A closed rigid container has a volume 1m3 and holds air at 345 kPa and 20 °C. Heat is added until the temperature is 327 °C. Determine the change in internal energy. R = 287 J / kg k a/ using an average value of specific heat %3D b/ considering the variation of specific heat with temperature. Take AU = m Au

Q: Calculate the density of oxygen gas at a temperature of 57 C and a pressure of 5 MPa.

A: Density of oxygen at 570C and 5 MPa is asked

Q: In distillation of kerosene, a steel pipeline (k = 47 W/m.°C) with inside surface temperature of…

A: Given that, The inside surface temperature of steel pipe T1 = 250oC  Inside diameter D1 = 8 cm =…

Q: A rectangular steel (k = 58.7 W/mK) fin 25 mm thick and 150 mm long is attached to a wall that is at…

A: Given: Thermal conductivity of steel, k = 58.7 W/m.K Thickness of fin, w = 25 mm ⇒0.025 m Length of…

Q: 3. A long hollow cylinder has inner and outer radii R, and R2, respectively. The temperature of the…

A: Given details, For Hollow Cylinder of  Inner radius=R1 at Temperature T1 Outer radius=R2 at…

Q: Nitrogen gas has a heat capacity of 20.8 and 29.1 J/mol-C at constant volume and constant pressure…

A: Given Data: Specific heat capacity of N2 at constant Volume;Cv=20.8 J/mol °CSpecific heat capacity…

Q: Athin isothermal disk, having a diameter of 1.8 cm, is maintained at 40◦C and buried in a…

A: Given  thermal conductivity k= 0.8 W/m· ◦C  diameter of disk is D = 1.8 cm  radius = 0.9 cm = 0.009…

Q: temperature. * O True O False Nan

A: The above question is the question of the heat exchanger. There are many reasons that decrease the…

Q: A metallic solid cylinder has a diameter of 11 cm and initial temperature of 300oC. The cylinder is…

A: Given, d= 11cm = 0.11m, r = 0.055m Ti = 300oC Tx = 50oC h = 1200W/m2oC Q = 4.9*106 J/m k = 204W/moC,…

Q: A certain material has a thickness of 4 cm and its thermal conductivity is 0.04 W / m.oC. At a…

A: The heat flow rate at the given distances from the material is to be calculated.

Q: 5.3-6. Unsteady-State Conduction in a Brick Wall. A flat brick wall 1.0 ft thick is the lining on…

A: To solve this problem, we can use the following equation for unsteady-state conduction in a…

Q: 1000 lb / hr of oil at 100 ° F flows in a pipe having an ID inch. This oil will rise in temperature…

A: The mass flow rate of oil, moil = 1000 lb/h Initial temperature of oil, Toil,i = 100ºF Inside…

Q: A metallic solid cylinder has a diameter of 11 cm and initial temperature of 300oC. The cylinder is…

A:

Q: Answer the question below: Experiment 1: Calibration of a Calorimeter Results Time (in minutes)…

A: Before HeatingTime minutes Temperature (C)024.50.524.61.024.71.524.82.024.92.524.93.025.0Heater…

Q: The compression ratio of an air-standard dual cycle is 12, and the pressure at the beginning of…

A:

Q: A spherical object at 10 °C was taken into a bath at 60 °C. The core temperature-time values ​​of…

A: Answer: Initial temperature of the spherical object, T0 = 10°C = 283 K Bath temperature, T∞ = 60°C =…

Q: 5. . . ) In a manufacturing process, a long, coated plastic rod (p = 2200 kg/m³, c = 800 J/kg K, k…

A: The time it take to the surface of the rod to reach 175o C, the temperature above which the special…

Q: Water available at 24 C is heated by a heating element having 30 mm outside diameter and 0.4 m…

A: Cp=4180J/kg.∘C k=0.64W/m∘C density(r)=988kg/m3 μ=0.55×10-3N-S/m2 Ts=80∘C length=0.4m do=30mm=0.03m…

