Find the performance factor of a heat pump operates between -4 degrees celsius and 30 degrees celsius .
Q: (a) What is the best coefficient of performance for a refrigerator that cools an environment at…
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Q: What is the internal energy of a thermodynamic system?
A: Internal energy is the energy possessed by the molecules of matter. This energy is mainly due to the…
Q: An electrical power supply of 275W is required to run a refrigerator and to keep the temperature of…
A: Inside temperature T2=4.5oC=277.5 K, initial temperature T1=31oC=304 K and power supply P=275 W.…
Q: Problem 4: A freezer has a coefficient of performance of 3.5. You place 0.25 kg of water at 33°C in…
A: GivenC.O.P=3.5 Mass of water, m=0.25 kgInitial Temperature of water, Ti=33°CFinal temperature of…
Q: 100 mL of water at 20.0 °C is placed in the freezer compartment of a refrigerator with a coefficient…
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Q: A refrigerator, with a compressor rated at 250 W, maintains an internal temperature of 4°C in a room…
A: The power consumed by compressor is W=250 W. The internal temperature is T1=4°C+273=277 K. The room…
Q: What volume of water at 0°C can a freezer make into ice cubes in 1.0h, if the coefficient of…
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Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.°C) tray compartment…
A: Given data, Performance coefficient of the refrigerator = 2 Cice = 2090 J/kg.oC Cwater = 4186…
Q: If the temperature of the interior of a refrigerator is 7° C and the temperature of surroundings is…
A: To find- The coefficient of performance (α)=? Given data- Temperature of interior of a…
Q: What is its coefficient of performance?
A: Given: Temperature of the refrigerator is -10.5∘C and the heat of the other environment is 60.0∘C…
Q: A heat engine takes in 1500 joules of heat at 2000K and rejects 950 joules of heat at 1000K. Find…
A: Given : W1 = 1500 J T1 = 2000 K W2 = 950 J T2 = 1000 K
Q: A heat pump maintains a dwelling at 68°F. When operating steadily, the power input to the heat pump…
A: Coefficient of performance of heat pump is given by COP=Q1Win Where Q1,Win are heat transferred to…
Q: (a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature…
A: (a) The best coefficient of performance (COP) for a heat pump can be determined using the following…
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 (cice = 2090 J/kg.ºC) tray compartment…
A:
Q: A refrigerator has a coefficient of performance of 2. The ice (cjce = 2090 J/kg.°C) tray compartment…
A:
Q: obtain an expression for work done during an adiabatic process?
A: Consider the following adiabatic process.
Q: (a) How much heat transfer occurs to the environment by an electrical power station that uses…
A: Given data: Heat input, QH=1.25×1014 Efficiency, η=0.44 a) Heat transfers to environment is find…
Q: A freezer is to convert 1.5 kg of water at 27.9°C to 1.5 kg of ice at -4.42°C. If the coefficient of…
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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: An ideal, reversible heat pump is taking heat from the outside air at -11.5 °C and discharging it…
A: Given : Reversible heat pump is taking heat from the outside air at -11.5 °C.…
Q: (b) How much heat in kilocalories would it pump into the warm environment if 3.60 x 107 J of work…
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Q: Suppose a heat pump has a stationary bicycle attachmentthat allows you to provide the work instead…
A: Given data The coefficient of performance of heat pump is: COP = 2 The duration of the race is: t =…
Q: A carnot refrigerator operates in a room in which the temp is 25 degrees celsius and consumes 3 KW…
A: Carnot refrigerator operates steadily. Coefficient of performance of Carnot refrigerator depends on…
Q: Suppose you want to operate an ideal refrigerator that has a cold temperature of -7.5°C, and you…
A: Given: Temperature of cold reservoir = -7.5o C Coefficient of performance = 6.5
Q: If a carnot engine operates between 35 degrees celcius to 76 degrees celcius. What is its thermal…
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Q: The freezer compartment of a refrigerator operates between a temperature of -15ºC and room…
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Q: A Carnot refrigerator operates in a room in which the temperature is 22°C and consumes 2 kW of power…
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Q: A refrigerator is rated at 370 Watt. What is the maximum amount of heat it can remove in 1 min if…
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Q: If an engine operates between 269°C and 26°C, what is its maximum thermodynamic efficiency (as a…
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Q: A freezer is to convert 1.67 kg of water at 28.8°C to 1.67 kg of ice at - 4.8°C. If the coefficient…
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Q: If the outdoor temperature is 36°C, what will be the ratio of the power required to maintain an…
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Q: A steam engine is operating at its theoretical maximum efficiency of 48%. If the waste heat has a…
A: Given data: The maximum efficiency is η=48% The temperature of the waste heat is T1=31°C+273=304 K…
Q: A freezer has a coefficient of performance of 5.7. You place 0.45 kg of water at 21°C in the…
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Q: A gas trapped in a piston chamber expands by 0.141 m3 at a constant pressure of 1.00 atm. If 4.28 kJ…
A: Given data,Volume Pressure Internal Energy
Q: A heat pump removes 2060 J of heat from the outdoors and delivers 3060 J of heat to the inside of a…
A: Given data The heat removed by the pump is QL=2060 J The heat delivered by the house is QH=3060 J…
Q: A heat pump is used to heat a home in the winter when the temperature in the ground is 0 °C and the…
A: Given data The lower temperature of the heat is given as TL=0°C. The higher temperature of the heat…
Q: The rate of heat leaking into a house from the warmer outdoors is given by A(TH – TC) where TC and…
A: The rate of heat leakingR=A(TH -TC)where TH is the indoor temperature and TC is the outdoor…
Q: A particular condominium uses a heat pump with a coefficient of performance of 3.85 to heat its…
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Q: An ideal heat pump is being considered for use in heating an environment with a temperature of…
A: Coefficient of performance of heat pump is, CP=THTH-TC Here, TH is hot and TC is cold temperatures.…
Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.°C) tray compartment…
A: Specific heat of water C1=4184 J/kgoC, specific heat of ice C1=2090 J/kgoC, latent heat of fusion…
Q: A refrigerator operates between temperatures of 315 and 279 K. What would be its maximum coefficient…
A: η=QcW=QcQH-QC=Qc/QH1-QCQH
Q: None
A: Part (a)Problem: What is the best coefficient of performance for a heat pump that has a hot…
Find the performance factor of a heat pump operates between -4 degrees celsius and 30 degrees celsius .
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