In vapour compression cycle the condition of refrigerant is superheated vapour O After passing through the condenser Before passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve

Q: PROBLEM 1: A 20-ton vapor compression refrigeration system is to evaporate R-12 at -20°C and to…

A: Solution: Given Data: Q=20 tons×3.52=70.4 kW N=10000 rpm×160=166.67 rpsc=0.05

Q: Describe the Internally and Externally Reversible Processes

A: A process is said to be the internally reversible process in which the system returns to its…

Q: Choose the valid statement about ideal vapor compression refrigeration cycle Select one: O a. Heat…

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Q: QUESTION 2 Modification of the reversed Carnot Cycle to Vapour compression cycle involves: Repacing…

A: To fill: The box of the problem. Explanation: The reverse Carnot cycle: A Carnot cycle consists of…

Q: Please draw the diagram of the components of the vapor compression refrigeration cycle and briefly…

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Q: A standard vapor-compression cycle uses R22 as refrigerant and operates at a condensing temperature…

A: Refrigerant=R22Condensing temperature, Tc=42o CEvaporating temperature, Te=-10oCRefrigerating…

Q: What are some ways to increase the COP of the vapour compression cycle?

A: Given Vapour compression cycle To find Methods to improve the COP

Q: a) Water vapor expands through the turbine, developing power. b) Water condenses in the large…

A: here all option a ,b,c,d,e, are all correct

Q: Steam or water substance is used in a Carnot refrigeration cycle. The evaporator tempera 300 K and…

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Q: In a refrigerațion cycle, the flow of refrigerant is controlled by; * evaporator compressor…

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Q: A two stage compressor using NH, is to operate with 54.74 kPa evaporative pressure, 384.26 kPa…

A: Two stage compression with water intercooler and flash intercooler It consist two compressors one is…

Q: PROBLEM 1 : An ammonia vapor refrigeration cycle operates at an evaporator temperature of -16 °C and…

A: Answer: The COP of the heat pump : (a) for an ideal saturation cycle: 5.4435. (b) for wet…

Q: PROBLEM 1 : A 50-ton vapor compression refrigeration system is to evaporate R-12 at -20°C and to…

A: “Since you have posted a question with multiple subparts, we will solve first three sub parts for…

Q: e of refrigerant are 48°C and -20°C respectively. Saturated liquid leaves the condenser and…

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Q: Match the following to its correct definition a. boiler b. condenser c. reheater d. open feedwater…

A: Boiler:  It is where bled steam and/or water at different temperatures mix. It is where water is…

Q: Draw the schematic diagram of a standard Vapor Compression Refrigeration Cycle. Label the main parts…

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Q: Consider three ideal vapor compression cycles with three evaporators and one condenser. Connect the…

A: Option a is correct.

Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °C. It expands in the first turbine until…

A: Given data as Pressure at the inlet to the 1st stage turbine (P1)=48 bar The temperature at the…

Q: Which statement is right regarding the following heat pump? Outside air Inside air Condenser…

A: Option (a)  it heats the indoor space by using heat rejection process.

Q: ideal engine that has one stage of regenerative cycle; condenser pressure is 10kPaa and extraction…

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Q: In a refrigerant 22 refrigeration system the capacity is 180 kW at a temperature of "-30°C." The…

A: The compressor, condenser, expansion device, and evaporator are the four key components of the…

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Q: In the absorption refrigeration cycle, which of the following componennts replace the compressor in…

A: Refrigeration: It means cooling a space, substance or system to lower and maintain its temperature…

Q: An ideal multi-pressure refrigeration system consists of two Compressors serving one 60 Tons…

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Q: In a refrigerant 11 system, one evaporator is to provide 256 kw of refrigerant at 0°C and another…

A: From refrigerant table for R11: At -20oC : →hf=182.81 KJKg ; →hg=378.66 KJKg At 0oC : →hf=200 KJKg ;…

Q: An ideal multi pressure refrigeration system consists of 57 tons HP Evaporator at 9°C and 63 tons LP…

A: Given that, HP Evaporator, Qhe=57 tons, The=9 °CLP Evaporator, Qle=63 tons, Tle=-26 °C,Condenser…

Q: A refrigerant 22 vapor compression system includes a liquid-to-suction heat exchanger in the system.…

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Q: For a vapor compression refrigeration system using R-22 as refrigerant, condenser outlet…

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Q: a b An ideal vapor-compression refrigeration system uses refrigerant - 22 as working fluid Saturated…

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Q: i) A standard vapor compression cycle using Freon 22 operates on simple saturation cycle at the…

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Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °C. It expands in the first turbine until…

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Q: 8.) Two-stage cascade refrigeration system uses R-22 as the working substance. The evaporator is at…

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Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °C. It expands in the first turbine until…

A: Given data: P3=48 barT3=T5=400°CP6=0.04 bar Need to determine the specific enthalpy in kj/kg for…

Q: Air conditioner using R-22 works on the condensing and evaporating temperatures of 50 F and -30 F…

A: Given:Evaporating temperature, Te=-30 FCondensing temperature, Tc=50 FCoP=2.855

Q: Ql:- Multi-evaporator system with single compressor and individual expansion valves system used…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °C. It expands in the first turbine until…

A: It is required to determine pressure at state 5

Q: A 9.5 tonnes capacity of ammonia refrigerator operates between evaporator and condenser temperature…

A: The vapor compression refrigeration cycle consists of four processes. Isentropic compression,…

Q: QUESTION 54  An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its…

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Q: Required information     A two-stage compression refrigeration system operates with refrigerant-134a…

A: Show the T-s diagram for compression refrigeration cycle as in Figure (1).

Q: Q1:- A refrigeration unit using R-134a as a refrigerant operating with two evaporators at -4 °C…

A: Given data, The evaporator temperature of 1st unit, T2 = -4 °C The evaporator temperature of 2nd…

Q: A two-stage compression refrigeration system with flash intercooler using ammonia as refrigerant…

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Q: The isentropic efficiency of the turbine and the pump is 90%, the steam flow circulating in the…

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Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °C. It expands in the first turbine until…

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Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °C. It expands in the first turbine until…

A: It is required to determine specific enthalpy at state 3

Q: Determine isentropic heat drop in the nozzle

A: Given data: Nozzle efficiency(ηN)=0.9Blade velocity ratiouv=0.5Mean velocity ratio(u)=150 m/s

Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °C. It expands in the first turbine until…

A: Given: P3=48 barT3=400°CT5=400°CP6=0.04 bar

Q: The following is how a reheat turbine works. It takes steam with a pressure of 1560 psi and a…

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Q: A single compressor using ammonia as refrigerant has three evaporators of capacity 30 TR, 20 TR and…

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Q: Steam is supplied to a two-stage turbine at 48 bar and 400 °c. It expands in the first turbine until…

A: It is required to determine specific enthalpy at state 4