|cen84959_chi8-ap01.qxd 8/11/06 1121 PH Page 928 928 Thermodynamics TABLE A-11
Q: in thermodynamics open systems, what does vdP really mean? and can you use it for all energy balance…
A: For any thermodynamic system, there are state variables. And Pressure P and Volume V are two such…
Q: How can we prove that the Stuve diagram does not have area propotiobal to energy? 2. Show that the…
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Q: 1.C.5. The refrigerant in an evaporator goes through phase change at a constant temperature of…
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Q: Calculate the critical and actual heat flux for pool boiling of water at 2.1 bar from a surface at…
A: Given Data: Pressure P1=2.1 bar=210 Kpa Surface Temperature TW=130°C Saturation Temperature…
Q: 20 - The pressure of a closed container with a constant volume of 30 liters is 300 kPa. Which of the…
A: Given:V=30 litresP=300 KPam= 5 KgR-134a
Q: Question No 1: An office worker claims that a cup of cold coffee on his table warmed up to 80 C by…
A: In this question an office worker claims that a cup of cold cofee on his table warmed upto the…
Q: Explain using the concept of Ideal gas laws on how do you make a cold body, and how air conditioners…
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Q: A 0.14lbm (0.064 kg) of octane vapor (MW = 114) is mixed with 2.0 lbm (0.91kg) of air (MW = 29) in…
A: given; mass of octane vapor (mo)=0.064kg=640gmmolecular weight of octane (MW)o=114gmmass of air…
Q: 1. A. Using the Steam Tables, determine the amount of cooling water needed by a condenser in kg/sec…
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Q: Give atleast 2(two) examples of a thermodynamic system. Identify the working substance of those…
A: Two examples of a thermodynamic system1 Boiler → Boiler is an open…
Q: Consider the following statements. Explain your answer from thermodynamic point of view and where…
A: Given questions: During a boiling process, the pressure of a substance is increased. In this case…
Q: Which of the following processes múst violate the first law of thermodynamics? 1) W> 0, Q 0, Q 0 3)…
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Q: The thermodynamic properties of refrigerant R22 mixture of liquid and vapor leaving the expansion…
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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: Find the final wet bulb & dry bulb temp. of a mixture of 113.35 m of air per min. at 15.56°Ca.…
A: Please check the next page for answer.
Q: Consider a gas-fired oven used for cooking food as a thermodynamic system. What sorts of mass and…
A: A thermodynamic system is a body of matter and/or radiation that is separated from its…
Q: For the following adiabatic system of "ideal gases", determine: (a) the final temperature; (b) the…
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Q: Determine the refrigerant name and chemical formula of R-22 2.) An ice plant produces 20 tons of ice…
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Q: 1. A. Using the Steam Tables, determine the amount of cooling water needed by a condenser in kg/sec…
A: Given Data Pressure P=610.44mmHg Mass flow rate m˙=7200+X(SN) Inlet temp; of cooling water t1=12°C…
Q: Recirculated air of 8 kg/sec with 53 KJ/kg enthalpy and outside air of 2 kg/sec with 90…
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Q: Q2. The majority of houses in İzmir is equipped with air-conditioners for keeping the inside…
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Q: Define the combination u + Pv is often encountered in the analysis of control volumes.
A: The term u+Pv encountered in the analysis of the control volume is known as the enthalpy. It is the…
Q: A. Using the Steam Tables, determine the amount of cooling water needed by a condenser in kg/sec if…
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Q: U2: i kg ot Saturated steam at lo ban undergoes a non-fl Constant volume process until the pressure…
A: We are suppose to solve only 3 subparts. Please post other parts as a separate question.
Q: Assuming air to be an ideal gas with a molecular weight of 28.967, what is the density of air at 1…
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Q: An evaporator has entrance and exit enthalpy of 352.15 kJ/kg and 643.95 kJ/kg respectively. The…
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Q: Discuss the application of the first law of thermodynamics to a mountaineer who eats food, gets warm…
A: The first law of thermodynamic is the expression of the conservation of energy principle. The first…
Q: 20% quality saturated water miture (boling water) is in a pressure cooker at 100 Pa amospheri The…
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Q: Find the mass in metric tons per day of at -5 °C that would theoretically made in a refrigerating…
A: Answer: The mass in metric tons per day is 32.8340 tons/day.
