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

What is use of refrigerant gas in Air conditioner and in Refrigerator?
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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.
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Condensing temperature in a refrigerator is the temperature (a) of cooling medium (b) of freezing zone (c) of evaporator (d) at which refrigerant gas becomes liquid

Description : Condensing temperature in a refrigerator is the temperature (a) of cooling medium (b) of freezing zone (c) of evaporator (d) at which refrigerant gas becomes liquid

Last Answer : Ans: d

The C.O.P. of a domestic refrigerator in comparison to domestic air conditioner will be (a) same (b) more (c) less (d) dependent on weather conditions

Description : The C.O.P. of a domestic refrigerator in comparison to domestic air conditioner will be (a) same (b) more (c) less (d) dependent on weather conditions

Last Answer : Ans: c

The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is (A) Less (B) More (C) Same (D) Dependent on climatic conditions

Description : The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is (A) Less (B) More (C) Same (D) Dependent on climatic conditions

Last Answer : (A) Less

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.

In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to (a) collect liquid refrigerant and prevent it from going to compressor (b) detect liquid in vapour (c) superheat the vapour (d) increase refrigeration effect

Description : In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to (a) collect liquid refrigerant and prevent it from going to compressor (b) detect liquid in vapour (c) superheat the vapour (d) increase refrigeration effect

Last Answer : Ans: a

In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is (a) less than 2 kg (b) more than or equal to 3.65 kg (c) more than 10 kg (d) there is no such consideration

Description : In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is (a) less than 2 kg (b) more than or equal to 3.65 kg (c) more than 10 kg (d) there is no such consideration

Last Answer : Ans: b

The bank of tubes at the back of domestic refrigerator are (a) condenser tubes (b) evaporator tubes (c) refrigerant cooling tubes (d) capillary tubes

Description : The bank of tubes at the back of domestic refrigerator are (a) condenser tubes (b) evaporator tubes (c) refrigerant cooling tubes (d) capillary tubes

Last Answer : Ans: a

The refrigerant for a refrigerator should have (a) high sensible heat (b) high total heat (c) high latent heat (d) low latent heat

Description : The refrigerant for a refrigerator should have (a) high sensible heat (b) high total heat (c) high latent heat (d) low latent heat

Last Answer : Ans: c

The common refrigerant in domestic refrigerator is - (1) Neon (2) Oxygen (3) Nitrogen (4) Freon

Description : The common refrigerant in domestic refrigerator is - (1) Neon (2) Oxygen (3) Nitrogen (4) Freon

Last Answer : (4) Freon Explanation: Common refrigerants used in domestic refrigerators are freon, neon and nitrogen. It flows through four components of refrigerator again and again. These four components are cooling chamber, compressor, heat exchanger and expander

The common refrigerant used in domestic Refrigerator is-------? A. Neon B. Spirit C. Freon/Ammonia (Answer) D. Methane

Description : The common refrigerant used in domestic Refrigerator is-------? A. Neon B. Spirit C. Freon/Ammonia (Answer) D. Methane

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An ideal liquid refrigerant should (A) Not have a sub-atmospheric vapour pressure at the temperature in the refrigerator coils (B) Not have unduly high vapour pressure at the condenser temperature (C) Both (A) and (B) (D) Have low specific heat

Description : An ideal liquid refrigerant should (A) Not have a sub-atmospheric vapour pressure at the temperature in the refrigerator coils (B) Not have unduly high vapour pressure at the condenser temperature (C) Both (A) and (B) (D) Have low specific heat

Last Answer : (C) Both (A) and (B)

Which of the following is an undesirable characteristic of a refrigerant? (A) It should be non-explosive (B) It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils (C) Its vapor pressure at the condenser temperature should be very high (D) None of these

Description : Which of the following is an undesirable characteristic of a refrigerant? (A) It should be non-explosive (B) It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils (C) Its vapor pressure at the condenser temperature should be very high (D) None of these

Last Answer : (B) It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

The common refrigerant used in domestic refrigerator is?

Description : The common refrigerant used in domestic refrigerator is?

