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1.A town requiring 2 cms ofwater has two sources, a local well with 15 g/m^3 of a contaminantand a distant surface water source with 2 g/m^3 of the contaminant.form the SDWA the contaminant can not be present at concenteration above 5 g/m^3. what flow rate are required from the local well andthe surface water?
2.For arectangular section (b(width) x h(thickness) that is subjected to a force P that is applied at an eccentricity (e) measured from the center of area of the rectangle in the h(thickness)direction. Find e in terms of b and h to have one type of normal stresses (that of a triangular distribution).
A uniform flow of normal depth 6 ft is developed upstream in a rectangular channel 10 ft wideand laid on a slope of 0.004. The Manning's coefficient n is given as 0.0149. There is a smooth step on the floor.
A parking facility on a campus was recently opened to faculty,staff and students.It cost a total of $ 300,000 to construct the facility. It is expected that thefacility will require no maintenance for the first 2 years ofoperation.At end of year 3, t..
A hardwood beam of rectangular cross-section 150x300 is simply supported over a span of 8m, and is loaded as sketched. Determine the maximum deflection of the beam. (Youngs modulus E = 12 x 10^3 MPa)
Office workers complain that the noise level in their office Area 1 is greater than that in the company's other office Area 2. Six measurements are made on different days in each area, with the following results
This uniformly reduces 4X10-4 cm / s to a depth of 22 meters. If the water level is about 3 feet below the surface, determine the saturated hydraulic conductivity of the layer.
A smooth nozzle with a tip diameter of 2 inches terminates a 6 in waterline. Calculate the mean velocity of efflux from the nozzle when the velocity in the line is 10 ft/s.
An aluminum link is subjected to axial tension. The loading is limited by the conditions of not yielding and not elongating excessively. The yield limit is satisfied if the stress remains below 50%of the 325M Payield stress.
if shaft A have 1200N.m torque with 25cm diameter and the shaft B have diameter of 52cm what is the torque of shaft be
Traffic signals were installed at an intersection involving two one-way streets. Suppose 75% of the vehicles will decelerate when they see the amber light, whereas 20% will accelerate and 5% are "indecisive" and simply continue with the same speed..
The aluminium wire has a radius of 1.1mm. What must be the radius of the steel wire if it is to stretch the same distance as the aluminium wire, so that the two wires maintain equal lengths after the masses are attached?
If the aircraft flies at 9000 m standard altitude, make a plot of drag (in N) versus speed (from stall to 240 m/s) and determine the optimum emise velocity (minimum drag per unit speed).
A cross section of a cottage, 20 ft wide, is an isosceles triangle. If the slope of a side is 1.75 and there is a second floor 8 ft above the ground floor, what is the width of the second floor?
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