What is the ASHRAE refrigerant number with chemical formula CF3CH=CHC?
Q: What is the advantage of having high steam quality compare to low steam quality?
A: Steam quality formula x = mvapormliquid+mvapor
Q: The LiBr-water absorption cycle shown in Fig. 17-2 operates at the following temperatures:…
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Q: How can we calculate air enthalpy change?
A: The change in the enthalpy is the content of heat or it can be defined as the amount of heat that…
Q: What is the heating source for the station's feedwater heaters?
A: Explanation for mcq 6 The heating source for the station's feed water heater we used steam bled from…
Q: e photo below is the refrigeration cycle of Ammonia, Im just confused on where h2 and Tsup=105 C…
A: To Show the concept how cardinal points are calculated in ammonia refrigeration cycle.
Q: Define Diesel Electric Power Plant
A: Diesel electric power plant- it is a power plant which work on the principal of energy conversion…
Q: A. Name the following refrigerants: 1. Dichlorotetrafluoromethane (CCIF;CCIF:) 2. Octafluoropropane…
A: Refrigerant is the working fluid or working substance that is used to extract the heat from the…
Q: Explain Diesel-fired power plant
A: A generating station during which diesel motor is employed because the first cause for the…
Q: S-Refrigerant 22 is widely used as the working ts use is likely to be phased out in the future du…
A: Thermodynamics
Q: What types of hydronic heating systems are in use?
A: Hydronic heating systems are the modern equipment set used for heating rooms, entire houses, or even…
Q: If the air leaving the cooling coil were to be
A: Given data DBT=55 °F WBT=53 °F
Q: How is regenerative thermal oxidizer (RTO) different from traditional thermal oxidizer?
A: A thermal oxidizer or a thermal incinerator or afterburner is an air pollution control process unit…
Q: What are the advantages of Contact condensing systems?
A: In contact condensing systems, the direct contact between the two mediums takes place. The…
Q: Describe the adiabatic process.
A: In a thermodynamic process when there is no exchange of heat between a system and its surrounding…
Q: the power in kilowatts of the gas turbine power plant
A: Given: Pressure ratio =10 Max temperature (T3)=700oC = 973 K Min temperature (T1)=15oC=288 K…
Q: Specify the major components in the steam generating and heat recovery system of a fossil fuel steam…
A: Boilers are large heat exchangers , where cold medium / working fluid is heated. Fossil fuel boiler…
Q: plect one a low stack losses Ob low condensation losses Oc burning natural gas increases 5d better…
A: Stack losses, which include both surplus air and stack temperatures, are often the highest single…
Q: From the knowledge you have learned in the simple vapour compression cycle and multi-pressure…
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Q: 30°C. The flow rate o
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Q: The LiBr-water absorption cycle shown in Fig. 17-2 operates at the following temperatures:…
A: Find the concentration of Li-Br in the generator Tg=100°C Tc=55°C Te=10°C Ta=30°C
Q: If the air leaving the cooling coil were to be 55°F drybulband 53°F wet-bulb, what would the total…
A: Given data DBT=55°FWBT=53°F Here, DBT is the dry bulb temperature and WBT is the we bulb…
Q: Which is the example of heat sink? Select one: O a. combustion chamber O b. Boiler O c. river O d.…
A: What is heat sink? Anything that absorbs thermal energy without becoming much warmer is called a…
Q: With a diagram explain Li-Br Vapor absorption refrigeration system and write its application and…
A: A variety of air conditioning systems make use of the water-lithium bromide vapour absorption…
Q: From the given schematic and PH-diagram below explain each in details the: a) The concept and…
A: Refrigerent plant is working under at a low evaporating temperature and high condenser temperature…
Q: for R600a 1) at 40oC what is the pressure of condensation? 2) What is the absolute pressure and…
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Q: Define a near-azeotropic refrigerant blend, and give two examples.
A: Given Data : Near-azeotropic refrigerant
Q: Comment on this diagram. Condenser Valve Compressor Evaporator
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Q: Describe Isentropic Processes of Ideal Gases
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Q: Question 10 Chillers are commonly used in centralized cooling systems to extract heat from the…
A: Q 10. True Q 5. True
Q: If the outside fresh-air conditions were to be 93°F dry-bulb and 74°F wet-bulb, what would the total…
A: Dry Bulb Temperature The dry-bulb temperature (DBT) is the temperature of air measured by a…
Q: How does Refrigeration system work?
