What Is The Meaning Of Btu In Air Conditioners?

What Is The Meaning Of Btu In Air Conditioners?
by

1 Answer

Answer :

Btu – British Thermal Unit (Btu) is the international measure of energy. A Btu is the amount of heat needed to raise 1 (one) pound of water by 1(one) degree Fahrenheit. In HVAC industry, Btu's measure the quantity of heat a conditioning unit can remove from a room per hours. One BTU per hour is equal to 0293 watts.
by

Related questions

I am comparing the LG 8000 BTU and the Zenith 6500 BTU window air conditioners, my room is 20 X 24, which would cool more efficiently?

Description : I am comparing the LG 8000 BTU and the Zenith 6500 BTU window air conditioners, my room is 20 X 24, which would cool more efficiently?

Last Answer : LG 8000 BTU would cool more efficiently

Labeling is mandatory on product f. Frost Free Refrigerator c) Colour TV g. Room Air-conditioners d) All of the above

Description : Labeling is mandatory on product f. Frost Free Refrigerator c) Colour TV g. Room Air-conditioners d) All of the above

Last Answer : ALL OF THE ABOVE

Products on which labeling is mandatory are _____. a) Colour TV b) Direct cool refrigerator b) Room air conditioners d) All of the above

Description : Products on which labeling is mandatory are _____. a) Colour TV b) Direct cool refrigerator b) Room air conditioners d) All of the above

Last Answer : ALL OF THE ABOVE

What Is Btu?

Description : What Is Btu?

Last Answer : The British thermal unit (Btu or BTU) is a traditional unit of heat; it is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. ... Heat is ... to be equivalent to energy, for which the metric unit is the joule; one BTU is about 1055 joules.

nergy Efficiency rating in BTU/hr/W is equal to a) 4.413 W/W b) 2.413 W/W c) 3.413 W/W

Description : Energy Efficiency rating in BTU/hr/W is equal to a) 4.413 W/W b) 2.413 W/W c) 3.413 W/W

Last Answer : 3.413w/w

78 India‘s total primary energy consumption is a) 24.3 BTU b) 19.01 BTU c) 120 BTU d) 30.1 BTU

Description : 78 India‘s total primary energy consumption is a) 24.3 BTU b) 19.01 BTU c) 120 BTU d) 30.1 BTU

Last Answer : 30.1 BTU

The relation between EER in BTU/hr/W EER in W/W is given as_________. A. EER in BTU/hr/W = 3.245 EER in W/W. B. EER in BTU/hr/W = 3.44 EER in W/W. C. EER in BTU/hr/W = 3.413 EER in W/W. D. EER in BTU/hr/W = 1.234 EER in W/W.

Description : The relation between EER in BTU/hr/W EER in W/W is given as_________. A. EER in BTU/hr/W = 3.245 EER in W/W. B. EER in BTU/hr/W = 3.44 EER in W/W. C. EER in BTU/hr/W = 3.413 EER in W/W. D. EER in BTU/hr/W = 1.234 EER in W/W.

Last Answer : EER in BTU/hr/W = 3.413 EER in W/W.

EER in BTU/hr/W = a) 3.222 * EER in W/W c) 3.413 * EER in W/W b) 3.234 * EER in W/W d) 3.400 * EER in W/W

Description : EER in BTU/hr/W = a) 3.222 * EER in W/W c) 3.413 * EER in W/W b) 3.234 * EER in W/W d) 3.400 * EER in W/W

Last Answer : 3.413 * EER in W/W

We have defined EER by a) BTU/hr/W c) BTU/min/W b) BTU/sec/W d) BTU/hr/V

Description : We have defined EER by a) BTU/hr/W c) BTU/min/W b) BTU/sec/W d) BTU/hr/V

Last Answer : BTU/hr/W

EER in BTU/HR/W = ______ X EER in W/W A. 3.410 C. 3.411 B. 3.412 D. 3.413

Description : EER in BTU/HR/W = ______ X EER in W/W A. 3.410 C. 3.411 B. 3.412 D. 3.413

Last Answer : 3.413

The mechanical equivalent of heat is  a. joule  b. calorie  c. Btu  d. Specific heat

Description : The mechanical equivalent of heat is  a. joule  b. calorie  c. Btu  d. Specific heat

Last Answer : joule

What is defined as the quantity of heat needed to raise the temperature of one kilogram of water by one degrees Celsius?  a. Kilojoule  b. Btu  c. Kilocalorie  d. Latent heat

