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EPA CORE 608 CURRENT STUDY GUIDE 2024/25 QUESTIONS WITH VERIFIED 100% CORRECT ANSWERS!!
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EPA CORE 608 CURRENT STUDY GUIDE 2024/25 QUESTIONS WITH VERIFIED 100% CORRECT ANSWERS!!
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EPA CORE 608 CURRENT STUDY GUIDE2024/25 QUESTIONS WITH VERIFIED 100%
CORRECT ANSWERS!!
What does ozone in the stratosphere above the earth consist of? Answer -
Molecule containing 3 oxygen atoms
Which element of a CFC or HCFC molecule cause ozone depletion? Answer -
Chlorine
Ozone depletion in the stratosphere is what type of Problem? Answer - Global
From which of the following does the ozone layer protect the earth? Answer -
Ultraviolet radiation from the sun
What effect can stratospheric ozone depletion have on the environment?
Answer - Decreased crop yields and damage to marine organisms
Which type pf refrigerant typically has the lowest global warning potential?
Answer - HFOs
HFC refrigerants contain which of the following? Answer - Hydrogen, fluorine
& Carbon
Which of the following statements is true? Answer - Propane cylinders for
grilling contain impurities that can damage refrigeration equipment
, Which type of lubricants are HFO refrigerants miscible in? Answer - POE
lubricants
An example of a CFC refrigerant is: Answer - R-12
Which of the following is NOT a violation of the Clean Air Act of EPA's
regulations? Answer - Knowingly recovering an exempt refrigerant
What is the phaseout date for the production and import of new R-22 in the
U.S? Answer - 2020
Which of the following statements about "self-contained" recovery device is
true? Answer - They remove refrigerant from an appliance without the
assistance of components in the appliance
When working with an appliance containing HCFCs or HFCs, which of the
following does NOT require a person to be Section 608 certified technician?
Answer - Rewiring an external electric circuit
Which of the following is illegal? Answer - Knowingly releasing CFC, HCFC or
HFC refrigerants during the service, maintenance, repair or disposal of
appliances
How do refrigerant blends leak from a system? Answer - At uneven rates due
to different vapor pressures
Manufacturers often color code the exterior of gauges. What color is the high-
pressure gauge on a typical gauge manifold set? Answer - Red
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