Engineering, 02.04.2021 20:20, Gheaton6274
Terry, an engineering technology graduate who is very entrepreneurial, wants to start an excavation and foundation business in Orlando by investing his own savings to fund part of the start-up. A primary decision is the size of a used dump truck to purchase. He knows that as the bed size increases, the net income increases, but he is uncertain whether the incremental expenditures for the larger sizes are justified. The estimated cash flows are listed below; all trucks have a 5-year useful life. Terry expects a return of at least 18% per year on this investment.
a. Determine which size truck he should purchase.
b. If two trucks are to be pur-chased, select the size of the second truck.
c. Make both selections using a spreadsheet.
Answers: 1
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Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
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An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
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Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
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Terry, an engineering technology graduate who is very entrepreneurial, wants to start an excavation...
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