A refrigerator operates between temperatures of 315 and 279 K. What would be its maximum coefficient of performance?

Q: A refrigerator has a coefficient of performance of (5.0x10^0). When removing (3.600x10^4) J from…

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Q: An ideal heat pump is being considered for use in heating an environment with a temperature of…

A: Given:  temperature of hot reservoir, TH = 22 degree C = 295 K  Coefficient of performance, COP = 12…

Q: Calculate the ideal efficiency of an engine in which fuel is heated to 2700 K and the surrounding…

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Q: What is Carnot efficiency Of a heat engine operating between the temperatures of 153°C And 19°C Give…

A: Carnot efficiency η=1-TCTH

Q: What is the ideal efficiency of a reversible heat engine cyclically operating between a source…

A: Given information: Here, Tsource and Tsink are the absolute temperatures of the source and the sink…

Q: In a very mild winter climate, a heat pump has heat transfer from an environment at 5.00C to one at…

A: Given: The temperature of environment is T=5°C. The temperature is T'=35°C.   The expression to…

Q: What is the carnot efficiency of a heat engine operating between the temperatures of 300C (573K) and…

A: Carnot efficiency is the theoretical maximum efficiency of a heat engine.

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.oC) tray compartment…

A: Given data: Coefficient of performance = 2 Mass of water m=5.47 g Temperature =-190C. Room…

Q: A refrigerator has a coefficient of performance of 2. The ice (cjce = 2090 J/kg.°C) tray compartment…

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Q: A refrigerator has a coefficient of performance of 1. The ice (cice = 2090 J/kg.°C) tray compartment…

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Q: A restaurant refrigerator has a coefficient of performance of 4.6. If the temperature in the kitchen…

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Q: The coefficient of performance for a freezer is 7.8. How much heat must be extracted by the freezer…

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Q: What is the maximum possible efficiency (in Percent) of a steam engine working between a hot…

A: The efficiency is given by  η = 1- TcTH Where, Tc is the temperature of cold junction and the TH is…

Q: Calculate the work done by the refrigerator if it is having a coefficient of performance of 2.3 and…

A: Given:Coefficent of performance is 2.3Release 200 J of heat energy to the reservoirTo Find:Work Done…

Q: One of the most efficient engines ever built is a coal-fired steam turbine in the Ohio valley,…

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Q: What is the coefficient of performance of an ideal heat pump that has heat transfer from a cold…

A: TC = -230C = -23 + 273 = 250 K TH = 360C = 36 + 273 = 309 K CP = ?

Q: What volume of water at 0°C can a freezer make into ice cubes in 1.0 h, if the coefficient of…

A: Freezing temperature, Tf = 0°C = 273 KTime, t = 1 h = 3600 sCoefficient of performance, Cp = 6Input…

Q: A refrigerator has a coefficient of performance of 3.25. How much work must be suppliedto this…

A: Given data: Coefficient of performance =3.25 Change in heat,Q=261 J Let work done be W: Applying The…

Q: What is the coefficient of performance of a refrigerator that operates with Carnot efficiency…

A: The coefficient of performance of a refrigerator is,

Q: Suppose you want to operate an ideal refrigerator that has a cold temperature of -7.5°C, and you…

A: Suppose you want to operate an ideal refrigerator that has a cold temperature of -7.5°C, and you…

Q: what is the maximum possible coefficient of performance of a heat pump that brings energy from…

A: Given: Temperature, Th = 22o C = 273+22 = 295 K and Tc = 3o C = 273+3 = 276 K

Q: What is the best coefficient of performance possible for a hypothetical refrigerator that could make…

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Q: Suppose you want to operate an ideal refrigerator with a cold temperature of −10.0ºC , and you would…

A: It is given that,

Q: A completely reversible refrigerator operates between thermal energy reservoirs at 450 R and 540 R.…

A: The coefficient of performance (COP) of a reversible refrigerator is given by…

Q: Suppose you want to operate an ideal refrigerator that has a cold temperature of -12.5°C, and you…

