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Examen
Cfc Core Quiz Exam With 100% Correct Answers 2023
Cfc Core Quiz Exam With 100% Correct Answers 2023
Examen
CFC Core - Test #1 Exam With Complete Solutions 2023
CFC Core - Test #1 Exam With Complete Solutions 2023
Examen
CFC Test Exam Questions And Answers 2023
CFC Test Exam Questions And Answers 2023
Examen
CFC Exam With 100% Correct Answers 2023
CFC Exam With 100% Correct Answers 2023
Examen
CFC Exam With Complete Solutions 2023
CFC Exam With Complete Solutions 2023
Examen
CFC Core Exam Questions And Answers 2023
CFC Core Exam Questions And Answers 2023
Examen
CFC Core Exam Questions | 130 Questions with 100% Correct Answers | Latest Update | Verified | 30 Pages
__are fluorocarbon refrigerants that cause no harm to stratospheric ozone. 
A.CFCS 
B.HCFCS 
C.HFCs 
D.HalonsTM - C 
2.The Clean Air Act_. 
A.calls for the phaseout of PFC refrigerant production 
B.requires that all leaks be fixed within 30 days 
C.requires OSHA to set standards for the recovery of refrigerants prior to appliance disposal 
D.prohibits CFC/HCFC venting as of July 1,1992 - D 
3.Refrigerant__is the type of contamination that is the most difficult for a reclaiming facility to 
elimi...
Lote
CFC Exam Package Deal -Solved
CFC Certification Practice Test 2023/2024
CFC Test Graded A+
CFC Core Exam Questions and Answers 100% Correct
CFC Industry Exam with Complete Solutions
Examen
CFC Test Graded A+
asphyxiate you - ANSWER-While R22 is considerd to be non toxic it can 
 
oxygen - ANSWER-never use_____ to purge lines or to pressure a unit 
 
when refrigerant is in the line - ANSWER-when should u never cut or weld a refrigerant line 
 
check data plate - ANSWER-how do you determine the safe pressure for leak testing 
 
A1 - ANSWER-what is the most safe designation 
 
trapping liquid refrigerant between service valves - ANSWER-when completing a refrigerant liquid transfer between recovery unit...
Examen
Chlorofluorocarbons (CFCs) Questions and Answers 2023
Chlorofluorocarbons (CFCs) Questions and Answers 2023 
cause 
chemical substances used primarily as propellants in aerosol cans and for refrigerants in cooling systems such as freon 
 
 
 
effect 
cfgs being lighter than air move upward in the atmosphere and deplete the ozone layer thereby allowing the sun's ultraviolet rays to penetrate 
 
 
 
testing 
continued tests on the ozone layer indicate that is still being depleted despite the banning of cfgs in household products 
 
 
 
remedy 
amend...
Examen
C6 atmosphere and cfc's Questions and Answers 2023
C6 atmosphere and cfc's Questions and Answers 2023 
CFC's 
Chlorofluorocarbons 
 
 
 
Non-toxic, non-flammable, insoluble in water, low boiling points 
Properties of CFC's 
 
 
 
Previous uses of CFC's 
Coolants in refrigerators,air conditioning systems and propellants in spray cans 
 
 
 
Ozone layer 
Chlorine destroys the? 
 
 
 
Ozone layer 
CFC's break down and destroy the? 
 
 
 
Ozone 
O3 
 
 
 
Uv light 
Reducing size if ozone layer means letting more ------- from the sun onto earth ...
Examen
OZONE layer protection; CFC exam Questions and Answer 2023
OZONE layer protection; CFC exam Questions and Answer 2023 
ozone construction exists as 3 basic forms 
o - oxygen atom 
o2 - oxygen molecule 
o3 - ozone molecule - toxic, unstable gas, protects us from UV sunlight 
 
 
 
sunlight strikes o2 molecules and splits them, the floating o atoms will "float" and come into contact with o2 to form 
o3- ozone molecule 
 
 
 
the stratosphere is approx. how far away above earths surface 
15 to 50 km 
 
 
 
normally there is a balance between the ________...
Examen
Cfc Core Quiz Questions and Answers 2023
Cfc Core Quiz Questions and Answers 2023 
Chloroflourocarbons (CFCs) and hydrochlorofluorocarbons (HCFC's) have the following similarity: 
They must be recovered before opening or disposing of an appliance 
 
 
 
The time it takes to properly evacuate and dehydrate a system prior to charging with refrigerant is determined by the: 
all of the above: 
Total volume of the system 
 
Amount on non-condensibles (moisture) in the system 
 
Ambient temperature 
 
 
 
Whenever dry nitrogen is used in se...
Examen
CFC's and Ozone Depletion Questions and Answers 2023
CFC's and Ozone Depletion Questions and Answers 2023 
What is the full name for "CFCs"? 
Chlorofluorocarbon 
 
 
 
Why were CFCs developed and how were they used? 
Humans synthesized the production of CFCs because they are nontoxic, nonflammable, cheap and widely available. They revolutionized air conditioning making it readily accessible for homes, offices, schools, cars etc. CFC technology transformed the economy as it spurred the growth of humid/hot countries. 
 
