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Wheeling-Pittsburg steel is investigating whether it should replace some of its basic oxygen furnace equipment now or wait to do it later. The cost later (3 years from now) is estimated to be 1,700,000. How much can the company afford to spend now, if its minimum attractive rate of return is 1.5% per month?
a lagoon is 20 ft by 80 ft with a depth of 5.5 ft .Wastewater from households flow into the lagoon at 260 gal/day .How many days would it take to fill the lagoon
A two thousand gallon tank has two influent streams. Influent one has a flow of 20 GPH and a salt concentration of 100 mM; influent two has a glow of 15 GPH and a salt concentration of 200 mM. What is the steady-state concentration of salt in the ..
Draw the S.F.D and B.M.D for the beam as a single unit and determine the position and amount of hte maximum bending unit. 5kN 30kN 5kN A B C D E 2m width 2.5m width 2.5m width 2m width 20kN 20kN
a round steel rod, 25 mm in diameter, subjected to a bending moment of 160 Nxm. calculate the maximum bending stress.
A log that is 2 ft in diameter is to be cut into a rectangular section for use as a simply supported beam. The material is wood select structural grade (Douglas Fir) with a specific gravity of 0.017 lb/in3.
A rod consisting of two cylindrical portions AB and BC is restrained at both ends. Portion AB is made of steel (E=29x10^6 psi, α=6.5x10^-6) and portion BC is made of aluminum (E=6.5x10^-6 psi, α=13.3x10^-6).
A man having a weight of 167lbattempts to hold himself using one of the two methods. Determine the total force he must exert on bar AB in each case and the normal reaction he exerts on the platform at C.
the turbopump unit in the engine nominally operates at 7000 rpm, and a result of design issue, the actual thrust provided by the engine oscillates harmonically with an amplitude of 10 KN at the same rotational frequency as the turbopump unit.
A car moves around a curved path that has a radius of 375 feet. While moving around the arced path, the car increases speed by 1.15 ft/s^2. If the car starts from rest, determine the time needed to reach an acceleration of 5.5 ft/s^2.
Write a VBA function that receives a variable name plus four known values and then solves the ideal gas equation for a specified variable.
Axis of the hole is perpendicular to VP. Draw elevation, plan and development of the lateral surfaces of the pyramid.
Design the roof slab as a one-way slab system and use the worst case design scenario to determine the reinforcing for the entire roof
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