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1.A rectangular channel of width b is to carry water at flowrates from 30 ? Q ? 600 cfs. The water depth upstream of the hydraulic jump that occurs (if one does occur) is to remain 1.5 ft for all cases. Plot the power dissipated in the jump as a function of flowrate for channels of width
b = 10, 20, 30, and 40 ft.
2.The aerodynamic drag on a car is to be predicted at a speed of 60.0 mi/h at an air temperature of 25?C. Automotive engineers build a one-fourth scale model of the car to test in a wind tunnel. Determine the required air speed in the wind tunnel. If the aerodynamic drag on the model is measured as 36.5 lbf, estimate the drag at full-scale.
A flocculation/sedimentation combination basin in a conventional drinking water treatment plant is to be constructed of cast-in-place reinforced concrete. The horizontal flow rectangular basin will be located in New Jersey, USA
An aluminum rod (1) (E=80 GPa, d=24.5 x 10-6/oC) and a brass rod (2) (E=115 GPa, d=22.0 x 10-6/oC) are connected to rigid supports. The cross-sectional areas of rod (1) and (2) are 4,000 mm2 and 5,000 mm2
Water at a pressure of 13 atm, at street level, flows into a building at 3m/s through a 6 cm diameter pipe. The pipe tapers down to a 2 cm diameter by the top floor 50 m above. The density of water is 1,000 kg/m^3. Calculate the water pressure and ve..
At the instant when theta=35 degrees the orizontal guide is given a constant upward velocity v0=2 m/s. For the instant calculate the force N exerted by the fixed circular slot and the force P exerted by the horizontal slot on the 0.5 kg pin A.
the voltage for registering a bit of 1 on ethernet can be as low as 2.5 volts or event 1 volt.why is this so low when
An I-section beam 350*200mm2 has a web thickness of 12.5mm & a flange thickness of 25mm - Sketch the shear stress distribution across the section.
Ethylene diamine tetra-acetic acid (EDTA) is a water-soluble compound that readily combines with metals, such as calcium, magnesium, and iron. The molecular formula for EDTA is C10N2O8H16. Assume one EDTA molecule complexes (associates with) one m..
A 12%,$ 50,000 bond is offered for sale at $45,000. If bond interest is payable monthly and the bond matures in 20 years, what nominal and effective rates of return per year will the purchaser make on the investment
The upstream invert is at an elevation of 8ft and the downstream invert 4 ft. If the depth at the upstream end of the culvert is 8 ft, what is the flow through the culvert. Assume the culvert is in inlet control.
A steel scuba tank is 24 in. long and has an external diameter of 7.25 in. and an internal diameter of 6.7 5in. Say the tank is to carry a pressure of 3000psi . Determine the hoop stress in the tank wall. Determine the axial stress in the tank wall.
The design wind speed is 15 mph at T=10C and p=0.9 bar. The efficiency of the turbine is n=20% meaning that 20% of the kinetic energy in the wind can be extracted. estimate the power in watts that can be produced by the turbine.
The Purification of hydrogen gas by diffusion through apalladium sheet was discussed. compute the number of kilograms ofhydrogen that pass per hour through a 6-mm- thick sheet of palladium having an area of 0.25 m^2 at 600
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