Last Answer : Freon

The common refrigerant in domestic refrigerator is (1) Neon (2) Oxygen (3) Nitrogen (4) Freon

Description : The common refrigerant in domestic refrigerator is (1) Neon (2) Oxygen (3) Nitrogen (4) Freon

Last Answer : Freon

Which gas is used as referigerant in fridge and in air conditioner? -Chemistry 9th

Description : Which gas is used as referigerant in fridge and in air conditioner? -Chemistry 9th

Last Answer : Freon In less difficult terms, it is a cooling substance that is liable for the cooling impact of the air-conditioner. R22 with an atomic recipe of CHCLF2 is the most generally utilized refrigerant for Air-conditioners. It continually changes its state(Solid, Liquid, and gas) at various temperature

What is the type of freon gas used in central air conditioner unit?

Description : What is the type of freon gas used in central air conditioner unit?

Last Answer : They use R410a eco friendly refrigerant gas now.

Consider the following statements 1. Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. 2. Ammonia can be liquefied at ambient temperatures and at low pressures. 3. Chlorofluorocarbons are air pollutants. The correct statement(s) is/are: (a) 1 and 3 only (b) 2 and 3 only (c) 1, 2 and 3 (d) 3 only

Description : Consider the following statements 1. Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. 2. Ammonia can be liquefied at ambient temperatures and at low pressures. 3. Chlorofluorocarbons are ... 3 only (b) 2 and 3 only (c) 1, 2 and 3 (d) 3 only

Last Answer : Ans:(a)

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.

Refrigeration in aeroplanes usually employs the following refrigerant (a) Co2 (b) Freon-11 (c) Freon-22 (d) Air

Description : Refrigeration in aeroplanes usually employs the following refrigerant (a) Co2 (b) Freon-11 (c) Freon-22 (d) Air

Last Answer : Ans: d

Which of the following cycles uses air as the refrigerant? (a) Ericsson (b) Stirling (c) Carnot (d) Bell-coleman

Description : Which of the following cycles uses air as the refrigerant? (a) Ericsson (b) Stirling (c) Carnot (d) Bell-coleman

Last Answer : Ans: d

Which of the following situations can be approximated to a steady state heat transfer system? (A) A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at 35°C (B) 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C (C) Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C (D) A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C

Description : Which of the following situations can be approximated to a steady state heat transfer system? (A) A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at ... flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C

Last Answer : (B) 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C

The benchmarking parameter for air conditioning equipment is a) kW/Ton of Refrigeration b) kW/ kg of refrigerant handled c) kcal/m3 of chilled water d) Differential temperature across chiller

Description : The benchmarking parameter for air conditioning equipment is a) kW/Ton of Refrigeration b) kW/ kg of refrigerant handled c) kcal/m3 of chilled water d) Differential temperature across chiller

Last Answer : kW/Ton of Refrigeration

The benchmarking parameter for air conditioning equipment is a) kW/Ton of Refrigeration b) kW/ kg of refrigerant handled c) kcal/m3 of chilled water d) Differential temperature across chiLLER

Description : The benchmarking parameter for air conditioning equipment is a) kW/Ton of Refrigeration b) kW/ kg of refrigerant handled c) kcal/m3 of chilled water d) Differential temperature across chiLLER

Last Answer : kW/Ton of Refrigeration

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.

A domestic refrigerator has a/an __________ cooled condenser. (A) Water (B) Air (C) Evaporative (D) Gas

Description : A domestic refrigerator has a/an __________ cooled condenser. (A) Water (B) Air (C) Evaporative (D) Gas

Last Answer : (B) Air

2000 Chevrolet truck: can you use "stop leak" with freon in air conditioner system?

Description : 2000 Chevrolet truck: can you use "stop leak" with freon in air conditioner system?

Last Answer : You can try one of these products availible at AutoZone http://www.autozone.com/autozone/accessories/Fluids-and-Chemicals/A-C-Stop-Leak/_/N-25qt

How To Use Air Conditioner Ratings To Determine If It Is Time To Replace The Old Air Conditioner?

Description : How To Use Air Conditioner Ratings To Determine If It Is Time To Replace The Old Air Conditioner?

