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Consider the production planning problem discussed. Assume now that "backorders" are allowed, that is, if we do not have sufficient stock, we can backorder so that the order can be supplied in a later week. However, this incurs a backorder penalty cost of $4 per unit per week. Reformulate this problem as an LP model assuming that all backorders must be filled by the end of the 4th week. It is sufficient you define all the variables, write out the constraints and the objective function.
What roles should technical experts like water engineers play in public policy decision-making issues, such as water demand management, water reuse and associate water quality issues
The station and elevation of the PVI is 8+17.36 and 76.85 ft. Assume that there will be stakes placed at the PVI, BVC, and EVC, the low (or high) point, and at all the 100-ft stations.
Suppose you are to investigate an accident in which a 1300 kg car A struck a parked 1200 kg car B. All four of B’s wheels were locked and skid marks indicate that B slid 2 m after impact.
A sewer pipe must be laid from a starting invert elevation of 650.73 ft at station 9 + 25 to an ending invert elevation of 653.81 ft at station 12 + 75. Determine the uniform grade needed, and calculate invert elevations at each 50-ft station.
Calculate the throat and exit areas for a mass flow rate of 0.25 kg/s, assuming the nozzle is isentropic. Why must this nozzle be converging- diverging?
Is the sonic velocity in a specified medium a fixed quantity,
A truss is shown in the figure below. Calculate the horizontal deflection of joint D produced by both the load and fabrication error
A fitness club in Virginia is planning a building addition for an indoor pool. An architact has recomeded using ACQ pressure treated Eastern white pine No. 1 joists hung from glulam beams with galvanived fasteners/connectors
he top of the soil is level with the top of the wall, and the soil carries a uniformly distributed load of 500 psf. Calculate the total active earth force of the wall per linear foot and determine its point of application
Establish the location of the neutral axis (the horizontal centroidal axis) of the cross section. Draw shear and moment diagrams.
Using pie method, derive an expression for the velocity of a jet of viscous liquid issuing from an ori ce under static head if this velocity depends only on head, ori ce diameter, acceleration due to gravity, viscosity and density of fluid.
A company near City X want's to know how much benzene they can release into River Y. City Z is 85.5 miles downstream from City X. City Z doesn't want to have Benzene levels higher than 0.0000015 g/L.
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