Q: is flowing at a rate of 15 kg/s. For this type of flow, the Nusselt number is given by the following…

A: Given data: Mass flow rate of fluid = 15 kg/s Density of the fluid = 881 kg/m3 Viscosity =…

Q: Calculate AS when two iron blocks, each of mass 1.00 kg, one at 200 K and the other at 25 K, are…

A: Mass of each block = 1.00 Kg Temperature of one block = 200 K temperature of other block = 25 K…

Q: The temperature on one side of a 6-in. thick solid wall is 200°F and the temperature on the other…

A: Given that, Thickness of the solid wall x = 6 in × 1 ft12 in = 0.5 ft Temperature on one side of the…

Q: Polymer laminates are formed by “squeezing” two flat sheets of polymer together under high pressure.…

A: To derive an expression for the temperature as a function of time and position in the two polymer…

Q: The gas at an average temperature of 180 oC is transported through a steel (steel-46 W/m2.K) pipe…

A: Heat transfer takes place from a steel pipe through conduction and convection.

Q: True or False

A: Ans 1- True  2-  False ( because cooling and chilling rate are governed by any of form it can be…

Q: Q2/ Air at atmospheric pressure and 27 °C is blown across a long 4.0 cm diameter tube at a velocity…

A:

Q: Problem 2. In cement production the intermediate product which leaves the cement kiln is called…

A: Given that T∞=25 CTi=300 Ch =200 wm2kk=2 wmkTf =50 C

Q: A glass container with an insulating cover with a surface area of (R + 160) cm2 and (R+11) mm thick…

A: Heat transfer is a process by which thermal energy is transferred from a high temperature body to…

Q: A piston-cylinder assembly has 1 kg of air at 700 kPa and 400C. The piston cross-sectional area is…

A: This problem is based on the concept of ideal gas law. The data given : Initial temperature ,T1 =…

Q: The following physical properties for carcass cooling: p = 1073 kg / m3, cp = 2.48 kJ / kg ° K and k…

A: Given: Physical properties of the carcass: Density, ρ = 1073 kg/m3 Specific heat capacity, Cp = 2.48…

Q: A large plate of aluminum alloy 2024-t6 5.0 cm thick at a temperature of 250°C is exposed to a…

A: The characteristic length is obtained from the ratio of volume and area. The length is obtained in…

Q: A saucepan 30 cm in diameter is placed on the stove. The pot is made of stainless plate (k = 15 W /…

A: Given: diameter of saucepan d = 0.3 m          Area = A = π4×d2= π4×0.32                       A =…

Q: Consider that an iron is forgotten to be open throughout two days while its surface temperature is…

A: As given heat transfer is taking from iron to air ,it is a convection mode of heat transfer.…

Q: Consider how the Beer Heater impacts multiple aspects of distillation columns used in the bourbon…

A: The Beer Heater is a device used in distillation columns to heat the mash and facilitate the…

Q: Calculate the heat transfer rate per unit area of ​​a concrete wall with a thickness of 400 mm at a…

A:

Q: For ideal gases, which statement is correct? O a. The specific enthalpy change due to temprature…

A:

Q: 1-102 A 1.4-m-long, 0.2-cm-diameter electrical wire extends across a room that is maintained at…

A: Given  1.4 m long and 0 2 cm Diameter electric wire Room temperature  = 20oC Surface temperature of…

Q: Material Density Specific Latent Heat Latent Heat Thermal of Fusion, of Нeat kgK. Conductivity W…

A: Considered a heater blanket of 2000 W having a negligible thickness and the heat is the transfer…

Q: A copper wire is stretched with a stress of 80 MPa at 20°C. If the length is held constant, to what…

A: Given data: Stress at 20 0C = 80 MPa αl for copper = 17×10-6 0C-1 Modulus of elasticity = 110 GPa

Q: 3. Hot water with a temperature of 330 K is flowing through a pipe. Heat loss per unit pipe length…

A:

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.