Last Answer : Your air conditioner unit is rated for efficiency by using Seerefficiency ratings. Seer efficiency ratings actually stand forSeasonal Energy Efficiency Rating. The higher the Seer number, themore energy ... cost of energy a major factor in your replacementdecision?If the answer to these questi

Are there any OSHA requirements for air conditioner use?

Description : Are there any OSHA requirements for air conditioner use?

Last Answer : OSHA does not have any requirements as far as air conditioner usage but they do have some tips for air conditioning an office space. To see these go to http://www.osha.gov/SLTC/etools/computerworkstations/wkstation_enviro.html

How to use the air conditioner correctly and not get sick?

Description : How to use the air conditioner correctly and not get sick?

Last Answer : How to use the air conditioner correctly and not get sick? use the air conditioner correctlyApartments, offices, shops, cars equipped with devices that regulate the air temperature in an enclosed space ... using the air conditioner, and it will become a useful and absolutely safe assistant for you.

Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talcher (Orissa) (A) Use coal for heating purpose (B) Gasify coal to get hydrogen from coal gas (C) Use coal as filler in fertiliser (D) Use coal as conditioner in fertiliser

Description : Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talcher (Orissa) (A) Use coal for heating purpose (B) Gasify coal to get hydrogen from coal gas (C) Use coal as filler in fertiliser (D) Use coal as conditioner in fertiliser

Last Answer : (B) Gasify coal to get hydrogen from coal gas

Does anyone else turn off their air conditioner or heater in their car if they are lost or looking for a specific address or place?

Description : Does anyone else turn off their air conditioner or heater in their car if they are lost or looking for a specific address or place?

Last Answer : Oh yes, I do that. And not only that, but the first thing I turn off is the music - radio or cd player, etc. I do believe it helps me focus. It's one (or two or three) less thing/s that ... of the music, so I've felt sort of mentally challenged that I do it; like there was something wrong with me.

Can you name a brand of air conditioner that you trust? And any brand you wish you'd never bought?

Description : Can you name a brand of air conditioner that you trust? And any brand you wish you'd never bought?

Last Answer : I have a portable one by DeLonghi. Working fine for now.

Has anyone dropped a window air conditioner out of the window?

Description : Has anyone dropped a window air conditioner out of the window?

Last Answer : I have had 2 window units for over 20 years & NEVER had one fall out of my window. One window has had the unit replaced 4 times & still NO disaster!!! You just need to be careful when installing. ... sitting under my unit which works as well as the base did & it's more of a generic stabilizer!!!

Would it help if a furniture/air conditioner/ to have encouraging words in their instructions ?

Description : Would it help if a furniture/air conditioner/ to have encouraging words in their instructions ?

Last Answer : I wouldn’t hod my breath for that though since it would make it sound their product less interesting to buy if it says it’s hard.

What should be done if an air conditioner stops working, instead of getting rid of it or calling an expert?

Description : What should be done if an air conditioner stops working, instead of getting rid of it or calling an expert?

Last Answer : What are you asking? Maybe call your cousin Bob to see if he can fix it? Find a tutorial on YouTube? I’m not sure what you want to know, here.

Why would a commercial air conditioner be more dependable than one for a house?

Description : Why would a commercial air conditioner be more dependable than one for a house?

Last Answer : I'm not sure I understand what you are asking. But commercial grade equipment is always built to more rigorous standards than your average consumer goods of comparable functions. And the price for ... the ambient temperature down more quickly and the unit will cycle for shorter periods of time.

What is wrong with my car's air conditioner?

Description : What is wrong with my car's air conditioner?

Last Answer : You may be low on Freon due to a possible leak, See a qualified technician.

What is an eco-friendly way to maintain my air conditioner?

Description : What is an eco-friendly way to maintain my air conditioner?

Last Answer : That sounds like swamp cooler. You don’t generally bleach the till seasons end. What you do is you pull the matting out, bleach it scrub it and dry it, flush aircon, replace matting turn off system and put cover on, That way you can leave the frogs till end of summer.

Why would the air conditioner in my car work intermittently and not all the time?

Description : Why would the air conditioner in my car work intermittently and not all the time?

