1000-W iron Air 23°C

Q: r of 2.29" is to be enlarged by blowing air into it. If the surface tension of the soap solution is…

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Q: Piston-cylinder device contains 5 kg of steam. The steam undergoes an internal energy change of 40…

A: Given data  mass of steam (m) == 5 kg  change in internal energy (∆u) = 40 kJ/kg  paddle work…

Q: How does heat transfer and energy transformations make heat engines like geothermal plants work?

A: HEAT ENGINES Heat engines cause heat energy through the working fluid to be transformed to cinematic…

Q: Is the boundary work associated with constant-volume systems always zero?

A: The expression for boundary work is given by, Here, W is net work done by the system; P is the net…

Q: A Carnot engine produces 58,639 hp of power while operating between temperature limits of 1,229°F…

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Q: Consider a classroom that is losing heat to the outdoors at a rate of 12,000 kJ/h. If there are 40…

A: Given, Qout = 12,000 kJ/h = 12,000/(3600) kJ/Sec = 3.33 kJ/Sec= 3.3 kW Heat Generated by…

Q: soap bubble with a diameter of 2.03" is to be enlarged by blowing air into it. If the surface…

A: Given:d1=2.03 inσ=0.0041 lbf/ftd2=4.85 in

Q: Determine the work interaction when a gas absorbs 12 kJ of heat which cause the internal energy to…

A: Givenq=12 kJE=30 kJAskedWork done=?SolutionE=q+W

Q: Determine the Kinetic energy in BTU of a 8 lbm block moving at a velocity of 85 ft/s.

A: Given data  mass of block (m)= 8 lbm velocity of block(v) = 85 ft/s

Q: A mass of 15 kg of air in a piston–cylinder device is heated from 25 to 95°C by passing current…

A: The flow of electricity is considered as the work done on the system. The enthalpy change of the gas…

Q: When is work said to be done by a system. Is there any difference between work transfer and heat…

A: Work done is a way through which energy transfer occurs between the system  Energy is the ability or…

Q: Consider a TV set that consumes 120 W of electric power when it is on and is kept on for an average…

A: Given: The average time per day TV is kept on is t=6 h The power consumes by the TV is P=120 W The…

Q: A fluid enters a machine at 187.91 m/s, 792 kPa, and with a specific volume of 0.111 m³/kg. The…

A: For solution refer below images.

Q: A 900 kg car cruising at a constant speed of 60 km/h is to accelerate to 100 km/h in 6 s. The…

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Q: How many J of energy must be removed when 187.0 g of steam, at a temperature of 182.0°C, is cooled…

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Q: soap bubble with a diameter of 2.12" is to be enlarged by blowing air into it. If the surface…

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Q: A soap bubble with a diameter of 2.28" is to be enlarged by blowing air into it. If the surface…

A:

Q: Q1/ A frictionless piston–cylinder device initially contains 200 L of saturated liquid…

A: Given: Initial volume (V)=200L or 200×10-3m3Pressure P=900kPaFinal Temperature T2=70°C

Q: A fluid enters a machine at 152.41 m/s, 838.17 kPa, and with a specific volume of 0.128 m3/kg. The…

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Q: What is the change in the internal energy, in Btu/lbm, of air as its temperature changes from 100 to…

A: Given: The initial temperature of the air is T1 = 100 °F. The final temperature of the air is T2 =…

Q: The air in a piston-cylinder device is expanded from the original volume of 1 m³ to 2 mở in a…

A:

Q: 1-m3 of saturated liquid water at 200°C is expanded isothermally in a closed system until its…

A: Volume of water = 1 m3 Temperature T1 =2000 c

Q: Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel.…

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Q: Determine the heat interaction when a gas does 12 kJ of work which cause the internal energy to…

A: GivenW=12 kJE=30 kJAskedq=?SolutionE=q+W

Q: A steam turbine is receiving 1014 lbm/hr of steam, determine the HP output of the turbine if the…

A: The power output of the turbine is the product of the mass rate of steam and work done by steam…

Q: 14.5 litres of gas at 172 MN/m2 is expanded at constant pressure until its volume becomes 130.5…

A: Given data: The initial volume of the gas is V1=14.5 litre=14.5×10-3 m3 The final volume of the gas…

Q: How much work, in kJ, can a spring whose spring constant is 3 kN/cm produce after it has been…

A: Given: The compression of the spring is x=3 cm. The spring constant is k=3 kN/cm.

