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The drag on a 2-m-diameter satellite dish due to an 80 km/h wind is to be determined through wind tunnel testing on a geometrically similar 0.4-m-diameter model dish.
a. At what air speed should the model test be performed?
b. If the measured drag on the model was determined to be 170 N, what is the predicted drag on the full-scale prototype?
The schedule can be developed either by hand or using scheduling software (Microsoft Project, Primavera SureTrak, etc.), just as long as the Activity Data Sheet is completed. (Hint: Project and Suretrak will automatically create a network diagram ..
how to use the bisection method on the van der waals equation Problem 1 (15 Points) The van der Waals equation gives a relationship between the pressure P (in atm.), volume V (in L), and temperature T (in K) for a real gas
Choose two research papers in construction management area from best international journal in construction management-one quantitative and the other qualitative-from the construction management literature.
Methane is compressed in a piston-cylinder device from initial pressure of 110 kPa and an initial temperature of 25 oC to a final pressure of 1,00 MPa. The compression process is polytropic with n = 1 .10.
Consider two vortices of equal strength K = +1 located at (-2,) and (+2, 0). Estimate how far away the effect of the vortices is perceived to be that of an unique vortex. What would be the strength of that vortex?
Samples of 20 rivets for a steel structure are checked for quality every hour. The probability of finding a bad rivet that has to be scrapped is 1%.assume that x is the number of parts in the sample of 20 that have to be scrapped.
The tractor boom supports a uniform mass of 500 kg in the bucket which has a center of mass at G. Determine the force in each hydraulic cylinder AB and CD and the resultant force at pins E and F. The load is supported equally on each side of the trac..
A 12 m-long and 800 mm-diameter drilled pier is constructed in a clayey soil with a1.5 m-diameter bell at the base. The top 7 m of the clay has an average Cu of 40 Kpa and the clay underneath has a Cu of 90 Kpa
The two pulleys are riveted together to form a single rigid unit, and each of the two cables is securely wrapped around its respective pulley. If point A on the hoisting cable has a velocity v=0.9 m/s,
The 70-m microwave transmission tower is steadied by three guy cables as shown. Cable AB carries a tension of 12 kN. Express the corresponding force on point B as a vector
A dye mill has a highly coloured wastewater with a flow of 32 million L/day. One suggestion has been to use biological measn to treat the watewater and remove the colour, so a pilot study is performed.
If the energy loss in the contraction is equal to \(V_1^{2}/2g\) where V1 is the average velocity upstream of the contraction, what is the depth of flow in the constriction. A lined rectangular concrete drainage channel is 10m wide and carries a..
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