Description : What is defined as the quantity of heat needed to raise the temperature of one kilogram of water by one degrees Celsius?  a. Kilojoule  b. Btu  c. Kilocalorie  d. Latent heat

Last Answer : Kilocalorie

Find ∫ for steam at 100 psia and 600°F.If h = 1329.6 and v = 6.216  a. 1214 Btu / lb  b. 1234 Btu /lb  c. 1342 Btu / lb  d. 1324 Btu /lb formula: ∫ = h– pv/ J

Description : Find ∫ for steam at 100 psia and 600°F.If h = 1329.6 and v = 6.216  a. 1214 Btu / lb  b. 1234 Btu /lb  c. 1342 Btu / lb  d. 1324 Btu /lb formula: ∫ = h– pv/ J

Last Answer : 1214Btu / lb

A certain gas with cp = 0.529Btu/lb°R and R = 96.2ft/lbºR expands from 5 ft and 80ºF to 15 ft while the pressure remains constant at 15.5 psia.  a. T2=1.620ºR, ∫H = 122.83 Btu  b. T2 = 2°R, ∫H = 122.83 Btu  c. T2 = 2.620ºR, ∫H = 122.83 Btu  d. T2 = 1°R, ∫H = 122.83 Btu T2= V2(t2)/V1 and ∫H = mcp (T2-T1)

Description : A certain gas with cp = 0.529Btu/lb°R and R = 96.2ft/lbºR expands from 5 ft and 80ºF to 15 ft while the pressure remains constant at 15.5 psia.  a. T2=1.620ºR, ∫H = 122.83 Btu  b. T2 = 2°R, ∫H = 122.83 Btu  c. ... , ∫H = 122.83 Btu  d. T2 = 1°R, ∫H = 122.83 Btu T2= V2(t2)/V1 and ∫H = mcp (T2-T1)

Last Answer : T2=1.620ºR, ∫H = 122.83 Btu

Helium ( R= 0.4698 BTU/lbm-˚R ) is compressed isothermally from 14.7 psia and 68 ˚F. The compression ratio is 1:4. Calculate the work done by the gas.  A. –1454 BTU/lbm  B. -364 BTU/lbm  C.-187BTU/lbm  D.46.7 BTU/lbm Formula: W = RT ln (V2/V1)

Description : Helium ( R= 0.4698 BTU/lbm-˚R ) is compressed isothermally from 14.7 psia and 68 ˚F. The compression ratio is 1:4. Calculate the work done by the gas.  A. –1454 BTU/lbm  B. -364 BTU/lbm  C.-187BTU/lbm  D.46.7 BTU/lbm Formula: W = RT ln (V2/V1)

Last Answer : -364 BTU/lbm

Find the change in internal energy of 5 lb. of oxygen gas when the temperature changes from 100 ˚F to 120 ˚F. CV = 0.157 BTU/lbm-˚R  A.14.7 BTU  B.15.7 BTU  C. 16.8 BTU  D. 15.9 BTU Formula: U= mcv T

Description : Find the change in internal energy of 5 lb. of oxygen gas when the temperature changes from 100 ˚F to 120 ˚F. CV = 0.157 BTU/lbm-˚R  A.14.7 BTU  B.15.7 BTU  C. 16.8 BTU  D. 15.9 BTU Formula: U= mcv T

Last Answer : 15.7 BTU

Calculate the entropy of steam at 60psiawith a quality of 0.8  A. 0.4274 BTU/lbm-˚R  B. 0.7303 BTU/lbm-˚R  C. 1.1577 BTU/lbm-˚R  D. 1.2172 BTU/lbm-˚R Formula: fromthe steamtable at 60 psia: sƒ = 0.4274 BTU/lbm-˚R sƒg = 1.2172 BTU/lbm-˚R) s = sƒ + x sƒg where x = is the quality

Description : Calculate the entropy of steam at 60psiawith a quality of 0.8  A. 0.4274 BTU/lbm-˚R  B. 0.7303 BTU/lbm-˚R  C. 1.1577 BTU/lbm-˚R  D. 1.2172 BTU/lbm-˚R Formula: fromthe steamtable at 60 psia: sƒ = 0.4274 BTU/lbm-˚R sƒg = 1.2172 BTU/lbm-˚R) s = sƒ + x sƒg where x = is the quality