A: A refrigeration system is defined as the process of cooling a substance to maintain the temperature…
Q: the psychrometric chart, state your assumptions and calculate (b) the amount of water removed per…
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Q: Brief the Mechanical refrigeration system highlighting the working principle, process, components…
A: Vapor-compression refrigeration is based on the Second Law of Thermodynamics, heat energy does not…
Q: refrigerant flow and distribution. c. Explain in details the analysis behind the diagram
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Q: Which one of the following types of geothermal power plant is suitable when fluid obtained from…
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Q: Waters enters the condenser at 20°C and leaves at 35°C. what is the log mean temperature difference…
A: GivenTC1=20oCTC2=35oCTh1=Th2=45oC
Q: Why are there more safety precautions for R-410A thanwith other popular refrigerants like R-22 and…
A: There are different types of refrigerants present in the refrigeration engineering. Some of them are…
Q: Q- Why does the process of steam injection used in applications which need to maintain air with high…
A: In comparison to other humidification methods, steam humidifiers have a negligible effect on…
Q: 11- During the air washer operation the: a. wet bulb temperature remains const Ob. dry bulb…
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Q: While discussing the reaction by a refrigerant to heat:
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Q: Explain Gas-fired power plant
A: Given Data⇒ Gas-fired power plant
Q: 3- To compare the relative ozone definition of various refrigerants uv index called ...
A: given = compare between ozone definition of various refrigerant uv index is called
Q: Under high evaporator heat loads , the temperature difference between the condenser and the ambient…
A: Under high evaporator heat load, the temperature difference between the condenser and ambient will…
Q: At lower condenser pressures, the moisture content of the turbine exhaust steam
A: It is required to determine the effect of lowering condenser pressure on the moisture content of the…
Q: With an aid of illustration/ schematic diagram, discuss the different methods of refrigeration, it's…
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Q: is a closed vessel in which vaporization of water takes place. ne: Feed water heater Condensor
A: Option (d) Boiler is correct option
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- 4-6- SI A six-liter, eight-cylinder, four- Stroke cycle race car engine operates at 6000 RPM using stoichio- metric nitromethane as fuel. Combustion efficiency. is 99%, and the fuel input rate is 0.198 kg/see. a- Volumetric efficiency of the engine [!] b-Flow rate of air into the engine. [ kg/sec.:] Calculate :Engine Cycle: Our inventor is still trying to design a heat engine that will outperform the Carnot cycle .. Design #801-456 is for an ideal, reversible engine that operates with the cycle shown below (A → B → C → D → A). The engine contains 0.421mol of a gas that has a heat capacity ratio of y = 1.300. Point Pressure [N/m²] Volume [m³] Temperature [K] A 1.05 x 105 0.010 300 B 1.85 x 105 0.010 529 1.85 x 105 0.014 751 D 1.05 x 105 0.014 426 PA B A D V (a) What is the efficiency of this engine cycle? (b) What is the efficiency for a Carnot cycle working between the same maximum and minimum temperatures?An ideal gas with a mass of 2 kg reversibly and polytropically expands up to 3 times its initial volume in a piston-cylinder assembly. The temperature of the ideal gas drops from 300 ° C to 60 ° C. a) The heat energy input is 20 kJ and the boundary work output is 100 kJ. Find the specific heats cv [kJ / kgK] and cp [kJ / kgK] for the gas. b) If the heat energy output is 20 kJ and the boundary work output is 100 kJ, calculate the specific heats of the gas cv [kJ / kgK] and cp [kJ / kgK]. c) Find the value k, which is the ratio of specific heats. d) If the heat energy input is 20 kJ, the boundary work output is 100 kJ and the entropy generation is 0.36 kJ / K, calculate the thermal energy source temperature as [° C].
