OBJECTIVE The main purpose of this experiment is:- i. To demonstrate the working principles of industrial heat exchangers ii. To investigate the efficiency of the heat exchanger in parallel and counter flow arrangements 1.0 INTRODUCTION A heat exchanger is equipment in which heat exchange takes place between 2 fluids that enter and exit at different temperatures. The main function of heat exchanger is to either remove heat from a hot fluid or to add heat to the cold fluid. The direction
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Units and tasks DAVID HILTON Unit 7 Management Accounting
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------------------------------------------------- ASSIGNMENT 1 1. A rigid tank with a volume of 1.8 m3 contains 15 kg of saturated liquid vapor mixture of water at 90oC. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized. Also‚ show the process on a T-v diagram with respect to saturation lines. (5 marks) 2. A 0.5 m3 vessel contains 10 kg of refrigerant-134a at -20oC. Determine (a) the pressure‚ (b) the total internal energy
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The net force F = ΔP.A that acts on the ball is from the high pressure area(surrounding) to the low pressure area(above the fan) which makes the ball return to its initial position. Recorded air velocity = 5.4 +/- 0.5 m/s. Air density = 1.3 kg/m3 Diameter= (5.040 +/- 0.005) ×10-2m [pic]=[pic] [pic]= [pic]=[pic]= 1.6×10-5 m2 Ball area= (7.980 +/- 0.016)[pic]m2 Ball mass = (3.30 +/- 0.05)[pic]kg [pic] Now F of air resistance equals the ball’s weight since it is just lifted above
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3. Given the following data: Job M1 M2 (processing times at machine 1 and 2) A 9 12 B 13 9 C 8 20 D 11 7 E 16 18 F 18 22 G 14 13 What is the minimum makespan? Answer: In order to find the minimum makespan for the two macines we can apply Johnson’sRule: Step 1: Look at the processing
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CHAPTER 1 CONVERSION FACTORS FOR CIVIL ENGINEERING PRACTICE Civil engineers throughout the world accept both the United States Customary System (USCS) and the System International (SI) units of measure for both applied and theoretical calculations. However‚ the SI units are much more widely used than those of the USCS. Hence‚ both the USCS and the SI units are presented for essentially every formula in this book. Thus‚ the user of the book can apply the formulas with confidence anywhere in
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296 9 acre 4‚047 6‚272‚640 43‚560 4‚840 hectare 10‚000 15‚500‚031 107‚639 11‚960 1.594 x 10 -7 6.452 x 10-8 2.296 x 10 -5 9.290 x 10-6 2.066 x 10-4 8.361 x 10-5 0.4047 2.471 5 (3) Volume multiply by cubic metre (m3) cubic inch (in3) 61‚024 m3 in3 1.639 x 10-5 6 cubic foot (ft3) cubic yard (yd3)
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depth before the jump is 1.0m. and downstream depth is 2m.‚ what is the discharge? Solution: The jet of a horizontal nozzle strikes a vertical plate with a force equal to 7000N. If the discharge flowing at the nozzle is 0.12 m3/s. Compute the diameter of the jet. Solution: A tank filled with water to a depth of 2.4m. is
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CE 371 HOMEWORK 2 1) Find the difference in pressure between tanks A and B if d1=300mm‚ d2=150mm‚ d3=460mm‚ d4=200 mm and S.GHG =13.6 w=9.80 kN/m3 2) Determine the elevation difference‚ h‚ between the water levels in the two open tanks shown in the figure. w=9.80 kN/m3 3) An air-filled‚ hemispherical shell is attached to the ocean floor at a depth of 10 m as shown in the figure. A mercury barometer located inside the shell reads 765 mm Hg‚ and a mercury U-tube manometer designed to give the
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Biotechnology Advances 20 (2003) 491 – 515 www.elsevier.com/locate/biotechadv Recovery of microalgal biomass and metabolites: process options and economics ´ ´ E. Molina Grimaa‚ E.-H. Belarbia‚ F.G. Acien Fernandeza‚ a b‚* A. Robles Medina ‚ Yusuf Chisti b ´ ´ Department of Chemical Engineering‚ University of Almerıa‚ E-04071 Almerıa‚ Spain Institute of Technology and Engineering PN456‚ Massey University‚ Private Bag 11 222‚ Palmerston North‚ New Zealand a Received 27 May 2002; received
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