If the sensible heat ration for the heated space shown is 0.75,and supply temperature is 40 oC the heating load per one kilogram of supply air is. Retum Air Room Oataide Air 40 °C 24 C, 50% RH
Q: Using the steam tables, determine the amount of coolimg water needed by a condenser in kg/sec if wet…
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Q: e removed. Air is supplied to the auditor t 19°C. Determine (a) the relative humidit ondition 1 and…
A: Auditorium maintained at, 24°c=DBT=TD,WBT=18°c=Tw Sensible heat lead Qs=67kw Moisture removing…
Q: The air conditioner in a room inputs air and passes it inside where an evaporator coil is located.…
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Q: On coil air, at a dry bulb temperature of 32 °C and humidity ratio of 11.8 g/kg, is cooled and…
A: GivenOn coil air condition=32°C dbt and w1=11.8 kg/sOff coil air condition=21°C dbt and 16°C wbt
Q: An air conditioned room is maintained at 25 °C dry bulb and 50% relative humidi
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Q: Exercise 17.6 Air at 20°C and 60% relative humidity is heated to 90°C and then enters a continuous…
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Q: Identify if the following phase is saturated, subcooled, superheated, or wet-mixture. Temp Internal…
A: Given: The temperature, T = 322 The internal energy, u = 1915 kJ/kg
Q: Estimate the wet-bulb and adiabatic-saturation temperatures for a toluene-air mixture of 60°C…
A: Given, Dry bulb temperature,td=60°Cspecific humidity Y=0.050kg vapour/kg airTo determine-1. wet bulb…
Q: Air at 40˚C and 55% RH is heated using a heat exchanger to reach 90˚C. using a psychrometric chart,…
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Q: Moist air at 30 °C dry bulb temperature, and enthalpy of 64 kJ/kg, then the r Select one: O a. 50% O…
A: Given: Dry bulb temperature=30 degrees C Enthalpy= 64 kJ/kg
Q: 15.4 Moist air at 32°C and 60% relative humidity enters the refrigeration coils of a dehumidifier…
A: We know that moist air with a relative humidity of 60% enters the refrigeration coils of a…
Q: Moist air exists at a dew point temperature of 18°C, 60% RH, and a pressure of 96.5 kPa. Determine…
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Q: Why do you think psychrometric properties are based on per kilogram of dry air NOT per kilogram of…
A: Psychrometric properties are based on per kilogram of dry air NOT per kilogram of water vapor.
Q: Q.3// Calculate the amount of sensible heat that must be added to 85.5Kg of air at 25°C dry bulb and…
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Q: In sensible heating or cooling process, it is the dry bulb temperature of air being varied either…
A: Sensible coolingSensible cooling is the removal of heat from the air without changing the moisture…
Q: QUESTION 1 AW 1.1A boiler plant generate steam at a pressure of 13,5 bar and with a temperature of…
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Q: A. Using the steam tables, determine the amount of coolimg water needed by a condenser in kg/sec if…
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Q: Calculate the tons of refrigeration required.
A: Given that: The theater is required to be maintained at 80 oF and 50% RH with h2 = 31.35 Btu/hr.…
Q: The air, supplied at the rate of 249.57 gal per second to refrigerated coil, has a saturation…
A: Answer: Given data Supply rate of air = 249.57 gal/sec Saturation humidity = 280 Rh = 13.5%
Q: 1 atm steam (sat.) preheats CO2. If 2.26 MJ heat is released from 1kg of condensing steam, How much…
A: GivenQ=2.26MJ/kg m=21kg/sT1=303.15KT2=353.15KCp=4.5RR=8.314 J/mol.K
Q: Example 7.1. In a vapour absorption refrigeration system, heating, cooling and frigeration take…
A: Given:Temperature of heating, Th=100o CTemperature of cooling, Tc=20o CTemperature of refrigeration,…
Q: 4. GoBrownsite is an obscure element with a molar mass of 126.2 grams per mol. Below is the cooling…
A: There is some unit mistake in the latent heat. It is given as kJ per degree centigrade but it should…
Q: Wet coal amounting to 10000 ton/day is dried in an air dryer .The wet coal feed enters with 24% by…
A: Mass flow rate of dry air required to evaporate the moisture from the coal = 9207.73 kg/h.
Q: n sensible heating or cooling process, it is the dry bulb temperature of air being varied either…
A: Sensible heating or coolingThe sensible heating or colling involves the increase or decrease in the…
Q: An Ammonia vapor compression refrigerator has an effective swept volume of 0.308 m3 /min. The…
A: given; swept volume (vs)=0.308m3/min properties at…
Q: Q3/ The moist air at 30°C and 50% RH enters a steady state dehumidifier at the rate of 280 m/min.…
A: We are authorized to answer one question at a time since you have not mentioned which question you…
Q: A woman tells an engineer that she stands in front of an open refrigerator, she feels cooler. But…
A: (a) The answer to the first question is yes the woman s feeling the cooling effect even without the…
Q: For a winter heating system, the air in a conditioned space is at 16 °C dry bulb temperature and 50%…
A: Given:
Q: nealing applicalion, moist air enters a stream heating coil al 10°C, 50% RH and baves at30°C.…
A: Handwritten.jpg
Q: What is the cooling duty to freeze water from 50°C to ice at 0°C, at the rate of 10 t/day?
A: Given data: Ti=50°CTf=0°Cm˙=10 ton/day Need to determine the cooling duty to freeze water.
