Each of three identical bodies satisfies the equation U = CT, where C is the heat capacity of each of the bodies (Arrangement is shown in fig below). Their initial temperature are 200K, 250K and 540K. if C = 8.4 kJ/K, what is the maximum amount of work that can be extracted in a process in which these bodies are brought to a final common temperature?

Q: Q4) Write the relation between melting point temperature of ice with pressure? At 1 Atm, water melts…

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Q: Problem 2 Carbon tetrachloride (p = 1590 kg/m³, n = 0.969-10° Pa-s) flows at a rate of 18 m/h in an…

A: To find the type of flow through the tubes.

Q: Ice with a mass of kg 0.35 and at a temperature of C 0 is heated until all is melted. Find the…

A: Given  Mass of ice (m) = 0.35 kg Latent heat of ice( Lf) 334×103 J/kg Temperature of ice = 0 oC…

Q: One hundred kilograms per second of a hydrocarbon are heated from 20°C to 40°C through the tubes of…

A: Given that  mass flow rate ,mT = 100 kg/s T1 = 20 C T2= 40 C  Crude oil flow is divided evenly among…

Q: 4 Find the heat transfer per unit area through the comp Assume one-dimensional heat flow.

A:

Q: 4- Consider a wall (20x40) cm [k=12 w/m °C is heated by convection on one side and cooled by…

A: Given, The area of the wall, A = 20 cm×40 cm = 800 cm2×1 m210000 cm2 = 0.08 m2   The heat transfer…

Q: There is a 4" O.D. vertical pipe made of 316 stainless steel. Calculate the heat flux (q/A) per unit…

A: Heat flux for radiation and free convection it be calculated.

Q: 1. A heat engine with a thermal efficiency of 45 percent rejects 500 kJ/kg of heat. How much heat…

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Q: ou oversee cooking a 30-lb turkey that is initially at 20 ̊C by exposing it to the 200 ̊C…

A: Step 1:Step 2:Step 3:Step 4:

Q: Steady-state temperatures at selected nodal points of the symmetrical section of a flow channel are…

A: Given, The convection coefficient, hi= 500 W/m2.K ho= 250 W/m2.K

Q: what will happen to the work and heat of the system, will it be >0,

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Q: Find L for the composite wall in Figure below if the heat transfer per unit area = 11380 W where…

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Q: 2) A 0.68 m³ rigid tank contains refrigerant-134a initially at 100 kPa and 40 percent quality. Heat…

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Q: Argon gas in an insulated plasma deposition chamber with a volume of 2 L is to be heated by an…

A: Volume = V = 2 L= 0.002 m3, P = 1.5 Pa T = 300 K, We know that, R = ldeal gas constant = 8.314…

Q: In a 2-shell and 16-tube passes heat exchanger, water (Cp = 4180 J/kg·°C) is used to cool hot oil…

A: Given data: For water: Cp=4180 J/kgoC Ti=25oC m=2kg/s For oil: Cp=2100J/kgoC Ti=180oC m=2.5kg/s…

Q: Convert the following temperature. a. T=-40⁰F to ˚R, K, ˚C b. ∆T=-40⁰F to ˚R, K, ˚C

A:

Q: Methane is heated in a steady-flow process at approximately atmospheric pressure. 1000 kJ of heat is…

A:

Q: 4- Consider a wall (20x40) cm [k=12 w/m °C is heated by convection on one side and cooled by…

A:

Q: a. Compute the Jakob number, Ja = 2,A b. The effective latent heat, li h(1+0.68Ja) (kJ/kg) c. The…

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Q: Find the two-dimensional temperature distribution T(tz) under steady state condition. Where, To-20…

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Q: 1. A cylindrical nuclear fuel element (k=34 W/m-K) has the following dimensions: D= 6 cm and L=40…

A: Given: Thermal conductivity of cylindrical nuclear fuel element (k) = 30 W/m-K Diameter (D)= 6…

Q: A 0.42 mở rigid tank contains refrigerant-134a initially at 160 kPa and 40 percent quality. Heat is…

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Q: A spherical tank of outer diameter Do = 1.5 m fabricated with t= 9.5 mm thick aluminum (kal = %3D…

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Q: (2.11) A graphite heat exchanger is constructed by drilling circular channels in a solid block of…

A:

Q: A shell and tube heat exchanger with one shell pass and two tube passes is to be designed to meet…

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

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Q: W 4540 W/m²K. The fuel material has k= 33.9 W/m K. For the situation described, evaluate the…

A:

Q: In a parallel flow heat exchanger, with a cooler at 40 OC at a flow of 2 kg / h, hot water at 1 kg /…

A: Given: Cold Water: Cp = 4182 J/kg.K Tc1 = 40 oC Tc2 =? mc = 2 kg/s Hot water: Cp = 4182 J/kg.K TH1 =…

Q: 02: How much thermal energy must be supplied by an electric immersion heater if you wish to raise…

A:

Q: You oversee cooking a 30-lb turkey that is initially at 20 ̊C by exposing it to the 200 ̊C…

A: Setting Up the Model and Calculations ( b, c) b) Time to Cook (Center Reaches 90°C)We use FindRoot…

Q: 8 Steel balls 12 mm in diameter are annealed by heating to 1150 K and then slowly cooling to 400 K…

A:

Q: 4. Two coaxial cylinders, r: = 3.5 cm, r2 = 8 cm, of equal length (3.5 m) are placed inside a very…

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Q: A water pipe is buried 0.40 m below ground in wet soil (a=7.85 x10-7 m2/s and k=2.6 W/m.K). The soil…

A:

Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.