- No card B a m OO O N 95)1:47 mlms.hu.edu.jo/mod/qu Two tanks are placed on table: Tank (1) contains one kg of gas type A at Temperature T, (K), while Tank (2) contains one kg of gas type B at temperature [ (19/7) T,]. The tanks are then put into thermal contact with each other and heat flows between until the gases reach a common final temperature T,"tanks are insulated from all other boundaries". Knowing that the specific heat ratio (CvA /CvB) = (9/7) , The final temperature (K) will be : Select one: A. 1.375 T. B. 1.250 T. c. No enough information D. 1.625 T. E. 1.750 T. F. 1.875 T. G. 1.500 T, ...In order to fnd the specifc heat c of an unknown substance, you place 75 g of the substance in a 30 g copper calorimeter that contains 65 g of water, all initially at 20 °C. You then add 100 g of water at 80 °C, and measure the fnal temperature of the system to be 49 °C. Assuming no heat is lost to the environment, what is c? [Answer: c = 2200 J/kg. K] 즈For a small elemental area which among the following equations is correct for the change in energy of element during a time span dt? O a. (Heat generated in the element during time dt]-[Energy flow into the element during time dt] - [Energy flow out of the element during time dt] O b. None of the options O c (Heat generated in the element during time dt) + [Energy flow into the element during time dt) + (Energy flow out of the element during time dt] O d (Heat generated in the element during time dt] + [Energy flow into the element during time dt)] - [Energy flow out of the element during time dt)
- 12. Imagine a solar collector for hot tap water in a hot climate. De outdoor temperature is 22 degree Celsius. De tank of the solar collector is placed outside, and the cold water temperature to the collector is 20 degree Celsius. De water flow rate through the collector is 45 liter/hour. De collector is 2 [m2] and the average solar radiation in the time period considered is 1000 [W/m2]. What is the temperature of the hot water to the tank? The efficiency of the collector can be assumed to be 0.7 (we neglect the dependency to the water temperature) (multiple choice, one answer) 34 [OC] 47 [OC] 54 [OC] 67 [OC] 74 [OC]|The following processes occurs in a rever sible thermodynamic cycle: 1-2: Reversible polytropic compression at pressure X)bar at volume Y)m' to a pressure [Z]bar and specific volume (A]m'/kg. The index of compression may be taken as n. 2-3: Reversibly expansion with expansion index of 2 to pressure [B/bar. 3-1: Reversible cooling at constant volume to the initial state.D-Q-1 Write T for true Statement or F for False Statement. [1]. Heat transfer: is transit mass between the bodies of materials due to the temperature difference [2]. Conduction: is this phenomenon replay to random motion, translational motion, rotational motion and internal vibrational motion of particles. [3]. The thermal diffusivity represents how fast heat diffuses through a material [4]. A material that has a low thermal conductivity or a low heat capacity will have a large thermal diffusivity. [5]. Heat transfer by radiation does not require the presence of an intervening medium. Convection is the mode of energy transfer between a solid surface and the adjacent liquid or gas that is in motion [6]. [7]. Conduction: is cold transfer from the higher particles activity to lower activity due to the temperature difference [8]. The larger the thermal diffusivity, the non-faster the propagation of heat into the medium [9]. The convection heat transfer coefficient in W/m. [10]. he rate of…
- D-Q-1 Write T for true Statement or F for False Statement. [1]. Heat transfer: is transit mass between the bodies of materials due to the temperature difference [2]. Conduction: is this phenomenon replay to random motion, translational motion, rotational motion and internal vibrational motion of particles. [3]. The thermal diffusivity represents how fast heat diffuses through a material [4]. A material that has a low thermal conductivity or a low heat capacity will have a large thermal diffusivity. [5]. Heat transfer by radiation does not require the presence of an intervening medium. Convection is the mode of energy transfer between a solid surface and the adjacent liquid or gas that is in motion [6]. [7]. Conduction: is cold transfer from the higher particles activity to lower activity due to the temperature difference [8]. The larger the thermal diffusivity, the non-faster the propagation of heat into the medium [9]. The convection heat transfer coefficient in W/m. [10]. he rate of…Heat pump .11 A building owner wants to apply a heat pump in his building. It has already been decided that the building will have a central heating system. He wants to choose the most energy efficient combination of options. Which combination of the following options will lead to the highest SCOP? (Note: multiple answers possible) Radiators using the range 40-60 [OC] Floor heating using the range 30- 45 [OC] A ground source heat pump An outdoor air heat pumpBerserk - Chapter 2- Read Berserk compressor. reggienet.illinoisstate.edu https://reggienet.illinoisstate.edu/access/content/attachment/f6b18576-acf9-... Hint. Both power-sizing and indexing will be used. Ć + Question 3. The purchase price of a natural gas-fired commercial boiler (capacity X) was $181,000 eight years ago. Another boiler of the same basic design, except with the capacity 1.42X, is currently being considered for purchase. If it is purchased, some optional features presently costing $28,000 would be added for your application. If the cost index was 162 for this type of equipment when the capacity X boiler was purchased and is 221 now, and the applicable cost capacity factor is 0.8, what is your estimate of the purchase price for the new boiler? Hint: Use both indexing and power-sizing methods. 88 Illinois State University: TEC 330 001 FA2022 - Applied Economic Analysis For...