Q: Q.1) An insulated piston-cylinder de vice contai ns 10 L of saturated liquid water at a constant…
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Q: A piston cylinder arrangement initially contains 7.0 kg of super-heated steam at 100 kPa and 250 C,…
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Q: A steam condenser receives 10 kg per second of steam with an enthalpy of 2570 KJ/kg. Steam condenses…
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Q: Initial condition: T = 300C saturated Process: Isothermal Final condition: s = 6.3 KJ/Kg-K…
A: Since the process given is isothermal, the initial and the final temperature of the process remains…
Q: A barometric condenser serves a steam turbine which is exhausting 2720 kg of steam per hour at a…
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Q: Calculate the volume, density, enthalpy and entropy of 2 kg of steam at 80°C and dryness fraction of…
A: We need to figure out the volume, density, enthalpy, and entropy of 2 kg of steam at 80°C with a…
Q: A steam power plant develops a power output of 2840Kw. Te enthalpy of steam at the inlet if 2500…
A: Given data, W= 2840 kW h1= 2500 kj/kg x=0.8, hf2=561 KJ/kg hfg2=1832 K/kg.
Q: The compressor which is is used in our experiment is a. Two Stage reciprocating compressor in which…
A: Basic knowledge of 2 - stage reciprocating air compressor.
Q: The U.S. Department of Energy estimates that 570,000 barrels of oil would be saved per day if every…
A: Given: The number of days in a heating season is N=180. The number of barrels of oil saved per day…
Q: . Using the Steam Tables, determine the amount of cooling water needed by a condenser in kg/sec if…
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Q: The first law of thermodynamic is dealing with the quality of energy Ture O False O
A: Given Quality of energy To find Thermodynamic law which defines quality of energy
Q: Termodynamic question I NEED ANSWER RARIDLY PLEASE!!! Water vapor enters the steam turbine at 4000…
A: Given data: For turbine: at inlet, P1=4000 kPa, T1=500 °C, V˙1=6 m3/hr At state 2, some amount of…
Q: Thermodynamics problem. Water vapor at 100 KPa and 150°C is compressed isothermally until half the…
A: Step 1:-At 100 kpa and150∘C from the Steam Tables1=7.6148 KJ/Kg⋅K.At150∘C, from the Steam table,…
Q: Question : Consider a piston-cylinder device containing m = 1 kg of air at the initial temperature…
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Q: How to construct a P-v and a T-v diagram for water and refrigerant-134a by using properties table?
A: In order to introduce the rather complex phase change interactions that occur in pure…
Q: - Water in a chamber within which piston moves maintaining constant pressure at 330 F, quality 85%…
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Q: Identify, which is not correct from the diagram Select one: O a. 2-3 and 4-1 = constant pressure…
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Q: By combining the first and second laws of thermodynamics, show that: dS = (dU/T) + (PdV/T)
A: according to the given details in the question. We need to combine the first and second laws of…
Q: 2.7 kg of Steam at 500 kPa and 400°C was cooled in a piston cylinder device until 80% condenses.…
A: mass of the steam, m=2.7 kgInitial pressure, P1=500 kPaInitial Temperature, T1=400o C=673 Kwe know…
Q: Mollier diagram determines the .1 relationships between none of these answers. different refrigerant…
A: ANS =OPTION D EXPLANATION= The Mollier diagram is a graphic representation of the relationship…
