Who does online testing for Refrigerant CFC certicate?

Who does online testing for Refrigerant CFC certicate?
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CFC a byproduct in uranium enrichment process?

Description : CFC a byproduct in uranium enrichment process?

Last Answer : I can't give you a direct quote about chlorine, fluorine and carbon, as I haven't taken this stuff in about 3 years. BUT, Nuclear plants aren't really 100% clean. They are better obviously than coal or gas ... any entry level college chem book .. I sold mine long ago or I'd look it up for ya).

How does CFC gas damage the ozone layer in the atmosphere ?

Description : How does CFC gas damage the ozone layer in the atmosphere ?

Last Answer : When CFC gas is present in the stratosphere of the atmosphere, the sun's ultraviolet rays break it down and release chlorine. This free chlorine acts as a catalyst and breaks down ozone into oxygen.

What is CFC ?

Description : What is CFC ?

Last Answer : CFC is a harmful gas. Its full name is chloro fluoro carbon. Which converts ozone to oxygen.

Which destroys CFC or chlorofluoro carbon ?

Last Answer : CFC or chlorofluoro carbon destroys the weight layer

Why is CFC gas harmful ?

Last Answer : CFC gas is harmful to the environment as it creates holes in the ozone layer.

In 2002 AD,CFC concentration of atmosphere was

Description : In 2002 AD,CFC concentration of atmosphere was

Last Answer : In 2002 AD,CFC concentration of atmosphere was A. 261 ppt B. 326 ppb C. 1750 ppb D. 368 ppm.

Chlorofluorocarbon (CFC) is mainly responsible for:

Description : Chlorofluorocarbon (CFC) is mainly responsible for:

Last Answer : Chlorofluorocarbon (CFC) is mainly responsible for: A. Reduction in ozone B. Ozone ... Formation of leghaemoglobin D. Enhance chlorophyll formation

CFC is not recommended to be used in refrigerators because they:

Description : CFC is not recommended to be used in refrigerators because they:

Last Answer : CFC is not recommended to be used in refrigerators because they: A. Increases temperature B. Cause allergic reaction C. Deplete ozone D. Both A and B

CFC s split up in strastosphere to release chlorine by the action of

Description : CFC s split up in strastosphere to release chlorine by the action of

Last Answer : CFC s split up in strastosphere to release chlorine by the action of A. UV-A B. UV-B C. UV-C D. All the above

Arrange `CFC, CH_(4), N_(2)O, and CO_(2)` in decreasing order according to their contribution in greenhouse effect:

Description : Arrange `CFC, CH_(4), N_(2)O, and CO_(2)` in decreasing order according to their contribution in greenhouse effect:

Last Answer : Arrange `CFC, CH_(4), N_(2)O, and CO_(2)` in decreasing order according to their contribution in greenhouse ... (2)` D. `CO_(2)gtCH_(4)gtCFCgtN_(2)O`

What was a key design change for HFC-134A ac system versus CFC-1 AC SYSTEM?

Description : What was a key design change for HFC-134A ac system versus CFC-1 AC SYSTEM?

Last Answer : electric compressors

petroleum The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Description : petroleum The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Last Answer : ANSWER: C

Methane The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Description : Methane The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Last Answer : ANSWER: C

The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Description : The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Last Answer : ANSWER: C

The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Description : The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Last Answer : ANSWER: C

The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Description : The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC

Last Answer : ANSWER: C

The pollutant responsible for ozone holes is - (1) CO2 (2) SO2 (3) CO (4) CFC

Description : The pollutant responsible for ozone holes is - (1) CO2 (2) SO2 (3) CO (4) CFC

Last Answer : (4) CFC Explanation: Chlorofluorocarbons (CFCs) have been held responsible for the depletion of ozone layer. The manufacture of CFCs has been phased out under the Montreal Protocol, and they are being replaced with other products such as HFCs.

Industrial name of CFC?

