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Charlie has a project for which he had determined a present worth of R56 740. He now has to calculate the IRR for the project, but unfortunately he has lost complete information about the cash flows. He knows only that the project has a five-year sendee life and a first cost of R180 000, that a set of equal cash flows occurred at the end of each year, and that the ALARR used was 10%. What is the IRR for this project?
air flows in a horizontal cylindrical duct of diameter d 100 mm. at a section a few meters from the entrance the
a one sixth scale model of an automaobile is to be tested in a wind tunnel at a speed corresponding to the prototype
two rods made of copper and steel are positioned between two rigid walls as shown. calculate the force in the rods if
Determine temperature at the end of the fin and determine temperature at the middle of the fin.
The average demand for January has been 90, and the average annual demand has been 1800. Calculate the seasonal index for January. If the company forecasts annual demand next year at 2000 units, what is the forecast for January next year?
A river flowing steadily at a rate of 240 m3/s is considered for hydroelectric power generation. It is determined that a dam can be built to collect water and release it from an elevation difference of 50 m to generate power. Determine how much po..
Five 5 horsepower, three-phase motors with NEMA code B are connected to a 240 volt line. The conductors are copper with type THWN insulation. What size conductor should be used to supply all of these motors?
the aluminum plate of thickness t 3.5 mm. is to be designed so the maximum stress remains below 100 mpa. the hole must
With the aid of Eq. (a) of Problem 7.13 derive the Rayleigh quotient for a circular membrane for axisymmetric deformation.
Execute the calculations descibed above, using Program 17.2 or some other program, for instance using Excel, and investigate the influence of the value of the parameter α, say α = 0.25 and α = 1.00. Determine the coefficient of consolidation, usin..
Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 K, 1 bar, with a volumetric flow rate of 0.25 m3/s, and exits at 325 K, 0.95 bar. The flow area is 0.04 m2. Assuming the ideal gas model with k 5 1.4 for the ..
a piston-cylinder device contains 1 kg of h2o. the water is at 800oc and a pressure of 20 mpa. heat transfer occurs
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