want correct answer only A firm is considering replacement of machine, the maintenance cost and resale value per year of themachine whose purchase price is Rs. 7000 is given below. When should the machine be replaced?Years26.8.Maintenance cost in Rs.90012001600 22100 2800 3700 4700 5900Resale value in Rs.4000 20001200600500400400400

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Answered: A firm is considering replacement of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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1.) A.) A cutting operation is performed on a piece of metal. The rake angle of the tool, α, is eight degrees. The tool penetrates the work to a depth of 8mm. The chips generated from this cut are 20mm thick. Calculate the shear plane angle, Φ, in the orthogonal model for this operation. Give your answer in degrees B.) For the same cutting operation, the cutting and thrust forces are measured. The cutting force is measured as 1600N, and the thrust force is measured as 1300N. The width of the cut is 4mm. What is the shear stress applied by the tool? Give your answer in MPa.
Given data

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A firm is considering replacement of machine, the maintenance cost and resale value per year of the machine whose purchase price is Rs. 7000 is given below. When should the machine be replaced?