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A homogeneous coarse sand deposit has a water table at 10 m depth. The water coefficient of permeability of the sand is found to vary significantly with height above the water table even though the sand deposit is homogeneous. Briefly explain the reason for the variation of the water coefficient of permeability above the water table.
the unit weight of normal weight reinforced concrete is commonly assumed to be 150 lb/ft cubed. find the weight per lineal foot (lb/ft) for a normal weight reinforced concrete beam that: a. has a rectangular cross section 16 in.
(a) Derive equations for the shear force V and the bending moment M for segments: AB, AC and AD (Place the origin at point A). (b) Plot the shear-force and bending-moment diagrams for the beam using the derived functions.
The diameter of the soil column is 8.0 cm, the length of the soil column is 16.0 cm. The hydraulic head loss across the soil specimen is 6.4 cm. Over a period of 3 min, 350 mL of water is collected at the downstream side of the soil specimen.
A stainless steel (304) bar with a cross section of 0.2" x 0.4" is cut to a length of 30" and placed between two immovable walls at a temperature of 40 degrees F. The operating temperature for the bar is 200 degrees F.
If the HCO3- alkalinity of a sample was 50 mg/l as CaC03, what would its alkalinity be in terms of NaCl equivalents
the tank contains water to depth of 2m and oil (sg=.8) on top of the water to a depth of 1m detrermine the magnitude and location of the resultant fluild force acting on one end of the tank
Flue gas containing NO2is then treated by an air pollution control equipment with 85% efficiency. Determine the annual emission rate of NO2 leaving the air pollution control device.
A thin-walled cylindrical tank of radius r is subjected simultaneously to internal pressure p and a compressive force P through rigid end plates. Determine the magnitude of force P to produce pure shear in the cylindrical wall.
The 75 lb block is released from rest 5 ft above the plate. Determine the compression of each spring when the block momentarily comes to rest after striking the plate.
(a) How is raw pig iron extracted from iron oxide ores (b) Write a typical chemical reaction for the reduction of iron oxide (Fe2O3) by carbon monoxide to produce iron.
A chemical plant produces a process wastewater that contains a relatively high concentration of a small number of nontoxic organic compounds, but very low concentrations of solids or salts. It has no odor.
A coal fired power plant can be modeled as a heat engine. If the power output of the plant is 200 MW and the thermal efficiency is 42%, determine the amount of coal used per day if the heat of combustion from the coal is 24,000 kJ/kg.
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