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Figure P16.3 shows the profile of a beach on a lake. It is proposed to draw down the lake by 2 m. Determine the slope angle of the beach below the high water level after the drawdown. You may assume an infinite slope failure mechanism. The critical state friction angle of the sand is 30°.
What are the processes for developing a new mine in Australia? Give your answer as per your geographic location - what are strategic risks? How would you manage these risks?
The barrel has an inner diameter of 4ft. Neglect its wall thickness. Assume that only the hoops resist the water pressure. Note: Water develops pressure in the barrel according to Pascal's Law, p=62.4 lb/ft^2, where z is the depth from the surface..
The outer surface of the tank is cooled by air at 300 K with a heat transfer coefficient of 100 W/m2K. Determine the maximum temperature in the tank. Take the thermal conductivity of the wastes as 2.0 W/mK.
A 2.45 m wide rectangular channel has a bed slope of 0.0004 and Manning's roughness coefficient n of 0.015. For a discharge of 2.83 m^3/s, determine the type of water surface profile for depths of 1.52 m, 0.61 m, 0.30 m.
Write a paragraph ( 1 paragraph for i, ii, iii, & iv together) summarizing the following Holistic Methodologies Methods used to analyze environmental flow requirements.)
The James Rives flows in from the East at 320 m^3/min and joins the Jackson River flowing at 605 m^3/min just outside the town of Charlotte, NC. The concentration of BOD in the James River is 14 mg/L
A minimum of how many satellites must be tracked in order to solve the positioning intersection equations dealing with position (ultimately northing, easting, and elevation coordinates)?
A concrete mix with a 3 inch slump, water cement ratio of 0.50 and sand with fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate, compute the required weight of coarse aggregate per cubic yard
A horizontal prestressing force of 500kN is applied to a rectangular beam. The beam has a depth of 450mm and a width of 250mm. The force is applied at a distance of 60mm below the sections x-x axis.
An elbow, 90 degrees smooth bend flanged, is used in the Alaskan pipeline. Inside pipe diameter is 48 inches. Flow is 1.6 million barrels a day. 1 barrel=42 gal. Velocity is 8.27 ft/s. SG=0.93
Compute and compare the hydraulic conductivity (m/s) of a formation with respect to the three liquids below. The formation has a permeability k = 0.1 darcy and g = 9.8 m/s2.
If the tank is 2 meters deep and the particle enters the tank at the surface of the water, what is the longest amount of time that the particle can take to settle, if it is to be removed
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