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Tham khảo tài liệu 'design and optimization of thermal systems episode 2 part 9', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 422 Design and Optimization of Thermal Systems Dieter G.E. 2000 Engineering Design 3rd ed. McGraw-Hill New York. Newnan D.G. Eschenbach T.G. and Lavelle J.P. 2004 Engineering Economic Analysis 9th ed. Oxford University Press Oxford U.K. Park C.S. 2004 Fundamentals of Engineering Economics Prentice-Hall Upper Saddle River NJ. Riggs J.L. and West T. 1986 Engineering Economics 3rd ed. McGraw-Hill New York. Stoecker W.F. 1989 Design of Thermal Systems 3rd ed. McGraw-Hill New York. Sullivan W.G. Wicks E.M. and Luxhoj J. 2005 Engineering Economy 13th ed. Prentice-Hall Upper Saddle River NJ. Thuesen G.J. and Fabrycky W.J. 1993 Engineering Economy 8th ed. Prentice-Hall Englewood Cliffs NJ. White J.A. Agee M.H. and Case K.E. 2001 Principles of Engineering Economic Analysis 4th ed. Wiley New York. PROBLEMS 6.1. A steel plant has a hot-rolling facility for steel sheets that is to be sold to a smaller company at 15 000 after 10 years. What is the present worth of this salvage price if the interest is 8 compounded annually Also calculate the present worth for an interest rate of 12 with annual compounding. Will the present worth be larger or smaller if the compounding frequency was increased to monthly Explain the observed behavior. 6.2. A chemical company wants to replace its hot water heating and storage system. One buyer offers 10 000 for the old system payable immediately on delivery. Another buyer offers 15 000 which is to be paid five years after delivery of the old system. If the current interest rate is 10 compounded monthly which offer is better financially 6.3. A company wants to put aside 150 000 to meet its expenditure on repair and maintenance of equipment. Considering yearly quarterly monthly and daily compounding determine the total annual interest the company will get in these cases if the nominal interest rate is 7.5 . 6.4. For nominal interest rates of 8 and 12 calculate the effective interest rates for yearly quarterly monthly daily and continuous .
