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The Hubert H. Humphrey Metrodome in Minneapolis opened in 1982 at a cost of $55 million. To prepare for the footings, et cetera, 3.00x105 cubic yards of dirt were removed. The Metrodome's inflatable roof covers 10.0 acres and its interior volume is 60.0x103 cubic feet. During construction, 40.0x103cubic yards of concrete, 11.9x103 tons of reinforcing steel, and 5.00x102 tons of structural steel were utilized. The roof material includes an outer layer of Teflon-coated glass and an inner layer of woven fiberglass. Given this information, answer the following:
If removed evenly over the 10.0 acres, how deep a hole would be formed as a result of the excavation?
If the two-layer fiberglass roofing material has a mass of 0.667 lbm/ft2, what is the total mass of the roof?
If 10.0 inches of wet snow collected on the roof (this happened in 1982), what is the added mass on the roof? (Assume 1 inch of water equals 10 inches of snow).
Determine the air pressure at the top of a 300 m high building by assuming the density of air stays constant at the z = 0 value. Now compute the pressure assuming the density of the air varies. Is there a significant difference.
A landfill is located 500 km from a river whose surface elevation is 40 m lower than the ground elevation at the landfill. After several years it is discovered that leachate from the landfill, with a COD of 1300 mg/L, is leaking into the river.
Determine the major and minor principal stresses at failure and the effective stress friction angle (assume c' = 0). Plot the Mohr diagram.
When working with flow through pipes , engineers typically have to determine if the flow is laminar or turbulent. Compute the Reynolds number for each of the cases below and determine if the flow is laminar or turbulent. Assume all of the conduits..
What would be the resistance on a level road. What horsepower must be delivered to the wheels on the grade? If the efficiency is 80%, what must be the rated horsepower of the motor.
A turbine operates at steady state with steam flowing through it at a rate of 36 kg/min. The steam enters the turbine at a temperature of 600C and a pressure of 8 MPa and exits at a pressure 90% lower with a quality of 70%.
A car traveling over a hill at constant speed starts to lose contact with the ground at O. If the radius of curvature of the hill is 85 m, determine the speed of the car at O.
what is the rate of evapouration of water from a reservoir with air temp at 20c and the surface of reservoir is 3000m2.
If you place $600 from your first paycheck into a Roth IRA earning 4.00 percent annual interest, how much will it be worth when you withdraw it in 40 years
What is the risk of constructing a harbor which will be unprotected from wave attack during its construction.
A circular concrete pipe (n = 0.012) carries a discharge of 450 cfs with a slope of 0.008 and is designed to run no more than 60% full (by depth). What diameter pipe would you recommend
The Hubert H. Humphrey Metrodome in Minneapolis opened in 1982 at a cost of $55 million. To prepare for the footings, et cetera, 3.00x105 cubic yards of dirt were removed. The Metrodome's inflatable roof covers 10.0 acres and its interior volume i..
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