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In an irrigation system sometimes water must be pumped over long distances. Consider a system that consistes of a 1 m diameter, 2 km long commercial steel pipe, which connects a river to an irrigation canal.
a) Neglecting minor losses, determine the pumping power required (in kW) to produce 2.5 m^3/s of water.
b) What would the pumping power be if the canal's e;evation is 50 m higher than that of the river? Use water properties at 15(degrees)C
The driver of a car traveling up a 2% grade at an initial speed Vo applied the brakes abruptly and the vehicles slid to a complete stop at an average deceleration of 8 ft/s^2. Was the pavement wet or dry
Calculate the metric tons of gravel required to fill an excavated area 70 meters by 50 meters by 2 meters deep if the gravel has a density of 1890 kg/(m^3).
A membrane biological treatment plant effluent must be disinfected to what level prior for use as unrestricted recycled water. For a flow of 4 mgd and peak flow of 6 mgd, how many lamps are required
A piston-cylinder assembly containing 1/4 kg of a gas undergoes a constant pressure process at 5 bar beginning with a specific volume of 20 m^3/kg. for the gas in the system the work is -15 kj. determine the final volume of the gas in m^3
Indoor Air quality is greatly affected by Radon, which can cause lung cancer. When we moved to Colorado, we tested the house for Radon and installed a radon mitigation system.
An irrigation channel is constructed of earth and is 8.1km long and has a capacity of 10 m^3/s for a flow depth of 2m. The cross section is trapezoidal with a bid width of 8 m and side slopes of 2 horizontal to 1 vertical.
The cash flow associated with landscaping and maintaining a certain monument in Washington, D.C., is $100,000 now and $50,000 every 5 years forever. Determine its perpetual equivalent annual worth (in years 1 through infinity)
if a person and a wheelchair weigh 185 lbs how much effort force is required to travel up a ramp whose slope of 24.08 ft.
The rigid bar of negligible weight is supported as shown. Find the stress in each rod if the temperature rises DeltaT after a load P is applied. Use the following data: area of steal rod 320mm2, bronze rod 1300mm2, thermal expansion coefficient Al..
Design a riveted end plated Connection between a beam ISHB-300 and the flange of the Column ISHB-200 to transfer a vertical factored shear of 125 kN and a factored hogging bending moment of 125kNm.Use Shop rivets of 20mm dia.
How does aggregate size influence the coefficient of permeability of concrete? List other factors that determine the permeability of concrete in a structure.
Online professor's response to: Probability problems, A very rich investor has a small amount of spare cash which she wishes to invest. She has four options to choose from.
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