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A trapezoidal channel lined with d50 = 10 cm has a bottom width of b = 1.2 m, side slopes of m = 3, and a longitudinal bottom slope of S0 = 0.008. Determine the normal depth and the Froude number for Q = 1.4 m3/s.
Assume the components act independently and that they are equivalent in the sense that all 3 of them have an 85% success rate. Consider the random variable X as the number of components out of 3 that fail.
Laboratories containing dangerous materials are often kept at a pressure slightly less than ambient pressure so that contaminants can be discharged through an exhaust system rather than leaked through cracks and around doors to other parts of the ..
Determine the required pumping rate. the aquifer has T= 1600 m2/day and the wells each have radius of influence of 600m.
The routes are currently in user equilibrium. A reconstruction project on route 1 reduces capacity to 3.0 kvph, but total travel demand is unaffected. Field studies note a 35.28 sec increase in average travel time
The temperature was 200C, and the void ratio (e) of the soil was 0.43. Calculate the "Coefficient of Permeability" in "centimeters per second" (Given, k = (QL)÷(A Δh t)).
on a specific westbound section of highway studies show that the speed-density relationship is u= uf [1-(k/kf)^3.5] It is known that the capacity is 4200 veh/h and the jam density is 210 veh/mi.
The volume flow rate of streams into the pipe is given by QA = 0.02t m 3 /s and that of stream B by QB = 0.008t 2 m 3 /s, where t is in seconds. The exit area of the pipe is 0.01m 2 . Find velocity and acceleration of the flow at exit at t = 1s.
The stream hts a stationary splitter, such that half of the flow is diverted upward at 45o. and the other half is directed downward, and both streams have a final speed of 18ft/s.
A normally consolidated clay layer in the field has a thickness of 3.2 m with an average effective stress of 70 kN/m^2. A laboratory consolidation test on the clay gave the following results: Pressure (kN/m^2)=100, 200 Void Ratio=0.905, 0.815
Develop a simple urban constructed wetland design.
Plot the distribution of vertical effective stress and porewater pressure with depth if the void ratio of the sand is 0.6 and the degree of saturation is 90%. Neglect pore air pressure
Two marbles are drawn in succession from the box containing 10 red, 30 white, 20 blue, and 15 orange marbles. replacement being made after each drawing. Find the probability that is: (a) both are white
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