Description : Industrial name of CFC?

Last Answer : Freon

The major part of natural gas, petroleum and coal consists of? A. Carbon B. Chlorine C. CFC D. Methane (Answer)

Description : The major part of natural gas, petroleum and coal consists of? A. Carbon B. Chlorine C. CFC D. Methane (Answer)

Last Answer : D. Methane (Answer)

Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Description : Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Last Answer : (C)CFC

Which of the following gases contributes maximum to global warming? (A) CFC (B) CO2 (C) Methane (D) NO 2

Description : Which of the following gases contributes maximum to global warming? (A) CFC (B) CO2 (C) Methane (D) NO 2

Last Answer : (C) Methane

Greenhouse gas having largest contribution to global warming A) Carbon dioxide (60%) (B) Nitrous oxide (5%) (C) Methane (15%) (D) CFC

Description : Greenhouse gas having largest contribution to global warming A) Carbon dioxide (60%) (B) Nitrous oxide (5%) (C) Methane (15%) (D) CFC

Last Answer : A) Carbon dioxide (60%)

Which of the following is a green house gas other than CO2? (A) Methane (B) Nitrous oxide (C) Chlorofluoro carbons (CFC) (D) All (A), (B) and (C)

Description : Which of the following is a green house gas other than CO2? (A) Methane (B) Nitrous oxide (C) Chlorofluoro carbons (CFC) (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Description : Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Last Answer : (D) CFC (chloro fluoro carbon)

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Last Answer : (A) CO

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone. (A) 10 2 (B) 10 5 (C) 10 9 (D) 10 15

Description : CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone. (A) 10 2 (B) 10 5 (C) 10 9 (D) 10 15

Last Answer : (B) 10 5

Which of the following GHGs has the longest atmospheric life time? a) CO2 b) CFC c) Sulfur Hexafluoride (SF6) d) perfluorocarbon (PFC)

Description : Which of the following GHGs has the longest atmospheric life time? a) CO2 b) CFC c) Sulfur Hexafluoride (SF6) d) perfluorocarbon (PFC)

Last Answer : d) perfluorocarbon (PFC)

This cause the depletion of ozone layer by decomposing ozone to oxygen . a) CFC b)UV radiations c)CO2 d)O2

Description : This cause the depletion of ozone layer by decomposing ozone to oxygen . a) CFC b)UV radiations c)CO2 d)O2

Last Answer : b)UV radiations

Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.

Description : Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.

Last Answer : a) Reduction in ozone

Which is not a green house gas? a) CFC b) CH4 c) CO d) H2

Description : Which is not a green house gas? a) CFC b) CH4 c) CO d) H2

Last Answer : a) CFC

Major aerosol pollutant in Jet Plane emission is a) SO2 b) CO c) CH4 d) CFC.

Description : Major aerosol pollutant in Jet Plane emission is a) SO2 b) CO c) CH4 d) CFC.

Last Answer : d) CFC.

The pollutant responsible for ozone holes is _____. (1) CO2 (2) SO2 (3) CO (4) CFC

Description : The pollutant responsible for ozone holes is _____. (1) CO2 (2) SO2 (3) CO (4) CFC

Last Answer : CFC

Would using an old refrigerator that takes blocks of Ice as the refrigerant be better for any reason?

Description : Would using an old refrigerator that takes blocks of Ice as the refrigerant be better for any reason?

Last Answer : Energy is still used. That ice has to come from somewhere and then it has to be delivered.

What is the best refrigerant gas?

Description : What is the best refrigerant gas?

Last Answer : Best refrigerant gas is R-290 and R600A because of its low environmental impact and excellent thermodynamics performance.

Is freon Refrigerant Harmful to the environment?

Description : Is freon Refrigerant Harmful to the environment?