A: Temperature inside the refrigerator,  Coefficient of performance of the refrigerator,

Q: The temperature of the cold reservoir of a refrigerator is -12 °C while in its hot reservoir is 33…

A: Given Sink temperature T2 = -12 oC = 273+(-12) = 261 K Source temperature T1 = 33 oC =273+33 =306 K

Q: A refrigerator uses 1750 J of mechanical work to absorb 3750J from cold reservoir at 260 K. What is…

A: Given: Mechanical work uses by refrigerator = 1750 J Desired effect from cold reservoir = 3750 J…

Q: What is the coefficient of performance of an ideal heat pump that has heat transfer from a cold…

A: The coefficient of performance of ideal heat pump is given by, COP=THTH-TC Here, TH is the hot…

Q: What is the coefficient of performance of an ideal heat pump that has heat transfer from a cold…

A: cold temperature = -26 C = 247 K Hot temperature = 36 C  = 36 + 273  = 309 K

Q: The temperature of the cold and hot reservoirs between which a Carnot refrigerator operates are −73…

A: The coefficient of performance of a Carnot refrigerator is given by, Given,

Q: A refrigerator works between temperatures TA = 105°C and TB = 5°C and has a quarter of the maximum…

A: Given:T1=105°C=378 KT2=5°C=278 Krate of work done Wt=30 watts

Q: What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of…

A:

Q: What volume of water at 0°C can a freezer make into ice cubes in 1.0 h, if the coefficient of…

A: Given data: Temperature of water is, T=0∘C. Time interval is, t=1.0 h=1.0 h×3600 s1 h=3600 s.…

Q: A refrigerator with a performance factor of 1/3 works between two heat reservoirs at if (oK 350) and…

A: Performance factor  β = 1/3 T1  = 350 K T2 = 200 K Heat absorbed from cold reservoir Q2 = 500 J Heat…

Q: Three moles of a monatomic ideal gas expand adiabatically and does 1000 J of work. By how many…

A: Given data: Number of moles of the monoatomic ideal gas, n= 3 The gas expands adiabatically. Work is…

Q: What is the coefficient of performance of an ideal heat pump that has heat transfer from a cold…

A: The expression for the co-efficient of performance of an ideal heat pump is, COP=THTH-TC Here, TH is…

Q: What is the best coefficient of performance possible for such a heat pump, if it has a hot reservoir…

A: The temperature of the hot reservoir is, TH=45.0°C+273=318 K The temperature of the cold reservoir…

Q: A heat pump has a coefficient of performance of 3.75 and operates with a power consumption of 7150…

A: The coefficient of performance of the heat pump is, COP=3.75 The power consumption is, Pin=7150 W…

Q: An ideal reversible refrigerator keeps its inside compartment at 9.0°C. What is the high…

A: Coefficient of performance = 3.7Inside temperature (Tc) = 9oC

Q: Calculate the maximum efficiency of an engine operating between 60 Co and 160 C°. 28% A O 30% .B O…

A: Maximum efficiency of the heat engine will be obtained when it works in the Carnot cycle. The…

Q: A Carnot refrigerator operates between two heat reservoirs whosetemperatures are 0 °C and 25 °C.…

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Q: What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of…

A: The given data are: TH=633 KTL=473 K Here, TH denotes the higher temperature and TL denotes the…

Q: An engineer must design a refrigerator that does 300 J of work per cycle to extract 2100 J of heat…

A: Write the variables with suitable value.

Q: In a very mild winter climate, a heat pump has heat transfer from an environment at 5.00ºC to one at…

A: Given: Tc = 5 degree C = 278 K  Th = 35 degree C = 308 K

Q: 外 What is the coefficient of performance of a refrigerator that operates with Carnot efficiency…

A: Given T2  = -3 o C = -3 + 273 = 270 K T1  = 27 o C = 27 + 273 = 300 K

Q: The temperature inside a Carnot refrigerator is 7.89°C. What is the high temperature, Th, in Celsius…

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