What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - JNovember 14, 1994
FSection 608 of the Federal
... [Show More] Clean Air Act requires technicians to what? - JRecover all refrigerants.
FThe objective of the Clean Air Act is to protect what? - JThe earth's stratosphere.
FHFC's - JHydroFlouroCarbon's
FCFC's - JChloroFluoroCarbon's
FODP - JOzone Depletion Potential
FWhich international treaty agreement was the basis for Section 608? - JThe Montreal Protocol.
FDepletion of the ozone in the stratosphere is know to cause what 6 things? - J1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
FWhat happens when CFC or HCFC molecules get in the stratosphere & free atoms of Chlorine are set free? - JThese atoms attack Ozone Molecules causing the formation of Chlorine Monoxide (CLO), after colliding with another Ozone Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of chlorine to act as "Free Agent" starting the process over until 100,000 molecules of Ozone are destroyed by just one atom of chloride.
FWhat date was recovery equipment required to be certified by a lab, & achieve higher evacuation levels, & have low loss fittings? - JNovember 15, 1993
FOn what date was technician certification required? - JNovember 14, 1994
FWhat date was CFC's phased out of production? - JDecember 31, 1995
FWhat is EPA 608 Type I certification? - JPersons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less).
FWhat is EPA 608 Type II certification? - JPersons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small appliances and motor vehicle air conditioning systems.
FWhat is EPA 608 Type III certification? - JPersons who maintain, service, repair, or dispose of low pressure appliances.
FWhat is EPA 608 Universal certification? - JPersons who maintain, service, repair, or dispose of both low and high pressure equipment, as well as appliances.
FHCFC's - JHydroChloroFluoroCarbons
FWhat are HydroChloroFluoroCarbons? - JCommonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine, fluorine, and carbon.
FA recovery cylinder must not be filled more than ___ % of it's capacity by weight? - J80%
FHow should refrigerant cylinders be shipped? - JUp-right with proper DOT classification tags.
FWhat oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with CFC's and HCFC's. - JPolyolester
FHCFC's have very low atmospheric concentrations measured in parts per? - JTrillion
FAll cooling systems containing more than 50 lbs. of refrigerant must be repaired when the annual leak rate exceeds___? - J15%
FMineral Oils are used with? - JAll CFC's
FAlkebenzene is used alone or as an additive for? - JHCFC's (Will also work with CFC's)
FPOE - JPolyolester
FWhat is the definition of a Type I Appliance? - JA small appliance that is manufactured, charged, and hermetically sealed in a factory with 5 Lbs. of refrigerant or less.
FWhat is the definition of a Type II Appliance? - JHigh pressure or very high pressure appliances except for small appliances and motor vehicle air conditioning. Refrigeration systems containing more than 5 Lbs. of high or very high pressure refrigerants.
FWhat is the definition of a Type III Appliance? - JLow pressure equipment like low pressure chillers.
FAll refrigerants are assumed to be a single chemical if they are numbered what? - J1-399 and 600 and above.
FWhat is an Azeotrope? - JA mixture of two or more liquids in such a ratio that it's composition cannot be changed by vaporizing it.
FAzeotrope's are numbered what? - J500 to 599
FWhat is fractionation? - JWhen the refrigerant leaks, it leaks out in different rates due to the different pressures.
FWhat is Temperature Glide? - JWhen the temperature of the vaporizing refrigerant changes, even though the pressure remains the same.
FWhat are the two basic types of recovery devices? - JSelf-Contained and System-Dependent.
FSystem-Dependent devices may only be used on appliances containing how much refrigerant? - J15 Lbs of refrigerant or less
FWhat MUST be placed on a refrigerant cylinder being returned for reclaiming. - JA refrigerant label.
FAfter completing the transfer of liquid refrigerant between a recovery unit and a refrigeration system, you should guard against what? - JTrapping liquid refrigerant between the service valves.
FWhen pressurizing a system with nitrogen, you should always? - JCharge through a pressure regulator.
FWhat are the three "R's"? - JRecover, Recycle, and Reclaim.
FIn relation to the three "R's" what is Recover? - JTo remove refrigerant in any condition from a system and store it in an external approved container.
FIn relation to the three "R's" what is Recycle? - JTo clean refrigerant for reuse by seperating the oil from the refrigerant and removing moisture from the refrigerant by passing it through one or more filter dryers.
FCan Recycled refrigerant be resold? - JIt cannot be re-sold but it can be re-used.
FIn relation to the three "R's" what is Reclaim? - JTo process refrigerant to a level equal to new [Show Less]