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Suppose you are planning to use single sourcing and have narrowed down the choices to four suppliers A, B, C, and D. Your criteria for selection are price (min), company size in market capitalization in millions of dollars (max), and quality in a scale of 1-100 (max). The relevant data is given in the following:
(a) Scale the data using the ideal value method.
(b) Use the L∞ metric method to rank the four suppliers.
A pile resists the tension developed by three stay cables for a major for a tent (membrane) structure. Assuming no bending is desired in the pile (no resultant horizontal componenet),
A 1.0-in-diameter hole is drilled on the centerline of a long, flat steel bar that is 1/2" thick and 4" wide. The bar is subjected to a tensile load of 30,000 lb. Calculate the average stress in the plane of the reduced cross section and the maxium t..
A rectangular copper specimen (Table 1--> E=120GPa) is loaded in tension of 300MPa and then the load is removed. The total plastic strain in the unloaded specimen is e=0.25.
Find the first five nonzero Fourier coefficients of the shifted and offset square wave in Figure P13-9. Use your results to write an expression in the corresponding Fourier series.
Water flows through 800 feet of 12-inch diameter iron pipe (g = 0.0018 inches) between 2 open storage tanks, whose water surface elevation difference is 16 feet. The pipe entrance is flush and square edged
A solid steel bar of diameter 30 mm is enclosed by a steel tube of outer diameter 45 mm and inner diameter 36 mm. Both bar and tube are held rigidly at end A and joined securely to a rigid plate at end B. The composite bar, which is 500 mm long, is t..
In an undisturbed soil formation, it is known that the dry soil weight is 115pcf. The specific gravity of the soil particle is 2.75.a) What is the saturation wet unit weight of the soil b) What is the submerged weight of the soil
A rectangular channel carries discharge of 10 m^2/s per unit width, with a sluice gate. Calculate the flow depth y3, if a hydraulic jump forms downstream of the sluice gate when y1 = 20 m.
An oil storage area abandoned 19 yrs ago had oil spilled on the ground and saturated the soil at a concentration of 400mg/kg of soil. A recent soil sample shows a concentration of 20mg/kg.
What percent increase in shear force would be experience on the flat sides of a 40 ft long truck trailer as the truck speed increases from 65 mph to 75 mph. Kinematic viscosity of the air is 1.6x10^4 ft^2/s.
A body slides down a frictionless plane and during the third second after starting from rest if it travels 20.4m. What is the angle of inclination of the plane?
An air-filled rubber ball has a diameter of 6 in. If the air pressure within it is increased until the ball's diameter becomes 7 in., determine the average normal strain in rubber.
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