EPA 608 Certification Core Exam Package Deal

If a leaking appliance with a regulated refrigerant is not going to be repaired, it must be; A retrofitted or retired within 3 months. B retrofitted or retired within 12 months. C replaced within 3 months. D replaced within 12 months. - Answer B retrofitted or retired within 12 months. A hig...

The use and release of CFCs and HCFCs has a far reaching effect on... - Answer The stratosphere Corp loss, eye disease and skin cancer have been attributed to: - Answer Depletion of Stratospheric ozone The chlorine in CFCs and HCFCs: - Answer will not dissolve in water Which of the followin...

To process refrigerant to a level that is equal to new product specifications as - Answer Reclaiming The low side test pressure data plate value should be used by a technician to determine a safe pressure for - Answer Leak testing Silicone elastomers are not compatible with what refrigerant - ...

The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. - Answer Restricted to technicians who are EPA certified and refrigerant recovery A small Pliance is defined as a system that is - Answer Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 poun...

On low pressure chillers, moisture typically enters the refrigerant system through - Answer air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - Answer 10 psig Leak test and repair the chiller to reduce refrigerant loss from ...

What is a blend of two or more components who's equilibrium vapor phase & liquid phase compositions are the same at a given pressure? - Answer Azeotrope This is a halogenated hydrocarbon containing one or more of the three halogens: fluorine, chlorine, and bromine - Answer Halocarbon Chlorofl...

Technicians who perform sealed system service on small appliances must have; - Answer Type I or universal certification A small appliance is defined by EPA as; - Answer Appliances manufactured, charged, and hermetically sealed in a factory with 5 lbs or less of refrigerant Type I Certification...

How many types of HVAC certifications are there? - Answer There are 4 types. What does a metering device do? - Answer The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - Answer Heat is absorbed in the ev...

Type I - Answer Small appliances- 5lbs or less Type II - Answer Residental Units/ Light Commercial Type III - Answer Industrial Universal - Answer All types November 14th, 1994 - Answer Section 608 of the federal clean air act requires all persons who maintain, service, repair or dispose...

the state of the refrigerant entering the metering device is? - Answer A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - Answer R-503 what type of refrigerant is used in MEDIUM pressure appliances? - Answer R-500 what type of refrigerant ...

When moisture exists in an operating system, what is most likely to occur? - Answer Acid will form. What factor(s) affects the speed of evacuation? - Answer 1) The size of the equipment being evacuated. 2)The ambient temperature. 3) The amount of moisture in the system A system is consid...

Ozone stratosphere above the earth consists of molecules containing... - Answer 3 oxygen atoms (O3) The oxygen we breathe contains how many atoms in each molecule? - Answer two atoms (O2) The ozone layer consists of ozone in the stratosphere at an altitude of between __________above the earth ...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - Answer July 1, 1992. What is the ozone layer and why is it important to us on Earth? - Answer Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere lay...