Last Answer : answer:Low charge is my first guess. Once the engine compartment heats up, the refrigerant expands just enough to allow it to kick in, but until then the pressure is too low, causing the pressure ... ; they sell R134 recharge kits at Autozone, and it's almost as simple as recharging a smartphone.

Have you ever made a DIY air conditioner from a styrofoam container and fan?

Description : Have you ever made a DIY air conditioner from a styrofoam container and fan?

Last Answer : They work fine, in dry or moderately humid areas. In high humidity the downside is the cold clammy feeling. My grandfather, when he and my grandmother lived in the Victorville area of southern California, had a ... . All of this was bolted to the side of the house with a cutout the fan blew through.

Is there a portable air conditioner with a humidifier feature?

Description : Is there a portable air conditioner with a humidifier feature?

Last Answer : An air conditioner is, partly a dehumidifier. Part of how it works is to remove humidity from the air so adding humidity would be counter productive. If your air is hot and dry you might consider an ... didn't work well above 90-100 degrees. I only had to use the AC on exceptionally hot days.

Will an "outdated" round thermostat work with a new air conditioner?

Description : Will an "outdated" round thermostat work with a new air conditioner?

Last Answer : answer:Get into a time machine and return to the past. You need someone (electrician, guy who installed the AC) to explain how to use the thermostats. There is probably useful info in ... a galaxy. And Egyptians probably feel equally put upon when they buy appliances with instructions in English.)

My window air conditioner has lost its oomph. How can I diagnose it without having to go through the hassle of removing it from window?

Description : My window air conditioner has lost its oomph. How can I diagnose it without having to go through the hassle of removing it from window?

Last Answer : answer:Is the coolant compressor kicking in at all? Perhaps you already know this, but with most window units, you can hear a humming sound when the compressor's running, whereas you will only ... cooling could be caused by other things, but first try to determine whether the compressor is running.

Why did my air conditioner start blowing only warm air?

Description : Why did my air conditioner start blowing only warm air?

Last Answer : answer:Sudden changes with A/C unit would indicate a mechanical problem, not just Freon. I would call a repairman. If the fans inside and out are working and the unit is over 10 years old that would ... like the condenser or compressor. No, I not a repairman but have had issues before with my A/C.

What is wrong with my VW air conditioner?

Description : What is wrong with my VW air conditioner?

Last Answer : answer:Black absorbs heat, trade your car in for a white one. Or find a solar powered fan that can run while the car is sitting. By the time the AC has caught up to the heat build up inside your car it ... in most cars will only do so much, a 20F drop in temp is about all you can expect from them.

Do you turn off your air conditioner in your home during the summer if you are going to be gone for a few days?

Description : Do you turn off your air conditioner in your home during the summer if you are going to be gone for a few days?

Last Answer : No. My house is like an oven too….just ask @Vunessuh. XD

How do I handle this situation with my landlord and a leaky air conditioner?

Description : How do I handle this situation with my landlord and a leaky air conditioner?

Last Answer : Bypass the maintenance guy and call the property owner directly. I'm sure they'll be interested in the wall damage at the very least and hopefully they'll light a fire under maintenance to get ... . Make sure you document every time you called about this issue and take pictures of the damage.

How best to hide air conditioner condenser outside?

Description : How best to hide air conditioner condenser outside?

Last Answer : answer:Don’t they need at least two feet of free space around them to ensure proper circulation? Perhaps you should consider having it moved to the side of the house or put on the roof. A screening would be good as long as the enclosure does not “suffocate” the unit.

What can cause a dripping water out from the air-conditioner on the wall ?

Description : What can cause a dripping water out from the air-conditioner on the wall ?

Last Answer : Air conditioners normally drip water. Are you saying it is dripping fro somewhere other than the normal outlet?

My (soon-to-be-replaced) air conditioner is frequently tripping the circuit breaker in my apartment. What can I do to prevent this?

Description : My (soon-to-be-replaced) air conditioner is frequently tripping the circuit breaker in my apartment. What can I do to prevent this?

Last Answer : answer:A mini-split AC unit will use less power than a regular square version and should help with the problem. However if your problem resides in old wiring with a lower amperage/threshold you might ... every time you want to use it but this has cut my electric bill dramatically. Hope this helps