Last Answer : Of course it is . Freon is a chlorofluorocarbons that causes depletion of ozone.Freon contains number of halo products like chlorine ,hydrogen bromine etc. Refrigerators are powerful source of these ... house which is causing increased temperature on earth sea level rising .ice depletion etc.

How do i check the refrigerant level of my car AC?

Description : How do i check the refrigerant level of my car AC?

Last Answer : To perfectly check your AC level you need to understand the components that makes up the unit such as compressor, condenser, evaporator. But the simplest method is to check if the air coming out ... use of gauge to check the air pressure from compressor but this needs a more expertise experience.

What is use of refrigerant gas in Air conditioner and in Refrigerator?

Description : What is use of refrigerant gas in Air conditioner and in Refrigerator?

Last Answer : Refrigerants are the common name for the chemical blend that cycles through the AC, changing from liquid to a gas as it absorbs and release heat.

Why must liquid refrigerant be present for the pressure - temperature relationship to apply?

Description : Why must liquid refrigerant be present for the pressure - temperature relationship to apply?

Last Answer : Need answer

What happens If a large amount of lubricant is removed from a system during refrigerant recovery?

Description : What happens If a large amount of lubricant is removed from a system during refrigerant recovery?

Last Answer : the sys has too much lubricant

What sae standards must be referred to on label of approved hfc-134a refrigerant recycling machines?

Description : What sae standards must be referred to on label of approved hfc-134a refrigerant recycling machines?

Last Answer : SAE J2210 or SAE J2788

What EPA rules require capture. of 80 of the refrigerant from a small appliance sealed system with a non-operating comprerssor if technicians are using?

Description : What EPA rules require capture. of 80 of the refrigerant from a small appliance sealed system with a non-operating comprerssor if technicians are using?

Last Answer : Feel Free to Answer

What degrees of superheat does a refrigerant system evaporator run?

Description : What degrees of superheat does a refrigerant system evaporator run?

Last Answer : Feel Free to Answer

If an hfc-134a AC system still has pressure after the first refrigerant recovery process is complete additional recovery is necessary until the system vacuum level remains stable for?

Description : If an hfc-134a AC system still has pressure after the first refrigerant recovery process is complete additional recovery is necessary until the system vacuum level remains stable for?

Last Answer : 5

How come moisture mentioned in SEA J2099 standards of refrigerant purity?

Description : How come moisture mentioned in SEA J2099 standards of refrigerant purity?

Last Answer : What is the answer ?

Where is subcooled refrigerant found?

Description : Where is subcooled refrigerant found?

Last Answer : Need answer

How do you add refrigerant to a Toyota Camry?

Description : How do you add refrigerant to a Toyota Camry?

Last Answer : Need answer

If an hfc-134a AC system still has pressure after the first refrigerant recovery process is complete additional recovery is necessary until the system vacuum level remains stable for?

Description : If an hfc-134a AC system still has pressure after the first refrigerant recovery process is complete additional recovery is necessary until the system vacuum level remains stable for?

Last Answer : 5

Auto air conditioning refrigerant compatibility?

Description : Auto air conditioning refrigerant compatibility?

Last Answer : All air conditioning units use Freon, a chemical that when circulated helps to keep air cool. The kind of freon used in both devices is not the same, and chemical solutions with different amounts of each are needed to get the job done.

In milk chilling plant, the usual secondary refrigerant is (a)ammonia (b)sodium silicate (c) glycol (d) brine

Description : In milk chilling plant, the usual secondary refrigerant is (a)ammonia (b)sodium silicate (c) glycol (d) brine

Last Answer : Ans: d

The condition of refrigerant before entering the expansion or throttle valve, in a vapour compression system (a) dry vapour (b) wet vapour (c)liquid-vapour mixture (d) high pressure saturated liquid

Description : The condition of refrigerant before entering the expansion or throttle valve, in a vapour compression system (a) dry vapour (b) wet vapour (c)liquid-vapour mixture (d) high pressure saturated liquid

Last Answer : Ans: d