vaporator temperature of -10 degrees celsius and condenser temperature of 30 degrees celsius . If compressor power is

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

A:

Q: . Consider a natural gas with a molar composition of 92% methane, 5% ethane and 3% propane. An…

A: given,T1=300 KT2 = 320 KP1 =1 barP2 = 300 barsheat removed = 875 kWflow rate = 0.4 kg/s

Q: Assume that the turbines at a coal-powered power plant were upgraded, resulting in an improvement in…

A:

Q: Calculate the resistivity (2.cm) of an n-type material has an electron mobility of 4200 cm?/V.s and…

A:

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: 3. (a) What is the efficiency of a cyclical heat engine in which 75.0 kJ of heat transferoccurs to…

A:

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: 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: An electrical power station requires 1.1 × 1014 J of heat transfer into the engine and has an…

A:

Q: Assume that the turbines at a coal-powered power plant were upgraded, resulting in an improvement in…

A:

Q: Carnot refrigerator extracts heat from a freezer at -5.00°C and exhausts it at 25°C. How much work…

A: Given T1 = 25 0 C = 25+273 = 298 K T2 = 273 -5 = 268 K Heat extracted Q2 = 1 J

Q: Heat is transferred to a heat engine from a furnace at a rate of 80 MW. If the rate of waste heat…

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Q: A mass of 5 kg of saturated water vapor at 300 kPa is heated at constant pressure until the…

A: Given,

Q: A smaller power plant produces 25 kg/s steam at 3 MPa, 600•C, in the boiler. It cools the condenser…

A: solution: given that steam produced 25 kg/s at 3 MPA , 600 C. Find the net power output  in the…

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: What is the maximum possible coeffcient of performance of a heat pump that brings energy from…

A: The relation between temperature in kelvin and the temperature in Celsius is: Convert the…

Q: In a conventional refrigeration cycle which uses Freon-12 as the refrigerant, the temperature  of…

A: Consider the given data as below. Temperature, T1=T4=20°C Load, Q=50 kW Pressure, P2=P3=1.40 Mpa…

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: If an engine operates between 269°C and 26°C, what is its maximum thermodynamic efficiency (as a…

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Q: 1 Kg of water at 373K isd converted into steam at same temperature . Volume of 1cm3 of water becomes…

A:

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 freezer has a coefficient of performance of 5.7. You place 0.45 kg of water at 21°C in the…

A:

Q: A heat engine operates with sink temperature 25 degree with the efficiency of 30%.By how many…

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Q: A heat engine operates between a source at 477°C and a sink at 25°C. If heat is supplied to the heat…

A:

Q: A Carnot refrigerator extracts heat from a freezer at -5 degree C and exhausts it at 25 degree C .…

A: Convert the temperature from degree centigrade to Kelvin. And

Q: Determine the COP of a heat pump that supplies energy to a house at a rate of 8000 kJ/h for each kW…

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Q: It is claimed that a certain cyclical heat engine operates between the temperatures of TH = 460°C…

A: The source temperature TH = 460 + 273 = 733 K The sink temperature TC = 153 + 273 = 426 K The work…

Q: A heat engine operates between two reservoirs at 800 and 20°C. One-half of the work output of the…

A:

Q: Determine the COP of a refrigerator that removes heat from the food compartment at a rate of 5040…

A: