The objective of a refrigerator is to remove QL from the cooled space.

Q: SUBJECT: THERMODYNAMIC COURSE: II ASSI.LACTURE: NATIQ ABBAS Example 2:- Refrigerant-134a enters the…

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Q: A refrigerator remove heat from a refrigerated space at -5°C at a rate of 0.35 kJ/s and rejects it…

A: Given, Temperature at which refrigerator rejects the heat = T1 = 20 oC = 293 K Temperature at which…

Q: What is the highest COP that a refrigerator operating between temperature levels TL and TH can have?

A: The maximum COP(Coefficient of performance)in a refrigerator is possible only when it runs on…

Q: A compressor serves two evaporators, one providing 5 tons of cooling at -20 degree F and the other,…

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Q: heat removal rate from a refrigerated space and the power input to the compressor are 9.0kW and…

A: Given:HRR=9 kWW=1.8 kW

Q: A standard vapor compression system produces 20 tons of refrigeration using R-12 as refrigerant…

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Q: A refrigeration plant working on a simple vapour compression cycle with pressure limits of 2.1 bar…

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Q: Refrigerator 1 simulates an ideal refrigerator and therefore operates on a Carnot cycle using R-134a…

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Q: Properties of Carbon Dioxide: h@ 220 KPa and -5°C = 350 KJ/kg br@ 25°C = 223.65 KJ/kg b: @ 22°C =…

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Q: A refrigerator is designed with a turbine instead of a throttle. What would you expect to happen to…

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Q: a) The rate of heat removal from the refrigerated space and the power input to the compressor, b)…

A: (a) Write the enthalpy and entropy of the refrigerant as superheated vapor from the superheated…

Q: 50 btu of heat are added to a gas at a constant temperature of 600 F. How much of this heat is…

A: Given Data: The heat added at temperature TH  = 600 F is Q = 50 Btu. The refrigerator temperature…

Q: A heat engine operating with a hot reservoir of furnace gases at 2300 °C. The cooling water is…

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Q: Consider a household refrigerator that uses HFC-134a as the refrigerant, operating between the…

A: Consider a household refrigerator that uses  HFC-134aas the refrigerant and is operating between the…

Q: A parameter used to characterize the heat pump cycle performance is called the thermal efficiency.…

A: Heat pump: The device that is used for transfer heat is called a heat pump. Refrigerators and air…

Q: Write your answer in 4 decimal places. DO NOT round off intermediate values. A refrigerator operates…

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Q: 4. An ammonia refrigerating plant operates between pressure limits of 10.34 bar and 2.265 bars. The…

A: The ammonia refrigeration plant works on the basis of thermodynamic cycle in which the process of…

Q: (iii) What is the difference between a refrigerator and a heat pump?

A: Solution to the first question (iii) as per our Company policy. To find: The difference between a…

Q: The power required to drive the compressor in a carnot refrigerator is 60hp. It operates between…

A: For solution refer below images.

Q: Explain the thermodynamics cycle of a refrigerator?

A: given; Explain the thermodynamics cycle of a refrigerator?

Q: Discuss how a refrigerator works

A: Discuss how a refrigerator works

Q: Consider a fully reversible heat pump operating between TH = 45°C and Tc = 5°C. If W cycle = 203 kJ,…

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Q: 3.) When a gas surrounded by air is compressed or expands adiabatically, its temperature rises or…

A: Since you have asked multiple questions, only the first question is solved for you. If you want any…

Q: 10-kW cooling load (i.e., ?̇ L) is to be served by operating an ideal vapor-compression…

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Q: An ideal refrigerator is operating between 37°C and – 13°C. The power required per ton of…

A: Given, Temperature of hot reservoir = TH = 37 oC = 310 K Temperature of cold reservoir = TL = -13 oC…

Q: A typical 200-m2 house can be cooled adequately by a 3.5-ton air conditioner whose COP is 4.0.…

A: The capacity of the air conditioner is written as,

Q: The refrigerator removes heat at the rate of 5000 kJ/hr at 5 °C. It rejects the heat at 35 °C. COP…

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Q: Define the no refrigerator can have a higher COP than a reversible refrigerator operating between…

A: COP of an irrevesible refrigerator is given by:→(COP)Ref,IRREV=1QHQL-1While,COP of a…

Q: 1.A vapor-compression refrigeration system, using R-134a, is being used to keep a food storage room…

A: Given data Refrigerant Used : R 134a Evaporator Temperature = 0°C Condenser Temperature = 48°C…

Q: A vapor-compression refrigeration system using ammonia as refrigerant is to be used to cool 45,000kg…

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Q: 1. The four heat engines shown below have the maximum possible efficiency. Rank from smallest to…

A: Q.1We know thatη=1−TLTHconsidering 1st cylinderT1=300KT2=600 Kη=1−300600=0.5η1=50%considering 2nd…

Q: Commercial Refrigerators are

A: A commercial refrigerator is refrigerator which is used as cold storage for various business items .…

Q: What would be the maximum COP for a heat pump operating in your house if the outside temperature is…

A: Given: To determine the maximum COP of the heat pump.

Q: A Carnot vapor refrigeration cycle operates between thermal reservoirs at 40 ⁰F and 100 ⁰F.…

A: Given data: TL=40°F=277.594 KTH=100°F=310.928 K Need to determine the coefficient of performance.

Q: You have a refrigerator in your garage. Does it perform differently in the summer than in the…

A: A fridge is simply not protected or made alright, to run in an exceptionally hot climate. When we…

Q: The refrigerator removes heat at the rate of 5000 kJ/hr at 5 °C. It rejects the heat at 35 °C. COP…

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Q: The following information is provided for a refrigerator operating on the a vapor-compression…

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Q: The COP of an ideal refrigerator is N. If the machine is operated as a heat pump between the same…

A: Given, Coefficient of Performance (COP) of refrigerator = COPR = N   We are supposed to find COP of…

Q: Air conditioning units are sometimes placed on the roof of homes in the city. Occasionally, the air…

A: The phenomenon in which a vibrating framework or an outer force induces or drives another framework…

Q: Can you show also the T-S diagram and P-h diagram   A Single Stage Vapor Compression (SSVC)…

A: Given that: Refrigerant is R134a Cooling capacity = 6 Tons = 21 kW Evaporator exit conditions are =…

Q: A Carnot refrigerator operates using R-152a operates at a condenser temperature of 35oC and an…

A: Given: The condenser temperature, Tc = 35oC The evaporator temperature, Te = -25oC

Q: What is the COP of the Carnot refrigerator if the COP of the Carnot heat pump is 2.3 where two…

A: System is a definite area under our consideration. The state of the system is defined as property…