Q: Four kilograms of saturated liquid water is maintained at a constant pressure of 600 kPa while heat…

A: Given: m = 4 kg x_1 = 0 P1 = 600 kPa P2 = P1 = 600 kPa T2 = 600 C     To find: Work done by the…

Q: A fluid enters a machine at 182.39 m/s, 804 kPa, and with a specific volume of 0.206 m3/kg. The…

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Q: Calculate the work done by a gas if it expands from volume 1m3 to 2m3 at constant atmospheric…

A: given data:-  inital volume = 1 m^3 final volume = 2 m^3 find the work done by a gas at atmospheric…

Q: Determine the work interaction when a gas absorbs 12 kJ of heat without a change in its absolute…

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Q: What is the difference between thermodynamic and mechanical work? Should they show equal values in…

A: Thermodynamic work are transient phenomena as it is the result of interface between the surrounding…

Q: . A 4-m x 5-m x 7-m room is heated by the radiator of a steam-heating system. The steam radiator…

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Q: Determine the work done in KJ in a piston which has a constant pressure of 25 psi. Its initial…

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Q: Consider an insulated system with piston and cylinder arrangement in which Nitrogen gas is present.…

A: It is given that the system is insulated. thus, dQ=0

Q: A piston cylinder contains 1lbm or R-134a. Initially the pressure inside the device is 300 psia and…

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Q: An adiabatic closed system is accelerated from 0 m/s to 30 m/s. Determine the specific energy change…

A: Given data: The initial velocity of the system, u = 0 m/s. The final velocity of the system, v = 30…

Q: Thermodynamic. Determine the work needed to compress from V1=30 lt to V2=5 lt a gas applying a…

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Q: An oil pump is drawing 44 kW of electric power while pumping oil with ρ = 860 kg/m3 at a rate of 0.1…

A: First, we calculate the mechanical power output…

Q: 0.018 m gas at a pressure of 3.070 Kpa expands to a pressure of 0.00207 bar according to the law…

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Q: When is a system a closed system, and when is it a control volume?

A: Closed system: A closed system is defined when a particular quantity of matter is under study. A…

Q: A rigid tank contains air at 500 kPa and 150°C. AS a result of heat transfer to the surroundings,…

A: Pressure P1 = 500 kpa Pressure P2 = 400 kpa Temperature T1 = 150 C Temperature T2 = 65 C

Q: to be enlarged by blowing air into it. If the surface tension of the soap solution is 0.0038 lbf/ft,…

A:

Q: Nitrogen at 100 psia and 300°F in a rigid container is cooled until its pressure is 50 psia.…

A: Find out the final temperature T2=T1P2P1=76050100R=380R

Q: 14. 14.5 liters of gas at 172 MN/m2 is expanded at constant pressure until its volume becomes 130.5…

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Q: 5. Steam expands quasi-statically and isothermally from 800 kPa and 200C to a final pressure of 200…

A: Given Data The Initial pressure is: Pi=800 kPa The temperature is: T=200°C The final pressure is:…

Q: A fluid enters a machine at 170 m/s, 800 kPa, and with a specific volume of 0.3 m3/kg. The radiation…

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Q: A 16-cm diameter copper ball is to be heated from 100°C to an average temperature of 150°C in 25…

A: Given Data D=16 cm Ti=100°C Tf=150°C C=0.395 kJ/kgK

Q: 1-122 A4-m-long section of an air heating system of a house passes through an unheated space in the…

A:

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.