Find COP of refrigerator and heat pump operating between temperatures 300 K and 900

Q: The thermal efficiency of a heat engine is 30%, the heat rejected from the engine is 30kJ, evaluate…

A: The thermal efficiency of a heat engine is defined as the ratio of the total work output by the heat…

Q: A heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 c° and deliver…

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Q: An engine has a thermal efficiency of 40%. It is used to drive a refrigerator having a COP of 5.0.…

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Q: ind out the COP of a Carnot heat pump operating between temperatures 6o C and 37o

A: Given:Higher temperature, TH=37o C or 310 KLower temperature, TL=6o C or 279 K

Q: Find the COP of heat pump operating between 1000K and 300K

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Q: A solar energy based HE which recieves 60KJ of heat at 900C and rejects 50kJ of heat to the ambient…

A: Given data,  Q1= 60 kJ ,T1= 90°C  Q2= 50 kJ ,T2= 30°C

Q: Determine the power consumption of a domestic refrigerator

A: Given: Refrigeration capacity  (RC) = 1/8 TR Ambient temperature (TH) = 40oC= 313 K Require…

Q: A Carnot refrigerator operates with Refrigerant 134a as a refrigerant con- densing at 50°C and…

A: Given Data, Tmax = Maximum temperature of the refrigerator = 50°C = 323K Tmin = Minimum temperature…

Q: A refrigerator should remove 400 kJ from some food. Assume the refrigerator works in a Carnot…

A: Given data: Total energy to be removed from food, Qt = 400 kJ. The temperature of the hot region,…

Q: Heat is transferred to a heat engine from a fumace at a rate of 120KW. If the rate of waste heat…

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Q: A heat engine of 30% efficiency drives a heat pump of COP 5. The heat is transferred both from…

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Q: Find the COP of refrigerator working between temperatures 350 K and 1050 K. What will be efficiency…

A: Given data:

Q: A solar energy based HE which recieves 60KJ of heat at 900C and rejects 50kJ of heat to the ambient…

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Q: A Carnot refrigerator and a heat pump are supplied with equal amount of work. The refrigerator…

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Q: 7 Heat is transferred from a tank of water in a refrigerator at(OC) degrees to a tank of boiling…

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Q: A refrigeration system operates an ideal vapor compression using R-143a with an evaporator…

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Q: A reversible engine converts one-sixth of heat input into work. When temperature of sink is reduced…

A: According to the problem, the work obtained is one-sixth of the heat input. W=16QH Here, QH is the…

Q: Find the COP of heat pump operating between 27 degree C and 177 degree C. What will be COP of…

A: Given data as per questionLower temperature= 270c=300kHigher temperature =1770c=450kwe know thatCOP…

Q: anged in series and their System would be

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Q: A heat pump shown is driven by 3.0 MW motor and receives heat from a source at 60 C and deliver…

A: Given, Temperature of source = TL = 60 oC = 333 K Temperature of boiler = TH = 140 oC = 413 K Work…

Q: nd out the COP of a Carnot heat pump operating between 6°C and

A: Given:High temperature of heat pump, T1=37o C or 310 KLow temperature of heat pump, T2=6o C or 279 K

Q: Find the C.O.P of a refrigeration system if the work input is 80 kJ/kg and refrigeration effect…

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Q: A heat pump operates between temperature ranges of 100 C and 250 C. Find its COP. What will be its…

A: Given, Lower temperature in the operating cycle = TL = 100 oC = 373 K Higher temperature in the…

Q: A cold storage plant of 30 tonnes of refrigeration capacity runs with its performance just th of its…

A: Data given-  Capacity = 30 Tonnes  Actual COP = 0.25 Carnot COP  T2 = -10°C = 263 K  T1 = 25°C = 298…

Q: In an absorption refrigeration system, heating cooling and refrigeration takes place at 140°C, 25°C…

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Q: A heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 C and deliver…

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Q: The thermal efficiency of a Carnot heat engine is 30%. If the engine is reversed in operation to…

A: Given,  Efficiency of carnot heat engine = η = 30 % = 0.3   Let us say carnot engine operates…

Q: Find the COP of heat pump operating between 300 K and 600K temperature. If the same temperature…

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Q: Pineapple fruits with a mass of 500 kg are supplied to a cold storage at 20 C. The cold storage is…

A: Givenm=500kgT1=20oCTC=5oCt=10hr=10×60×60sLHF=105kJ/kgSH =1.256 kJ/kgK

Q: 5. A heat engine release heat into the cold reservoir at 500 K with a carnot efficiency of 25 %.…

A: The exhaust temperature of 266.66 K is needed for 60% Carnot efficiency.

Q: A refrigerator cycle uses refrigerant R-134a and operates between a low-side pressure of 1.5 Bar and…

A: Given:Refrigerant=R134aLow side pressure, Pe=1.5 BarHigh side pressure, Pc=10 BarPower input to the…

Q: of Performance of the heat pump which should be higher than 100%) when the cabin temperature is 24°C…

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Q: The COP of the heat pump is found to be 5.62, and the heat pump operates with the source at 25°C,…

A: COP=5.62QA=2.12 KWTs=25°C

Q: A computer lab filled with 20 computers and 15 students is cooled by an air conditioning unit on a…

A: The heat generated by an average student is 90 W. The heat generated by a computer is 150 W. The…

Q: Find the COP of a Carnot refrigerator working on this temperature limits 320Celsius and 25°Celsius.

A: Given, Higher temperature = TH = 32 oC = 305 K Lower temperature = TL = 25 oC = 298 K   Coefficient…