be regarded as an ideal gas, has a temperature of 28 oC and a specific internal energy u of 2,514 kJ/kg. Determine the specific enthalpy of the air in the unit of kJ/kg. (the

Q: Air is contained in a vertical piston-cylinder assembly fitted with an electrical resistor. The…

A: Given:-         Assume air as a system then the energy balance is:

Q: Air is cooled during an isobaric process at 5.43 atm from an initial specific volume of 1.51 m³/kg…

A:

Q: t=280 degrees celsius and s=5.72 KJ/KG determine enthalpy and specific internal energy

A: To determine enthalpy and specific internal energy at T=280 degrees celsius and s=5.72 KJ/KG

Q: Air is cooled during an isobaric process at 6.97 atm from an initial specific volume of 1.02 m³/kg…

A:

Q: A tank is divided into two sections by a 1x1-m square gate that is hinged at A . A couple with a…

A: Write the given data in the problem Consider the following free body diagram for the given gate.

Q: Air is cooled during an isobaric process at 4.84 atm from an initial specific volume of 1 m³/kg to a…

A:

Q: What is the temperature of a system in thermal equilibrium with another system made up of water and…

A: A system is said to be anything under study. A surrounding is anything that is external to the…

Q: The fluid is heated from 125 degrees Fahrenheit to 225 degrees Fahrenheit. Consider an ideal gas…

A: Given data A fluid is heated from 125°F to 225°F, R = 85 ft-lbf/lbm-R CP = 0.35 + 0.000325T…

Q: Determine the mass of air in lbm when the pressure is 21.17 psi and the temperature is 93.6°F in a…

A:

Q: In a central air-conditioning system, 72 kg per hour of air at 15 degree celsius and 1.1 bar enters…

A: Given data: mass flow rate of air = 72 kg/hr = 0.02 kg/s Temperature of air = 15oC =15+273=288 K…

Q: Determine internal energy of steam if its enthalpy, pressure and specific  volumes are 2848 kJ/kg,…

A: Given data h=2848 kJ/kgP=12 MPav=0.017 m3/kg Here, h is the enthalpy, P is the pressure and v is the…

Q: Define pressure in a liquid at rest increases linearly with distance from the free surface.

A: Consider a small body submerged in water. Consider the cross-section area of body is dA. Assume a…

Q: Determine the internal energy of steam in BTU if the mass is 10 lbs, pressure is 645.43 kpa,…

A:

Q: gas is contained in a vertical, frictionless piston– cylinder device. The piston has a mass of 3.2…

A: Given   Atmospheric pressure, Patm = 95 kPa                                 Mass, m = 3.2 kg…

Q: A rigid tank contains 20 lbm of air at a pressure of 20 lbf/in2 and 70°F. More air is added to the…

A:

Q: wn gas has a mess of 1.5 kg and occupies 2.5 m while at a temperature of 300 K and a pressure of 200…

A: Given:m=1.5 kgV=2.5 m3T=300 KP=200 kPa

Q: 1m of saturated liquid water at 200°C is expanded until its quality is 80 percent and the pressure…

A:

Q: A polytropic process is carried out from an initial pressure of 110 kPa and volume of 5 m3 to a…

A:

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: A desktop computer is to be cooled by a fan whose flow rate is 0.40 m3/min. Determine the mass flow…

A: mass flow rate : mass flow rate = density * volumetric flow rate = density * Area * Velocity

Q: What is an open system?  A closed system?

A: It is the very basic question of thermodynamics. Topic is type of thermodynamic system

Q: The pressure gage on a 2.5-m³ oxygen tank reads 500 kPa. Determine the amount of oxygen in the tank…

A: Given  Volume of Tank (V) = 2.5 m3 gauge pressure (Pg) = 500 kPa atmospheric pressure (Pa) = 97 kPa…

Q: H.W: Determine the density, specific gravity, and mass of the air in a room whose dimensions are 4…

A:

Q: Steam, with a specific enthalpy of 2803 kJ/kg, is flowing through a pipe located 5 m above the…

A:

Q: -is a thermodynamic process during which the volume of the closed system undergoing such a process…

A:

Q: What is the relation between Bernoulli principle and industrial engineering?

A: In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs…

Q: Determine the internal energy of the steam in btu if the mass is 8 lb, pressure is 354.24 kpa,…

A:

Q: A 5-ft3 rigid tank contains a saturated mixture of refrigerant-134a at 50 psia. If the saturated…

A: Given: P=50 psia The properties are taken from the refrigerator table at 50 psia vf=0.01252 ft3/lbm…

Q: A desktop computer is to be cooled by a fan whose flow rate is 0.40 m3/min. Determine the mass flow…

A:

Q: How much work (in ft-lbf) is done when 10 ft3 of an air is initially at a pressure of 1 atm and a…

A: Given data,  V1= 10 ft3  P1= 1 atm  T=0°C  P2=6 atm

Q: fluid is heated from 125 degrees Fahrenheit to 225 degrees Fahrenheit. Consider an ideal gas with…

A:

Q: Steam at 500 kPa and a quality of 90 percent occupied a rigid vessel of volume 0.3m'. Calculate the…

A:

Q: The pressure of an automobile tire is measured to be 190 kPa (gage) before a trip and 215 kPa (gage)…

A: Given   Pressure, P1 = 190 kPa                 P2 = 215 kPa Temperature, T1 = 25oC Find Temperature…

Q: hot air is compressed polytropically so that the quantity pvn is constant. if 0.02m3 of air at…

A: Given Data  Atmospheric pressure, P1=101.3 KPA Gauge pressure, P2=405+101.3=506.3 Kpa Initial…

Q: The pressure gage on a 2.5-m3 oxygen tank reads 500 kPa. Determine the amount of oxygen in the tank…

A:

Q: Consider two identical 50-kg women, Candy and Wendy, who are doing identical things and eating…

A: The metabolizable energy content of 1Kg of body fat is 33,100 KJ The metabolizable energy content of…

Q: Saturated vapor at 60°C is put under pressure to decrease the volume by one percent during an…

A:

Q: The absolute pressure of an automobile tire is measured to be 320 kPa before a trip and 335 kPa…

A: Given Data: The initial pressure in the automobile is Pi = 320 kPa. The final pressure in the…

Q: A pure substance at 10 MPa and 500°C is having a specific enthalpy of 3200 kJ/kg and specific…

A: Given, Pressure = P = 10 MPa = 10,000 kPa Temperature = T = 500 oC Specific enthalpy = h = 3200…

Q: Consider two systems, one at a constant temperature t and the other at a constant temperature T (t >…

A: Energy flows between two systems because of difference of total energy head...

Q: Determine the specific volume, internal energy and enthalpy of compressed liquid at 120 °C and…

A: Compressed Liquid

Q: Air is cooled during an isobaric process at 2.83 atm from an initial specific volume of 1.96 m³/kg…

A:

Q: Q1. A piston cylinder contains an ideal gas. The gas expands isothermally. Which statement is true…

A: Given a piston cylinder contains an ideal gas Given process is isothermal Which means constant…

Q: Eighteen kilograms of methang gas is confined inside a closed cylinder equipped with a piston which…

A: The solution is provided below:

Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.