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Two factories are manufacturing and supplying a single type of good to four warehouses. The factories can produce a1, and a2 units of the good each month, and the warehouses need b1, b2, b3, and b4 units each month, The monthly total of goods available from the two factories exceeds the total of the monthly demands at the 4 warehouses. The cost of supplying one unit of the good from factory "i" to warehouse "j" is Cij. Note that the 2 factories have different factors of production. Their energy and labor costs are very different with one of the factories having much higher electricity rates and employee wages. The costs of production of one unit of the good at factories 1 and 2 and d1 and d2. Set up the problem and constraints; using the algebraic symbols. Do not solve it.
For almost all new coal plants, Clean Air Act emission standards limit emissions of sulfur dioxide (SO2) to 260 grams per million kJ of heat input (fuel value). They also restrict particulate emissions to 13 g/106 kJ.
The preliminary design for a wastewater treatment plant is being developed. The wastewater flow rate is 10,000 m3/day, and the BOD5 concentration is 200 mg/L. The plant discharge standard is 30 mg/L as BOD5.
A pump is to be used to draw seawater from the bay at an elevation of 0 to a reservoir at a desalination plant that has a water surface elevation of 255 feet. A 12-inch diameter DIP pipe (CHW = 120) which is 625 feet long connects the two bodies ..
What are the proceeds of this sale and if the note was sold at simple discounting conditions instead, at a simple discount rate of 17%, how much would the sellerleceive for the note?
An object has a mass of 46kg and weighs 450N on a spring scale. Determine the acceleration due to gravity at this location.
The mass m, stiffness k, and natural frequency fn of an undamped SDF system are unknown. These properties are to be determined by harmonic excitation tests. at an excitation frequency of 4 Hz, the response tends to increase without bound.
At a local engineering firm, a supervisor thinks about buying a new copy machine for $700 but only wants to keep it for 3 years. Using the DDB find the book value of the machine at the end of 2 years.
Determine the normal stress in a soccer ball if the internal pressure is 110 kPa, the outside diameter is 220mm and the wall thickness is 3mm .
Use the bisection method to find the root of the equation f(x) = x 2 - 4sin(x) = 0. For initial bracketing interval [a,b] , take a=1 and b = 3.
A horizontal curve is being designed around a pond with a tangent length of 1200 ft and central angle of 0.5211 radians. If the PI is at station 145 + 00, determine the station of PT.
A normally consolidated clay layer in the field has a thickness of 3.2 m with an average effective stress of 70 kN/m^2. A laboratory consolidation test on the clay gave the following results: Pressure (kN/m^2)=100, 200 Void Ratio=0.905, 0.815
A hospital waste containing 0.7µCi/L of 32P is to be disposed of. How long must the radioisotope be held to meet the allowable discharge activity
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