For the cash flows shown, determine the incremental cash flow between machines B and A (a) in year 0, (b) in year 3, and (c) in year

What will be an ideal response?


(a) Incremental CF, year 0: -25,000 – (-15,000) = $-10,000
(b) Incremental CF, year 3: -400 - (-1600 – 15,000 + 3000) = $+13,200
(c) Incremental CF, year 6: (-400 + 6000) – (-1600 + 3000) = $+4200

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PROBLEM 2.23 Members AB and BE of the truss shown consist of 25-mm-diameter steel rods (E = 200 GPa). For the loading shown, determine the elongation of (a) rod AB, (b) rod BE.

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Temperature, quantity, and cleanliness are three important factors that should be addressed when referring to water quality.

Answer the following statement true (T) or false (F)

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When ____ are applied to a circuit, be sure that the power is turned off.

a. voltmeters b. amperemeters c. wattmeters d. ohmmeters

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An Al?5% Cu ingot unidirectionally solidified under the conditions of no diffusion in the solid, complete diffusion in the liquid, and local equilibrium at the interface, so that the Scheil equation applies.

(a) Calculate the composition the the liquid when the ingot is 50 percent solid. What is the average composition of the solid? (b) What is the interface temperature at this point? (c) How much eutectic and second phase ? will have formed when the ingot is completely solidified? (d) Plot the composition profile in the solidified ingot.

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