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- No card B a m OO ON 94)| 1:50 mlms.hu.edu.jo/mod/qu 3 A 476 m rigid tank contains saturated Refrigerant-134a mixture at 700 kPa with 27% quality. A valve at the bottom of the tank is now opened, and only liquid is withdrawn from the tank. Heat is transferred to the refrigerant such that the pressure inside the tank remains constant. The valve is closed when no liquid is left in the tank and vapor starts to come out. What is the amount of R-134a that exited from the tank "kg"? R-134a Sat. vapor P = 700 kPa Sat. Liquid Select one: A. 42.72 B. 49.05 C. 45.49 D. 35.99 E. 39.55Dry air inlet temperature 23.9 (t1) Wet air inlet temperature 20.5 (t2) Dry air outlet temperature 24.3 (13) Wet air outlet temperature 23.1 (14) Inlet (A) Outlet (B) Set 2 Set 1 T [°C] Inlet (A) Outlet (B) (b) By using the psychrometric chart, fill up the table below for mass balance. Set 1 v[m/kg dry w[kg/kg dry air] Inlet (A) Outlet (B) 0.0183 0.017 [kg/kg dry air] 61 Set 2 T [°C] 68 24.2 20.8 25.4 24.5 aur] 0.86 v[m³/kg dry air m (c) By using the psychrometric chart, fill up the table below for energy balance. het [kJ/kg dry air] het [kJ/kg dry air [kg dry air/s] 0.0586 m [kg dry air/s] 621. Determine the change in internal energy if there are 2kg of gas inside a rigid container, for which R=240J/kg-K (k=1.50), initial pressure Pi= 500.16kPa and temperature and T1= 70 C, then pressure increase to 1675kPa. a. 806.0348kJ b. 575.7391kJ c. 773.7934kJ d. 559.7464kJ
- What are the refrigeration and cyogenic plant equipment for Oxygen production in terms of mechanical, electrical, plumbing and safety with a mechanical system?Define a near-azeotropic refrigerant blend, and give twoexamples.- Experiment- Air conditioning (Study of Air Conditioning Unit: Evaluation of heating and steam injection performance) Q- Why does the process of steam injection used in applications which need to maintain air with high humidity?
- The refrigerating effect of a mini ice plant is 1 kW. How long (in minutes) will it take to reduce the temperature of 10 L of brine solution from 30 deg C to 0 deg C? The density of the brine solution is 1.15 g/ml and Cp 4.19 kJ/kg. a. 14.5 b. 17.8 C. d. 19.5 24.11. Plot the four locations in the psychrometric chart and determine the other properties foreach condition using a psychrometric chart (Appendix 8a and 8b). Locations of air Tdb, °C Twb, °C Ambient air 32 28 Conditioned air 25 20 Air at the dryer inlet 30 23 Air at the dryer outlet 33 27 3. What is the relationship between relative humidity and temperature? What about humidityratio and temperature?Required information Problem 04.038 - Energy balance for water in a piston-cylinder device NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. An insulated piston-cylinder device contains 3.5 L of saturated liquid water at a constant pressure of 175 kPa. Water is stirred by a paddle wheel while a current of 8 A flows for 45 min through a resistor placed in the water. One-half of the liquid is evaporated during this constant-pressure process and the paddle-wheel work amounts to 400 kJ. 11,0 consta Problem 04.038.a - Find source voltage Determine the voltage of the source. Use data from the steam tables. (Please provide an answer before moving on to the next part) The voltage of the source is V.
- VAPOR COMPRESSION REFRIGERATION SYSTEM ANALYSIS 3 Warm environment Он Condenser Expansion valve Evaporator QL Cold refrigerated space in Compressor 1 FIGURE 1: VAPOR COMPRESSION REFRIGERATION CYCLE The chiller system operates based on the vapour compression refrigeration cycle (figure 1) with a single stage compression. The isentropic efficiency of the compressor is assumed at 85%. The refrigerant exit evaporator and condenser can be assumed as saturated.1. Air at a rate of 1000cfm is cooled from 80°Fdb and 70°Fwb until it is saturated at 5S'F. Determine the amount of maisture removed (Ib/min), sensible heat removed (BTU/min), total heat removed (BTU/min), and the sensible heat factor. 2. Outdoor air initially at 30°Cdb and 25°Cwb, is mixed with room air at 22°C and 50%RH. The mixture is to cansist of 75% room air and 25% outdoor air. Determine the resulting dry bulb temperature and wet bulb temperature.Homwork-6.png Homework-6 P.1 Calculate the dryness fraction (quality) of steam which has 1.5 Kg of water in suspension with 50 Kg of steam? A vessel having a volume of 0.05 m contains a mixture of saturated water and saturated steam at a temperature of 245 ° C. The mass of liquid present is 10 Kg. P.2 Find the following: (a) The pressure. (b) The mass. (c) The specific volume. (d) The specific enthalpy (e) The specific entropy. (f) The specific internal energy.