Q: On a hot summer day, the temperature is 35 ° C, barometric pressure 103 kPa and relative humidity…
A: Given ,inlet , T=35°C , Pbarometric=103 KPa , RH=90%outlet , T=20°C , Vo=12500 LjPH20 35°=42.175…
Q: Example:14.4. For a hall to be air-conditioned, the following conditions are given: Outdoor…
A: Given: Outdoor :39°C DBT & 20 °C WBTcomfort condition :20°C DBT & 60% RH seating capacity =…
Q: Air is cooled and humidified, initially at 90 °F BS and 70 °F BH is cooled and dehumidified,…
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Q: 23.An air conditioned theater is to be maintained at 80°F dry bulb temperature and 50% RH. The…
A: Given: latent heat = 210000 Btu/hr Sensible heat = 620,000 Btu/hr
Q: A closed, rigid tank with a volume of 0.6m ^ 3 contans saturated water vapor at900 kPa the nital…
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Q: 14.An office is occupied by 30persons who each produce 58 kW of sensible heat and 0.1 kg/h of…
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Q: Supply air at 18°C dry-bulb and RH of 80% flows through a duct whose inside wall temperature is…
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Q: the psychrometric chart, state your assumptions and calculate (b) the amount of water removed per…
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Q: Moist air at 32°C and 60% RH enters the refrigeration coil of a De-humiditier with a Hlow rate of…
A: Initial Air condition, =32oC and 60% RHMass flow rate of Air, m˙a=1.5 kg/sAir condition after…
Q: Question attached
A: Given data: The initial pressure in the pipe is P1=1.2 MPa The final pressure in the pipe is P2=0.1…
Q: a stream of outdoor air is mixed with a stream of return air in an airconditioning system that…
A: To given thatP=101KPaFlow rate, m˙1=3kg/sFrom Psychometric chartAt 30°C DBT and 23°C…
Q: An air-conditioning system to be installed in a factory with sensible and latent cooling loads of…
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Q: 12. Consider 5-lbm sample of moist air initially at 20 psia, 150 F, and 50% relative humidity. This…
A: Given: m=5 lbmState 1P1=20 psiaT1=150 Fφ=50 %State 2P2=20 psia (cooled at constant pressure)T2=70…
Q: Psychrometric process A room has dimensions of approximately 10m x 10m x 3m. Assume the air inside…
A: Given: Given: The temperature of air inside the room, T = 20 °C The pressure of air inside the…
Q: lower
A: Water melts as temp increases because : - chemical potential of the liquid is lower than that of…
Q: In an air conditioning unit, 3.5 m³/s of air at 27°C dry bulb temperature %RH at 100.325 kPa…
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Q: QI: Moist air at 40°CDBT, 20 CWBT, and standard atmospheric pressure is humidified adiabatically to…
A: Dear student, According to the guidelines I am allowed to answer only one…
Q: 4. A small auditorium is required to be maintained at 22 C dry bulb temperature and 70 % relative…
A: Consider the diagram shown below for the given process. Here, Process 1 to 2 is cooling and…
Q: The evaporative condenser of an ammonia refrigeration plant has a water flow rate of 100 kg/s and…
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- Define a near-azeotropic refrigerant blend, and give twoexamples.26. NA 25-g ice cube at 0.0°C is heated. After it first melts, the lemperature increases to the boiling point of water (100.0°C). and the water then boils to form 25 g of water vapor at 100.0 C. How much energy in total is added to the ice/water? Which Process (melting, increasing temperature, or boiling) requires e most energy? Water has a latent heat of vaporization of specific heat of 4190 J/(kg · K). fon ice cube of massQ3: Explain in detail the differences between vapor compression systems and evaporative cooling systems. This comparison should present advantages, disadvantages, potential applications, and suitability of each system to the climate conditions of Iraq.
- 2. (#47ppS-37TrD) - A water tube boiler evaporated 6.05 kg of water per sec from a feed water temperature of 104.44 deg C to steam at 1241 kPa and quality of 0.97, weight of coal fuel per sec 0.57 kg, high heat value of the coal as fired, 11,800 Btu/lb Steam Properties: At 104.44 deg C hf At 1241.1 kPa = 437.78 (interpolated) h₁ = 805.29 = hg 1980.6 (interpolated) a) Determine the rate of heat absorption in kJ/kgGiven that the temperatures of the generator, condenser, absorber and evaporator of a VARS system are 94, 44, 25, and 10/°C), respectively, then COPmax?. If the how rate of the reftigerant is 0.09 [kg/s), then, the flow rates of the strong and weak solutions are?9. The preservation of foodstuffs by refrigerating is an expensive process, butthe canning process is more expensive than refrigeration. Ills?
- Under the established parameters of the "refrigeration & cryogenic plant for oxygen poduction", elaborate the design outdoor condtion and design indoor condition? What do you think is the refrigerant type which best for cryogenic plant1 atm steam (sat.) preheats CO2. If 2.26 MJ heat is released from 1kg of condensing steam, How much saturated steam is needed to condense to that 21 kg/s CO2is preheated from 303.15 K to 353.15 K? Cp CO2 = 4.5R, where R = 8.314 J/mol K. a. 0.40 kg/s b. 0.36 kg/s c. 0.30 kg/s d. 0.18 kg/sQuestion: 3 Calculate the dryness fraction, specific volume and internal energy ‘u’ of steam at 7 bar and specific enthalpy =2600 kJ/kg
- The most popular refrigerant used in the past for residential air-conditioning is R- ________.Hello Sir,Good Morning.I have a question in my homework related thermodynamics lesson.The following below is my question. Please advice, thank you. "please explain about thermodynamics of the airflow heating and cooling process"26. At 100°C water has a specific latent heat of vaporization of 2260 000 J/kg. What does this mean? A. Energy needed to turn 1 kg of water into ice B. 2260 000 J energy needed to turn 1 kg of ice into water C. 2260 000 J of heat is needed to boil 1 kg of steam into ice D. 2260 000 J of heat is needed to convert 1 kg of steam into water