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Section 609 Exam Questions and Complete Rationales
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Section 609 Exam Questions and Complete Rationales
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Section 609 Exam Questions and Complete Solutions5 - Correct Ans:With the recovery unit shut off wait atleast ________ minutes to determine if all refrigerant has been removed.
2 - Correct Ans:After initial recovery procedures, if additional recovery is required, repeat the process until the A/C system vacuum remains stable for _____ minuites.
76 psig - Correct Ans:When checking a cylinder of recycled R-134a for non condensable gases at 70 degrees F the pressure should not exceed
PAG or POE - Correct Ans:The lubricant used with HFC-134a is
Affinity - Correct Ans:Refrigerant oil that is hygroscopic has a high _________ for water.
27,500 - Correct Ans:Violation of Section 609 of the clean air act may result in ________ fine per violation.
Nov. 15 1995 - Correct Ans:HFC-134a must be recovered effective
Barrier - Correct Ans:When a blend contains HCFC-22 all hoses must be replaced with _____ type hoses
Recycled - Correct Ans:Used disposable refrigerant cylinders can be __________ with other scrap Metal after they are empty.
12 - Correct Ans:High, low and center service hoses must have shut-off valves within ______ inches of their service ends. 27 - Correct Ans:Empty refillable recovery tanks should be evacuated to _____ inches of mercury before being put into service.
UL or DOT - Correct Ans:Recovery cylinders must be _____ or _______ approved.
liquid - Correct Ans:The proper method for charging a blended refrigerant is in the ______ phase.
recover - Correct Ans:Remove refrigerant in any condition from a system and store it in an approved external container
Intentionally vent - Correct Ans:Must never __________ ______ refrigerants into the atmosphere.
MVAC - Correct Ans:Motor Vehicle Air Conditioner
CFC-12 - Correct Ans:Can only be sold in small amounts to certified technicians.
Montreal Protocol - Correct Ans:(1987) phase-out of ozone depleting substances international agreement between 24 nations.
Recycle - Correct Ans:Clean refrigerant for reuse
reclaim - Correct Ans:Cannot be performed in a service shop.
recovery - Correct Ans:Remove. At minimum must be able to do this.
Recover recycle/ recover only - Correct Ans:2 types of equipment
5 - Correct Ans:Hydrostatically test every _____ years
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