Is a cfc refrigerant - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Is a cfc refrigerant? On this page you'll find 1353 study documents about Is a cfc refrigerant.
Page 3 out of 1.353 results
Sort by
-
EPA 608 Type 3 Questions and Answers Already Passed
- Exam (elaborations) • 18 pages • 2023
-
Available in package deal
-
- $9.49
- 2x sold
- + learn more
EPA 608 Type 3 Questions and Answers Already Passed On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings 
The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig 
Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... 
A hydrostatic tube test kit is used to: determine if a tube leaks 
Commercial and industrial process refrigeration systems must be rep...
-
RETA CARO Test | Questions with 100% Correct Answers | Verified
- Exam (elaborations) • 3 pages • 2023
-
- $7.99
- 1x sold
- + learn more
Which refrigerant has the highest mass flow requirement at the same evaporator and condensing 
temperature? - CFC-12 
which refrigerant is the first to be phased out by Montreal Protocol - CFC-12 
As the ratio between the evaporator and condensing pressure increases - the theoretical 
discharge temperature increases 
Under the Montreal Protocol - as long as a technician does not perform work on the 
refrigerant containing portions of a system they do not need to be certified 
Refrigerant leaks a...
-
EPA 608 Type 3 questions with correct answers
- Exam (elaborations) • 17 pages • 2023
- Available in package deal
-
- $14.49
- 1x sold
- + learn more
On low pressure chillers, moisture typically enters the refrigerant system through ans air leaks from areas with gaskets or fittings 
 
The maximum test pressure for leak testing a low pressure centrifugal is: ans 10 psig 
 
Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ans ... 
 
A hydrostatic tube test kit is used to: ans determine if a tube leaks 
 
Commercial and industrial process refrigeration systems must be repaire...
-
EPA 608 Type 1 Questions and Answers 100% Pass
- Exam (elaborations) • 5 pages • 2023
-
Available in package deal
-
- $9.49
- 3x sold
- + learn more
EPA 608 Type 1 Questions and Answers 100% Pass 
Recovery equipemnt used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after November 15, 1993 
Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 
EPA's definition of...
-
EPA 608 Core Test Sample Questions And Answers All Verified
- Exam (elaborations) • 53 pages • 2024
- Available in package deal
-
- $15.49
- + learn more
EPA 608 Core Test Sample Questions And Answers All Verified 
 
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 - ANS 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 ultraviolet (UV) 
rays in the stratosphere layer th...
Too much month left at the end of the money?
-
EPA 608 Exam Practice Questions 1-100
- Exam (elaborations) • 39 pages • 2022
-
- $12.49
- 2x sold
- + learn more
EPA 608 Exam Practice Questions 1-100EPA 608 Exam Practice Questions 1-100 
Ozone depletion is caused by _______ in HFC refrigerants. - Answer chlorine 
CFCs and HCFCs ________ making them capable capable of reaching the 
stratospheric ozone layer. - Answer do not dissolve in water or easily break down in the 
atmosphere 
According to the Rolanda-Molina theory, ________ are destroyed by each chlorine 
atom in the stratosphere. - Answer 100,000 ozone molecules 
The stratospheric ozone layer prote...
-
EPA 608 Certification Core Practice Test exam 2024 with 100% correct answers
- Exam (elaborations) • 27 pages • 2024
-
- $16.49
- + learn more
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 layer that extends about 6 to 30 miles above earth. 
 
The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is?Answer - Chlorine. 
 
What is an ozone molecule made of?Answ...
-
EPA 609 Technician Certification Exam Questions with Verified Answers |Latest 2024/2025
- Exam (elaborations) • 17 pages • 2024
- Available in package deal
-
- $12.49
- + learn more
R-12 is a _______________ type of refrigerant CFC 
 
Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than ________________ 20 LBS 
 
According to ____________ service shops must certify to the EPA that they own approved recovery. CAA 
 
Skin or eye contact with fluorocarbon refrigerants can result in IRRITATION, FROSTBITE, DEATH 
 
T/F Refrigerant are lighter than air: FALSE 
 
Which of the following refrigerants has minimum or zero ozone depletion potential: ...
-
EPA 608 Study Material Including (Core, Type 1, 2 And 3) Questions And Answers 2023
- Exam (elaborations) • 6 pages • 2023
-
Available in package deal
-
- $11.49
- 2x sold
- + learn more
a vacum pump should be connected - Correct answer-as far away from the pump as 
possible 
a high capacity vacuum pump and short, large diameter hoses will - Correct answerdramatically reduce emissions, pressure drop, and evacuation/dehydration time 
ozone contains three - Correct answer-oxygen atoms 
one chlorine atom can destroy - Correct answer-100,000 ozone molecules 
CFC's do not dissolve in water and do not breakdown into other compounds that 
dissolve in water - Correct answer-CFC's cann...
-
Seattle ROL All Possible Questions and Answers with complete solution
- Exam (elaborations) • 17 pages • 2024
- Available in package deal
-
- $7.99
- + learn more
According to the SMC group, #2 refrigerants are - Toxic, flammable, explosive under certain 
conditions, and includes ammonia and SO. 
A hermetic system is a totally enclosed refrigeration system when the - Motor and compressor are 
sealed within the same system with the refrigerant. 
A heat pump has what type of valve that redirects refrigerant flows from heating to cooling? - A 
four way reversing valve 
A capillary tube system responds to an overcharge by - Head pressure. 
A capillary tube sy...
$6.50 for your textbook summary multiplied by 100 fellow students... Do the math: that's a lot of money! Don't be a thief of your own wallet and start uploading yours now. Discover all about earning on Stuvia