Last Answer : 1.1577 BTU/lbm-˚R

_________ is the quantity of heat required to raise the temperature of one pound of water 1 F˚ from 63 ˚F to 64 ˚F.  a. one Joule  b. one calorie  c. one watt  d. one BTU

Description : _________ is the quantity of heat required to raise the temperature of one pound of water 1 F˚ from 63 ˚F to 64 ˚F.  a. one Joule  b. one calorie  c. one watt  d. one BTU

Last Answer : one BTU

1 British thermal unit (BTU) is equivalent to how many joules?  A. 1016  B. 1043  C. 1023  D. 1054

Description : 1 British thermal unit (BTU) is equivalent to how many joules?  A. 1016  B. 1043  C. 1023  D. 1054

Last Answer : 1054

The amount of heat required to raise the temperature of 1 pound of water by 1°F is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Description : The amount of heat required to raise the temperature of 1 pound of water by 1°F is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Last Answer : BTU

The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Description : The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Last Answer : Kilocalorie

What is the SI unit of energy?  A. Newton  B. Btu  C. Calorie  D. Joule

Description : What is the SI unit of energy?  A. Newton  B. Btu  C. Calorie  D. Joule

Last Answer : Joule

What is the max square feet or cubic feet for residential air conditioners?

Description : What is the max square feet or cubic feet for residential air conditioners?

Last Answer : JLeslie This Link seems to keep is simple and I like that it is tabled by temp zones.

Can you help me get information on solar powered portable air conditioners?

Description : Can you help me get information on solar powered portable air conditioners?

Last Answer : Wow, such a thing exists? It takes a lot of power to run the compressor and fans on an air conditioner, your solar array will be bigger than the roof over that room.

Why are large air conditioners so delicate?

Description : Why are large air conditioners so delicate?

Last Answer : answer:A couple things could be going on. Power failures in general should not be the cause of total equipment failure and more often will cause electrical issues that should only require electrical components to ... a year and twice a year lubing of the drive shafts is minimum for our roof tops.

Do you think the government should supply air conditioners for the poor?

Description : Do you think the government should supply air conditioners for the poor?

Last Answer : In extreme heat waves, most communities seem to have shelters available.

In humid city's in the USA and other countries do most homes have air conditioners?

Description : In humid city's in the USA and other countries do most homes have air conditioners?

Last Answer : It seems like most people have air conditioners in Philly.

Why do human beings have to go for Pee often, when they sit under air conditioners?

Description : Why do human beings have to go for Pee often, when they sit under air conditioners?

Last Answer : I would like to see the research you conducted here…

Give reasons : Air conditioners should be installed at the top window. -Science-7

Description : Give reasons : Air conditioners should be installed at the top window. -Science-7

Last Answer : As a fact that warm air is much lighter than the cold air, so being heavier the cold air from air conditioner moves downwards while the hot air moves upwards and gets cooled and come downwards once again and cools the room.

What are the different types of air conditioners?

Description : What are the different types of air conditioners?

Last Answer : There are eight main types of air conditioning equipment out there in the market. Each type of air conditioner is designed for a certain space & fulfills a certain purpose. The different AC types ... offer 24 hour emergency air conditioner and heater repair services. contact no (951) 772-3741.

What are the refrigerants used in Air Conditioners?

Description : What are the refrigerants used in Air Conditioners?

Last Answer : Hydrofluorocarbons. Specifically, R410A and R134. Some systems still use hydrochloroflourocarbons, which contain chlorine, but this is much worse for the environment, and isn't as efficient, so it's expected to be completely phased out by 2020.

How Air conditioners are harmful to human beings?

Description : How Air conditioners are harmful to human beings?

Last Answer : Air conditioning is not directly harmful. It has always been known that families living in air conditioned houses make more babies than families without it. When you move to a hot climate your body has to ... quite uncomfortable when he has to go outside again. It is possible to die as a result.

It is used in refrigerator and air conditioners and it is a source of `Cl^(-)` :

Description : It is used in refrigerator and air conditioners and it is a source of `Cl^(-)` :

Last Answer : It is used in refrigerator and air conditioners and it is a source of `Cl^(-)` : A. Benzene B. `CH_(4)` C. Benzopyrene D. Freon.

A Guide to Portable Air Conditioners?

Description : A Guide to Portable Air Conditioners?

