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: 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: 1. A 7-meter-long steel pipe was installed by a man during a cold whether at 20°C. What would be the…

A:

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: 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: Example 2.1 : Calculate the rate of heat loss through a wall of k = 0.70 W/(m K)] 5 m in length, 4 m…

A: Above problem is based on conductio.Conduction is an mode of heat transfer which is define as the…

Q: A pipe (ID: 130 mm, OD: 165 mm, k=15 W/m²-K, Length: 2 meters)is insulated with several materials,…

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: If you are in an open place where the wind is blowing at 38 km/h and 12 °C, considering that at the…

A: Given Wind speed,U=38km/h T1=12 °C Skin temperature T2=28 °C Arm dimensions=122 cm long and 7600 mm…

Q: I understand that we have to use this formula Heat current=(k. Area. change in temperature)/length…

A: Firstly, the brass rod one end is in boiling water, which means this rod is hot. While the Copper…

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: A horizontal tube (inner and outside diameters are 2.0 cm and 2.5 cm respectively). is used as…

A: Given, 1Uinner=0.005 (m2–K)/W 1Uoutside=0.008 (m2–K)/W  1Uoverall=1Uinner+1Uoutside…

Q: A pipe (ID: 130 mm, OD: 165 mm, k=15 W/m²-K, Length: 2 meters)is insulated with several materials,…

A: Given Pipe Di=130mm D0=165mm K=15 W/(m2K) L=2m Inside fluid –Oil temperature T1=118℃ Insulation is…

Q: 8. For polytropic process the heat and work can not cross the boundary of the system * False True

A: Given, Concept of Polytropic Process Find,  For polytropic process the heat and work cannot cross…

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: Temperature difference is not the driving force for heat transfer. O yes O No

A: heat transfer is the change in thermal energy by difference in temperature of two body let say…

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: Q.2 An Aluminum plate of area 500cm2 is heated up for 5 seconds and its temperature increases from…

A: Area of Aluminium Plate=500cm2=0.05m2 Thickness=2cm=0.02m Mass of Aluminium plate=3.46kg Time up to…

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: 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: pars), calculate the

A: Given data: mole% of water in overhead stream=8.5 mole%Pressure; P=34.7 psia=2.36 bars

Q: A radiant-heating system is installed in the plaster ceiling of a room 36 ft long by 18 ft wide by 9…

A: Given dimension of ceiling room is 36ft long, 18 ft wide and 9ft high. Temperature of concrete floor…

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: (2) Calculate the Fanning Friction Factor (f) using the formula: = 2.5 In Re, +1.75 8

A: Given, Equation for fanning friction factor is 1f = 2.5lnRef8+1.75    .....1   Here, Reynolds…

Q: Record the T1 and T2 values. How much energy is required to heat 65.0 g ice to from 0 Celsius to 79…

A: Mass (m) = 65 gm T1 = 0 C = 273 K T2 = 79 C = 352 K.  specific heat capacity = 4.184 J/g.C To find :…

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:

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.