EPA 608 LATEST ACTUAL EXAM VERSION 1

EPA 608 LATEST ACTUAL EXAM VERSION 1

WITH 250 QUESTIONS AND CORRECT ANSWERS

(100% CORRECT VERIFIED ANSWERS) WELL

ELABORATED QUESTIONS AND ANSWERS (AGRADE)

What is EPA 608 Type I certification? - ANSWER-Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less).

What is EPA 608 Type II certification? - ANSWER-Persons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small appliances and motor vehicle air conditioning systems.

What is EPA 608 Type III certification? - ANSWER-Persons who maintain, service, repair, or dispose of low pressure appliances.

What is EPA 608 Universal certification? - ANSWER-Persons who maintain, service, repair, or dispose of both low and high pressure equipment, as well as appliances.

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.

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HFC's - ANSWER-HydroFlouroCarbon's

CFC's - ANSWER-ChloroFluoroCarbon's

ODP - ANSWER-Ozone Depletion Potential

Which international treaty agreement was the basis for Section 608? - ANSWER- The Montreal Protocol.

Depletion of the ozone in the stratosphere is know to cause what 6 things? - ANSWER-1.Crop losses 2.Increases in eye diseases 3.Skin Cancer 4.Reduced marine life 5.Deforestation 6.Increased ground level ozone

What happens when CFC or HCFC molecules get in the stratosphere & free atoms of Chlorine are set free? - ANSWER-These 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.

What date was recovery equipment required to be certified by a lab, & achieve higher evacuation levels, & have low loss fittings? - ANSWER-November 15, 1993

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On what date was technician certification required? - ANSWER-November 14, 1994

What date was CFC's phased out of production? - ANSWER-December 31, 1995

What are HydroChloroFluoroCarbons? - ANSWER-Commonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine, fluorine, and carbon.

A recovery cylinder must not be filled more than ___ % of it's capacity by weight?

- ANSWER-80%

How should refrigerant cylinders be shipped? - ANSWER-Up-right with proper DOT classification tags.

What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with CFC's and HCFC's. - ANSWER-Polyolester

HCFC's have very low atmospheric concentrations measured in parts per? - ANSWER-Trillion

All cooling systems containing more than 50 lbs. of refrigerant must be repaired when the annual leak rate exceeds___? - ANSWER-15%

Mineral Oils are used with? - ANSWER-All CFC's

Alkebenzene is used alone or as an additive for? - ANSWER-HCFC's (Will also work with CFC's) 3 / 4

POE - ANSWER-Polyolester

What is the definition of a Type I Appliance? - ANSWER-A small appliance that is manufactured, charged, and hermetically sealed in a factory with 5 Lbs. of refrigerant or less.

What is the definition of a Type II Appliance? - ANSWER-High 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.

What is the definition of a Type III Appliance? - ANSWER-Low pressure equipment like low pressure chillers.

All refrigerants are assumed to be a single chemical if they are numbered what? - ANSWER-1-399 and 600 and above.

What is an Azeotrope? - ANSWER-A mixture of two or more liquids in such a ratio that it's composition cannot be changed by vaporizing it.

Azeotrope's are numbered what? - ANSWER-500 to 599

What is fractionation? - ANSWER-When the refrigerant leaks, it leaks out in different rates due to the different pressures.

What is Temperature Glide? - ANSWER-When the temperature of the vaporizing refrigerant changes, even though the pressure remains the same.

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