 
 
Chemical Formula for C...
Examen
Chem 15/03 CFC's Questions and Answers 2023
Chem 15/03 CFC's Questions and Answers 2023 
What are CFC's? 
Chlorofluorocarbons- contain only chlorine, fluorine and carbon- all hydrogens replaced. 
 
 
 
Describe CFC's? 
Volatile 
Non toxic 
Non flammable 
Stable 
 
 
 
What were CFC's used in? 
 
Why were they stopped being used in these? 
Fridges 
Aerosol cans 
Air conditioning 
Dry cleaning 
 
Destroying ozone layer. 
 
 
 
Where is ozone layer? 
In layer of atmosphere called stratosphere. It contains most of atmosphere's ozone mole...
Examen
Chlorofluorocarbons Questions and Answers 2023
Chlorofluorocarbons Questions and Answers 2023 
What makes up a CFC? 
Chlorine, fluorine, and carbon 
 
 
 
What is it made from? 
Methane, propane, and ethane 
 
 
 
What is it used for? 
Refrigeration, propellants in aerosols, solvents, and in air conditioning 
 
 
 
Environmental effects? 
Depletes the ozone layer. Absorbs infrared rays 10 000 times as much as CO2 
 
 
 
Direct human health effects? 
Death, attacks the lungs, central nervous system, heart, liver, and kidneys. 
 
 
 
Is it car...
Examen
CFC Certification Practice Test Questions and Answers 2023
CFC Certification Practice Test Questions and Answers 2023 
Manufacturers often color code the exterior of gauges, on a typical gauge manifold set the low pressure gauge is color coded 
blue 
 
 
 
Approved refrigerant recovery cylinders can be identified by which colors 
gray body and yellow top 
 
 
 
Chlorofluorocarbon (CFC) refrigerants are so named because they contain the elements 
chlorine, fluorine, carbon 
 
 
 
What is being done in the U.S. to stop damage to the stratosphere 
enforcin...
Examen
CFC Core Exam Questions and Answers 2023
CFC Core Exam Questions and Answers 2023 
__are fluorocarbon refrigerants that cause no harm to stratospheric ozone. 
A.CFCS 
B.HCFCS 
C.HFCs 
D.HalonsTM 
C 
 
 
 
2.The Clean Air Act_. 
A.calls for the phaseout of PFC refrigerant production 
B.requires that all leaks be fixed within 30 days 
C.requires OSHA to set standards for the recovery of refrigerants prior to appliance disposal 
D.prohibits CFC/HCFC venting as of July 1,1992 
D 
 
 
 
3.Refrigerant__is the type of contamination that is th...
Examen
CFC TYPE 1 Questions and Answers 2023
CFC TYPE 1 Questions and Answers 2023 
What is an example of a CFC refrigerant? 
R-12 
 
 
 
What compounds have the highest ozone depletion potential? 
CFCs 
 
 
 
CFC refrigerants contain: 
Chlorine, Fluorine, Carbon 
 
 
 
Ozone above the earth consist of: 
Molecules containing 3 oxygen atoms 
 
 
 
What atom of CFC molecule causes depletion of the ozone? 
Chlorine 
 
 
 
What type problem is ozone depletion in the stratosphere? 
Global 
 
 
 
What is being done to stop damage to the ozone? 
...
Examen
Cfc Questions And Answers 2023
CFC QUESTIONS AND ANSWERS 2023 
WHATS IS CFC 
CHLORINE FLOURIDE CARBON 
 
 
 
WHATS IS HCFC 
HYDROGEN CHLORINE FLOURINE CARBON 
 
 
 
Core 
...Ozone in the stratosphere above the earth consists of molecules containing 3 oxygen atoms . 
 
 
 
Core. 
...CFC's have the highest ozone depletion potential . 
 
 
 
Core. 
...Chlorine is atom of CFC molecules that causes ozone depletion . 
 
 
 
Core 
...CFC's neither dissolve in water or break down into compounds that dissolve in water , so they do n...