609 Certification Questions with Correct
Answers
With the recovery unit shut off wait atleast ________ minutes to determine if all refrigerant has
been removed. - CORRECT ANSWER -5
Aſter initial recovery procedures, if additional recovery is required, repeat the process until the
A/C system vacuum remains stable for _____ minuites. - CORRECT ANSWER -2
When checking a cylinder of recycled R-134a for non condensable gases at 70 degrees F the
pressure should not exceed - CORRECT ANSWER -76 psig
The lubricant used with HFC-134a is - CORRECT ANSWER -PAG or POE
Refrigerant oil that is hygroscopic has a high _________ for water. - CORRECT ANSWER -Affinity
Violation of Section 609 of the clean air act may result in ________ fine per violation. - CORRECT
ANSWER -27,500
HFC-134a must be recovered effective - CORRECT ANSWER -Nov. 15 1995
When a blend contains HCFC-22 all hoses must be replaced with _____ type hoses - CORRECT
ANSWER -Barrier
Used disposable refrigerant cylinders can be __________ with other scrap Metal aſter they are
empty. - CORRECT ANSWER -Recycled
Answers
With the recovery unit shut off wait atleast ________ minutes to determine if all refrigerant has
been removed. - CORRECT ANSWER -5
Aſter initial recovery procedures, if additional recovery is required, repeat the process until the
A/C system vacuum remains stable for _____ minuites. - CORRECT ANSWER -2
When checking a cylinder of recycled R-134a for non condensable gases at 70 degrees F the
pressure should not exceed - CORRECT ANSWER -76 psig
The lubricant used with HFC-134a is - CORRECT ANSWER -PAG or POE
Refrigerant oil that is hygroscopic has a high _________ for water. - CORRECT ANSWER -Affinity
Violation of Section 609 of the clean air act may result in ________ fine per violation. - CORRECT
ANSWER -27,500
HFC-134a must be recovered effective - CORRECT ANSWER -Nov. 15 1995
When a blend contains HCFC-22 all hoses must be replaced with _____ type hoses - CORRECT
ANSWER -Barrier
Used disposable refrigerant cylinders can be __________ with other scrap Metal aſter they are
empty. - CORRECT ANSWER -Recycled
