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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).
A motorcycle sprocket on the rear wheel has a diameter of 24 cm, and trhe driver sprocket has a diameter of 4.0 cm. The driver sprocket shaft and rear axle are 60 cm apart.
A w14X74 of A992 Steel has a length of 20 feet and fixed ends. Compute the design compressive strength for LRFD and the allowable compressive strength for ASD.
A 1400-ft-long sag vertical curve (equal tangent)has a PVC at station 115 + 00 and elevation 750 ft. The initial grade is -3.5% and the final grade is +6.5%. Determine the elevation and stationing of the low point, PVI, and PVT
water flows at a velocity of 25 ft/s at a depth in a rectangular channel 16 feet wide. Determine the downstream depth necessary to form a hydraulic jump, the head loss through the jump and the horsepower dissipated in the jump.
A traffic signal control is being designed for a four-leg intersection on a divided highway with the characteristics shown in the table below. Determine an appropriate length of the yellow interval for each approach and how you will provide it.
given: Vf=Vi + a t and Sf=Si + Vi t + 1/2 a t Cedar points millennium force accelerates from 10 mph to 93 mph in 4.5 seconds. assuming acceleration is constant, find acceleration in ft/sec^2 and distance traveled in meters
In that season, what are the hydraulic radius of the river, its mean velocity and volumetric discharge?
Assuming that the nozzle is well insulated and operating at steady state and that the air behaves as an ideal gas, calculate (a) the mass flow rate of air in kg/s, (b) the exit area of the nozzle in m^2,
An asphalt concrete mixture includes 94% aggregate by weight. The specific gravities of aggregate and asphalt are 2.65 and 1.0, respectively. If the bulk density of themix is 147 pcf, what is the percent voids in the total mix
A flume discharges 42.0 cfs on a slope of 0.50 ft in 1000 ft. The section is rectangular, and Manning's roughness coefficient is 0.012. Determine the best hydraulic section, i.e., the dimension for minimum wetted perimeter.
an electrical-generation utility sometimes pump liquid water into an elevated reservoir during periods of low electrical consumption. this water is used to generate electricity during periods when the demand for electricity exceeds the utilities a..
A hydrograph has a uniform rainfall intensity of 1.5 in/hr in the first hour, 2.0 in/hr in the second, and 0.75 in/hr in the third hour. Direct runoff (in inches) using the SCS method is 1.2in.
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