Last Answer : Central air conditioning is not a viable option for manyconsumers, but there are several different types of portable airconditioners that will deliver impressive results if they arechosen properly. Because every individual ... like the look of a unit protruding from awindow of their home, and the f

Who makes the best air conditioners in the US?

Description : Who makes the best air conditioners in the US?

Last Answer : There are several companies that make air conditioners. Newer models have the same advanced features quality is also dependent on price level so it is hard to say who makes the best air conditioners.

How is the cooling efficiency in air conditioners measured?

Description : How is the cooling efficiency in air conditioners measured?

Last Answer : It's rather complicated.It's better just to trust the energy star rating and measure the efficiency of the unit by power consumption.The concept is the same,except that one is hard to understand and explain while the other is very straightforward.

How much money you save with 220 volt Air Conditioners instead of 110 volt?

Description : How much money you save with 220 volt Air Conditioners instead of 110 volt?

Last Answer : It wont save you much at all this is more the type of wiring used. [email protected]

Do the portable air conditioners that vent out to window get very hot and give off heat?

Description : Do the portable air conditioners that vent out to window get very hot and give off heat?

Last Answer : Yes.The heat evaporates and also it has got a drip hole at the back.

What is the cheapest brand of window unit air conditioners?

Description : What is the cheapest brand of window unit air conditioners?

Last Answer : The Honeywell air conditioners are very cheap, well-secured and make great window air conditioners.

What kind of plug in is used for most window unit air conditioners?

Description : What kind of plug in is used for most window unit air conditioners?

Last Answer : Most air conditioners use a three-pronged (grounded) plug. However, some use outdoor plugs that aren't 115 Volt.

Can I buy replacement filters for air conditioners?

Description : Can I buy replacement filters for air conditioners?

Last Answer : Yes. the best thing to do is go back to the store where you bought it, they will most likely have the replacements. if not then you can contact the manufacturer directly and they will have them.

Is there any way to make air conditioners quieter?

Description : Is there any way to make air conditioners quieter?

Last Answer : You have to purchase air conditioners with the quieting option.

what is the efficiency of this product compared to other leading enrgy saving air conditioners?

Description : what is the efficiency of this product compared to other leading enrgy saving air conditioners?

Last Answer : This vacuum is energy star compliant,and will use less energy than most vacuums This product has a 12hr on/off timer to provide added energy efficiency.

Where can I find energy efficient air conditioners?

Description : Where can I find energy efficient air conditioners?

Last Answer : Most of the air conditioning units today are rated "Energy Star", which means that they use less energy. You can find a list of types of units and their energy uses on http://energystar.gov to get an idea of the right unit(s) for your space.

Is a swamp cooler a better price than central air conditioners?

Description : Is a swamp cooler a better price than central air conditioners?

Last Answer : Central air conditioners tend to be more expensive than swamp coolers. This is usually because people prefer to pay more for the comfort of central air.

What are the benefits of Central air conditioners?

Description : What are the benefits of Central air conditioners?

Last Answer : Central air conditioning is much more effective at cooling an area, less noisy and can improve air quality. The area a central air conditioner can cover depends on the size of the unit you purchase. A ... the components in the attic & your walls. If you have, it is merely replacing a unit outside.

Central Air Conditioners?

Description : Central Air Conditioners?

Last Answer : form_title= Central Air Conditioners form_header= Stay cool with central AC! What is the size of the room where the AC unit will be installed?* = _ How many BTU or energy usage units should the central air conditioners be ... conditioners will you require?* = {1,2,3,4,5,6,7,8,9,10, More than 10}

Which air conditioner companies make the best new air conditioners?

Description : Which air conditioner companies make the best new air conditioners?

Last Answer : There are many, many manufacturing companies who make air condtioners. Some of them include General Electric (GE), Frigidaire, LG, Haier, Whirlpool, Fedders, Kenmore, Sunpentown and Soleus. The best air ... by LG. They have the latest designs, use the latest technologies and keep the room cold!

Where can I buy portable air conditioners.?

Description : Where can I buy portable air conditioners.?

Last Answer : You can buy portable air conditioners online at multiple sources. The most reliable sources would be Walmart.com and target.com. They both also have shipping directly to your local store to save on shipping costs as they are heavy and sometimes bulky.

Should I buy my air conditioners from Lowe's?

Description : Should I buy my air conditioners from Lowe's?

Last Answer : If you want a new air conditioner, you should compare the prices of every retail place such as Lowes and even check online for some of the best deals.