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EPA 608 Certification ALL BUNDLED HERE!!! 2024( A GRADED 100% VERIFIED BY EXPERTS ) FULL PACKED SOLUTION

The most visible part of the nail is - ANSWER Nail plate Nail Bed - ANSWER - Is the portion of living skin that supports the nail plate. - has blood vessel and many nerves What rests on the nail bed? - ANSWER Nail plate The visible part of the matrix is - ANSWER Lunula

White spots on the nails are known as - ANSWER Leukonychia Tuberculosis can be transmitted through - ANSWER Coughing What is an efficacy claim? - ANSWER A list of specific germs on a product label, which has been proven to kill Which of the following bacteria that grows in clusters like a bunch of grapes, cause abscess, pustules, and boils? - ANSWER Staphylococci/staphylococcus

When a new system has been assembled, the first thing to do is? - ANSWER Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? - ANSWER Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be repaired when the leak rate exceeds _________ of the charg...

Before charging a new system with refrigerant, what should be done? - ANSWER Pressurize with nitrogen (classified as an inert gas) and leak Which refrigerant can be used for leak detection as a trace gas and pressurized with nitrogen? - ANSWER R-22 What tools can you use to find general area of leaks and pinpoint leaks? a. Soap bubbles. b. Look for oil residue c. Electronic or ultrasonic leak detector will provide the general area of the leak d. Refrigerant dye - ANSWER c...

Industrial process and refrigeration units with a 50 pound charge or more with an annualized leak rate of _____ or more must have leaks repaired. - ANSWER 35 Unless plans are made to replace a system exceeding the maximum leak, repairs must be made in; - ANSWER 30 days Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; - ANSWER a 1 All Refrigeration & HVAC systems are protected by a; - ANSWER pressure relief valve

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 - ANSWER HFC How many molecules does an ozone molecule contain? - ANSWER 3 oxygen atoms

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 - ANSWER HFC How many molecules does an ozone molecule contain? - ANSWER 3 oxygen atoms

Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - ANSWER 5 years How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? - ANSWER $44,539 HCFCs contain - ANSWER Hydrogen, Chlorine, Fluorine, and Carbon Which of the following refrigerants is an HFO? - ANSWER R-1234ze An ozone molecule contains; - ANSWER Three oxygen atoms

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 high-pressure appliance containing 210 lbs. of R-407C refrigerant must be evacuated (recovered) to a level of; A 15 inches of vacuum B 10 inches of vacuum C 4 inches of vacuum D 0 inches of vacuum ...

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 pounds or less A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge is below 15 pounds. - ANSWER System dependent You m...

November 14, 1994 - ANSWER What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - ANSWER 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment n...

What are the typical uses of the center port of gauge set? - ANSWER Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? - ANSWER Low pressure is blue, High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - ANSWER High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. Is the refrigerant leaving a condenser at a h...

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 considered dehydrated when? - ANSWER The vacuum indicator shows you have reached & held the required finished vacuum.

Refrigeration technicians who violate the Clean Air Act can: - - ANSWER Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - - ANSWER recovery and recycling. Refrigerant that is recovered can be returned to: - - ANSWER the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed" unless...

Which Refrigerants contain the most chlorine? - ANSWER CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - ANSWER July 1, 1992 Which Refrigerants have the lowest zone depletion potential? - ANSWER HFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: - ANSWER Chlorine

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 - ANSWER a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin layer ...

a vacum pump should be connected - ANSWER as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - ANSWER dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - ANSWER oxygen atoms one chlorine atom can destroy - ANSWER 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - ANSWER CFC's cannot be washed ...

Are there drop-in replacements for R-12 systems? Why or why not? - ANSWER No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - ANSWER Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - ANSWER Alkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? - ANSWER Ternary blends are three-part mixtu...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - ANSWER November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWER Recover all refrigerants. The objective of the Clean Air Act is to protect what? - ANSWER The earth's stratosphere.