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A reservoir is to be formed in a river valley by building a dam across it. The entire area that will be covered by the reservoir has been contoured and contours drawn at 1.5-m intervals. The lowest point in the reservoir is at a reduced level of 249 m above datum, whilst the top water level will not be above a reduced level of 264.5 m. The area enclosed by each contour and the upstream face of the dam is shown in the table below.
Estimate by the use of the trapezoidal rule the capacity of the reservoir when full. What will be the reduced level of the water surface if, in a time of drought, this volume is reduced by 25%?
Long span bridge or continuous bridge which is more preferable and why - what is the major problem in continuous bridge and what would be its effect if there is any differential settlement?
A tensile load of 50 000 lb is applied to a metal bar with a 0.6x0.6 in cross section and a gage length of 2 in. Under this load the bar elastically deforms so that the gae length increases to 2.007 in
Water flows from a ground storage tank that is 450 feet above a town's water distribution system. The pressure at the entrance of the system must be at least 75 psi and the demand is 1350 GPM.
A 10 ft layer of normally consolidated saturated clay is found at depth of 20 ft beneath a formation of partially saturated sandy silt with unit weight of 115 lb/ft cubed. Void ratio of the clay is 1.5 and specific gravity is 2.6.
A trapezoidal channel has a bed width of 3.5 m and a side slope of 30 degrees from the horizontal. Determine the critical depth and the critical velocity for a flow of 22 cubic meters per second.
A layer of normally consolidated clay has been filled with 2m of gravel at a unit weight of 17kN/m3 for a long period of time and the settlement of the clay layer monitored giving a total final settlement of 330mm.
An element in plane stress is subjected to stresses sigma x=27 MPA,sigma y=14 MPA,sigma xy=6MPA.Using mohr's circle,determine the stresses acting on an element oriented at an angle 40 degrees from the x axis.
Assume that the sludge does not change density during filtration and that liquid removed from the sludge contains no sludge. Using mass-balance method. determine the volume of sludge after filtration.
The interior height of the cone is 3.60 in. The cone has an exterior radius of 1.25 in and an interior radius of 1.10 in. The scoop of ice cream sits on the cone's interior radius and extends into the cone some distance.
The new owners propose to flush the pond into their discharge pipe leading to the Atlantic Ocean, which has a salt concentration above 30,000 mg/L. What flow rate of fresh water (in m3/s) must they use to reduce the salt concentration
Determine the deflection of the right end of the pointer and the maximum deflection of the beam.
We are analysing energy efficiency of four different cars, A (3.2 miles/kwh), B (42 mpg using Clean Diesel), C (22 mpg using corn based ethanol E85), and D (28 mpg using regular gasoline). Now accounting for all of the energy used, including extra..
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