If the heat absorbed by a heat engine is 600 kJ per cycle, and it releases 480 kJ of heat each cycle, what is its efficiency? (Express your answer in percent.)

Q: A graphite heat exchanger is constructed by drilling circular channels in a solid block of graphite.…

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Q: The liquid food is flowed through an uninsulated pipe at 90 ° C. The product flow rate is 0.4 kg / s…

A: Given: T1 = 90 oC             T1 = 15 oC Required: Convection coefficient in the pipe hfood =?…

Q: Solve question. Use countercurrent heat exchanger process. Also find the log mean temperature…

A: Step 1: Given t1​=125oCt2​=90oCT1​=50oCT2​=75oCm˙w​=4.81kg/sco​=1.9kJ/kg.Kcw​=4.184kJ/kg.K Step 2:…

Q: Q2: A piston-cylinder device contains 0.85 kg of refrigerant- 134a at -10°C. The piston that is free…

A: Given that: Mass of refrigerant 134a, Mr = 0.85 kg Mass of piston, M = 12 kg Diameter of piston = 25…

Q: A single-pass cross-flow heat exchanger with both fluids unmixed has water entering at 16C and…

A: Given that, Flow rate of oil Vh = 0.19 m3/min = 0.00317 m3/s Density of oil ρ = 870 kg/ m3 Inlet…

Q: Question 3: Water flowing at the rate of 1.1 kg/s in a 2-4 shell-and-tube heat exchanger is heated…

A: Step 1: Step 1: Determine the Heat Transfer Rate (Q): First, we need to find the amount of heat…

Q: A counterflow heat exchanger with both fluids unmixed is used to heat water (cp = 4.181 kJ/kg.K)…

A: Mass flow rate of water =2.0 kg/s Specific heat capacity of water, CP,w=4.181 kJ/kg.K Inlet…

Q: heat transfer during this process

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Q: Example 6.2. Figure 6.7 shows a simplified flow diagram of a typical capillary viscometer (a device…

A: To find the viscosity of the fluid, we can use the Hagen-Poiseuille equation, which relates the flow…

Q: A. Identify the type of thermodynamic systems involved and the heat and work flows and their…

A: Hi, since there are multiple questions posted, we are allowed to answer one question per submission.…

Q: A heat engine operating on the Carnot cycle uses solar energy as the source of high-temperature…

A: Given: Heat flux from the solar irradiation: q'flux=0.51 kWm2   The heat engine operates on the…

Q: Argon gas in an insulated plasma deposition chamber with a volume of 2 L is to be heated by an…

A: Volume = V = 2 L= 0.002 m3, P = 1.5 Pa T = 300 K, We know that, R = ldeal gas constant = 8.314…

Q: (b) In figure Q1(a) a system is taken from state A to state B along the path ACB, 95 J of heat flows…

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Q: The temperature variation of molar heat capacities, Cpm / (J K' mol') for carbon dioxide gas are a =…

A: Whenever we need to rise the temperature of a substance, we have to supply heat. The amount of heat…

Q: 600 kW of heat is removed from a heat exchanger with 200 mol/s formaldehyde flowing through. The…

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Q: Water in a tank at 87OC is pumped into a second tank that is located 20 m above the initial tank at…

A: Temperature of water in tank 1 = 87 0C Mass flow rate = 6.5 kg/s Work done by the pump = 500 kJ/s…

Q: QE/ Consider the flow of a gas with density 1 kg/m³, viscosity 1.5 x 105 kg/(m.s), specific heat Cp…

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Q: A piston-cylinder device which containing air undergoes a cycle that made up of three processes as…

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Q: Solve for the amount of heat (in kJ) of 10 galloon of cooling water transferred from an engine to…

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Q: Please make sure the answers are correct!

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