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An undisturbed saturated soil has a specific weight total of 18.85 kN/m3 and a moisture content of 32.5%. Determine the voids and the density of the grains of soil.
Compute the maximum acceptable tensile service load T that may act on a single angle L6x4x3/4 that is welded along only one leg to a gusset plate; thus, there are no holes. The service load is three times the dead load. Solve for a0 A36 steel.
A hot air balloon starting on the ground ascends at a rate of 12 km/hr and is carried by the wind (horizontally) at a rate of 20 kn/h. When the balloon reaches a height of 50 m, a ballast bag is dropped.
Assuming an isotropic and homogenous hydraulic conductivity of 0.0001 cm/s what is the magnitude and direction of specific discharge (q)?
Find the minimum flow rate of air and the heat exchanger second-law efficiency.
An existing power plant has been found to produce SO2 concentration of 20µg/m3 at a distance of 800m directly downwind from the stack when the wind is 4m/s from the north during a class C stability situation.
Determine the axial and hoop stresses at the lower end of the vessel. A standpipe 12 ft in diameter and 50 ft tall is being con- structed for use as a storage tank for water with a specific weight of 62.4 lb/ft3. The wall thickness of the vessel is..
The beam is simply supported and spans 25 feet. The beam must be designed for a superimposed uniformly distributed dead load of 1 kip/ft, and a concentrated live load of 12 kips that acts 10 feet from one of the supports.
A rigid rectangular shelf is suspended from a rigid ceiling by mean of four rods of diameter .505 inches. The two rods to the left L1 and L2, are made of steel. The two rods to the right R1 and R2 are made of aluminum.
The center to center spacing to the two tanks is 14 m. The new tank imparts 150 kPa at the ground surface. Find the increase in vertical stresses due to the weight of the two tanks mid- way between the two tanks at the center of the clay layer.
an electrical-generation utility sometimes pump liquid water into an elevated reservoir during periods of low electrical consumption. this water is used to generate electricity during periods when the demand for electricity exceeds the utilities a..
The exterior and interior walls are of concrete block. The roof is constructed of bar joists covered with a steel roof deck, rigid insulation, and built-up roofing.
A concrete mix witha 3-inch slump, w/c rtion of .5, ans sand with a fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate. compute the required weight of coarse aggregate per cubic yard.
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