, Question:
A system is dehydrated to do what?
Answer:
Remove water & water vapor.
Question:
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.
Question:
To scrap a disposable cylinder, the internal cylinder pressure should be reduced to at
least what?
Answer:
0 psig
Question:
Never use an open flame to heat a refrigerant tank because?
Answer:
Question:
It can result in venting refrigerant to the atmosphere. 2)The tank may explode, causing
serious injury to people nearby.
Question:
Refrigerant in the tank may decompose, forming a toxic material.
Question:
When operating refrigerant recovery or recycling equipment, the following precautions
should always be followed.
Answer:
1) Wear safety glasses.
Answers Verified Solutions Latest
Update
Question:
What factor(s) affects the speed of evacuation?
Answer:
1) The size of the equipment being evacuated. 2)The ambient temperature.
Question:
The amount of moisture in the system
Question:
A system is considered dehydrated when?
Answer:
The vacuum indicator shows you have reached & held the required finished vacuum.
Question:
The over-evacuation of a system
Answer:
Does not occur.
Question:
The size (capacity) of the vacuum pump & the size of the suction line used will
determine what?
Answer:
The length of dehydration time.
, Question:
A system is dehydrated to do what?
Answer:
Remove water & water vapor.
Question:
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.
Question:
To scrap a disposable cylinder, the internal cylinder pressure should be reduced to at
least what?
Answer:
0 psig
Question:
Never use an open flame to heat a refrigerant tank because?
Answer:
Question:
It can result in venting refrigerant to the atmosphere. 2)The tank may explode, causing
serious injury to people nearby.
Question:
Refrigerant in the tank may decompose, forming a toxic material.
Question:
When operating refrigerant recovery or recycling equipment, the following precautions
should always be followed.
Answer:
1) Wear safety glasses.
