A carnot device extracts 5.00 kJ of heat from a body at -10.00C. How much work is done if the device exhausts heat into the environment at 250C

Q: In a piston-cylinder assembly, 0.2 MPa pressure, 0.5 kg of Refrigerant 134 (SA-134) at 20 °C is…

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Q: AFor a heat engine operating with steam, working medium is expanding from 8 bar, vapor quality 0.86…

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Q: Using 1st law of thermodynamics, establish a thermodynamics system where adiabatic and non-…

A: An adiabatic process is a process in which there is no heat interaction between the system and the…

Q: Air in a piston cylinder arrangmemt undergoes a process Pv^1.3 =C. During this process 10 kJ of heat…

A: Given data: The polytrophic index is n = 1.3. The heat added is QP = 10 kJ.

Q: In a steam engine cylinder 0.15 kg of steam at 10 bar and 250 0C expands to a pressure of 1 bar. If…

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Q: Use the adiabatic pressure vs. volume relation to find a change in pressure and the work done on a…

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Q: 7. When 0.6 litre (1litre = 10-3 m³) of water in an electric kettle is heated from 20°C to 85°C to…

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Q: A rigid container with volume of 200 L is divided by a partition resulting to two equal volumes A…

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Q: A 2-kW electric resistance heater in a room is turned on and kept on for 30 min. Find the amount of…

A: Write the given data in the problem. P=2 kW  t=30 min Here, P is the power consumed by the heater,…

Q: g air with initial temperature of 100°C expands at a constant pressure of 2 bar to reach to a final…

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Q: During isothermal process, the initial pressure and volume are 5 x 109 and 5000 mm3 respectively.…

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Q: Water vapor enters a continuous flow turbine with 6 MPa pressure, 450oC temperature and 80 m/s…

A: Steam turbine It is a device which converts the thermal energy of steam into electrical energy. High…

Q: steam engine isentropically expands 5 kg/s of steam from 0.68 MPa, 220°C. the exhaust is dry and…

A: Given Data State 1: 0.68 MPa, 220°C State 2: dry saturated m= 5 kg/s

Q: 53.4 lbm of air in a rigid container at 22 psia and 400 R absorbs 3.04127 kW*hr of energy from an…

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Q: One kilogram of steam in a cylinder receives 170 kJ of heat transfer while the pressure remains…

A: The mass of the steam in the cylinder is .The amount of heat added to the steam is The heat transfer…

Q: A gas tank is accidentally placed near a heat source. Its bourdon pressure gauge reading was…

A: Considering gas tank to be rigid and given gas as ideal gas, we solved it using ideal gas equation…

Q: In the interior of a piston that can move freely, there is initially 2 kg of R-134a refrigerant in…

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Q: a line at 0,7 MPa and 40 IS attached tO a tank that Contains little water (assume zero initial…

A: Solution is given below:

Q: imagine a heat machine that operates between two thermal reservoir T10 and Q1>0.

A: Consider a Simple cycle having two reservoir T1 is temperature of Low temperature reservoir T2 is…

Q: Q6. A 500 W heater is used to melt 5 kg of solid ice at -30°C to gas at +130°C at a constant…

A: Since you have posted a question with multiple subpart, we will solve first three for you for…

Q: A fluid enters an apparatus at 480 ft/s, initially the pressure of the fluid is 120 psia, the…

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Q: R-410A

A: V=10l=.01m3T1=-10oCx1=.8T2=40oCWe=36kJ/kg from the R140 saturation table at T1=-10oC…

Q: Five kilograms of neon in a constant volume system. The neon is initially at 550 kPa and 350 K. Its…

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Q: final storage tank temperature if the initial temperature is 35C. Take

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Q: Q4: A 600 MW heat engine, which is cooled by water, the thermal efficiency of engine is 0.15 heat…

A: Given Data  Thermal efficiency, 0.15 Net work done, wnet=600MW 0.15=600/Qadd Qadd=4000MW

Q: An auditorium which is 5m wide by 15m long and a ceiling of 3m. The initial air is maintained by air…

A: Given, V1 = 5 x 15 x 3 m3 =225 m3 P1 = 101.3 kPa =101.3 X 1000 Pa T1 = 22 °C = 22+273 = 295 K P2 =…

Q: Should the final answer for part (b) be -ve as heat is exiting?

A: This question is based on the concept of steam power plant.

Q: A system produces 10 BTU of work upon addition of 50 kj of heat. Find the heat rejected in ft-lbf.

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Q: u blow on the back of your hand

A: AIR GETS TO COOL WHEN IT EXPANDS ( FROM THERMODYNAMICS LAWS)

Q: R-134a fills a 0.1-m³ capsule at 20°C, 200 kPa. It is placed in a deep freezer, where it is cooled…

A: Soln:- C. v. R- 134a out to the -20°c space. Energy equation :-  m(u2-u1) = 1Q2- 1W2 Actual process…

Q: Some water is heated and superheated steam occurs. Can you use specific heat to find this heat…

A: Superheated steam – When the temperature of the vapour is greater than the saturation temperature…

Q: 200Kg/min superheated steam at 40 bar and 350C enters a turbine through a 7.5cm ID pipe. It exits at…

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Q: Inside the cylinder-piston is water with at-200C. During isothermal process, 550 kJ of heat is…

A: Let Q is the heat supplied to the reservoir which is at constant temperature T(K). Since, it is a…

Q: A 2 ft ^ 3 rigid tank with 134a refrigerant is initially at 100 psia and 40% quality. Heat is…

A: Write the given data with suitable variables. V=2 ft3P1=100 psiax=0.4P2=300 psiaT=120 lbf-ftN=1000…