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A load test is preformed on a 0.3 m by 0.3 m square footing on a dense cohesionless sand (unit weight=18 kN/cubic meter). The footing's base is located 0.6 m below the ground surface. If the footings fails at a load of 82 kN, what is the failure load per unit area on the base of a square footing 2.0 m by 2.0 m loaded with its base at the same depth in the same materials?
A tank containing acetone at 20 oC has a drain pipe connected vertically at the bottom. The pipe is made of galvanized iron, 0.5 in NPS Schedule 40 with length L= 2m. The acetone depth in the tank is H= 5 m.
A 1m diameter pipe bend is carrying water with a steady flow rate of 2 m3/s. The bend has an angle of 90o and lies in a horizontal plane. The volume of water in the bend is 1.5 m3 and the empty weight of the bend is 4 kN.
determine the location of the center of gravity of the cast aluminum block
A container weights 2.06lb. It is filled with 1.09ft^3 of water at 25 degrees Cel. What is the final weight in pounds and newtons
The total dissolved inorganic carbon (TIC) of a sample of groundwater is 8.33 mM. The temperature of the aquifer is 15C, the pH is 7.5, and the ionic strength is 0.05 M. What is the H2CO3, HCO3-, CO3 2-, and the partial pressure of CO2? [Use activ..
find an expression for the diameter, D, of the droplet, in terms of the specific weight and surface tension, assuming the contact angle just before seperating is zero.
A paved parking lot section has a uniform slope over a length of 100 m (in the flow direction) from the point of a drainage area divide to the inlet grate, which extends across the lot width of 30 m.
A froth flotation process is used to concentrate copper ore. It is a two stage process with a rougher stage followed by a cleaner stage. The cleaner tailings are returned to the rougher flotation.
Roman technology and engineering. Technology and engineering were among Rome's most famous achievements. Describe and explain the importance of Roman technology and engineering
A liquid of 80 mole percent propane and 20 mole percent n-pentane is to be diluted with methane. Will all mixtures of the liquid and methane be single phase at 160 F and 500 psia
standard air is drawn from the atmosphere into a 1.25 m diameter cylindrical duct by a fan mounted inside the duct. This air is discharged down stream from the fan through a 0.6 m diameter duct at a velocity of 25 m/s and atmosphere pressure.
A stream of water of cross-section area A and velocity v1 strikes a plate which moves to the right with a velocity V. Determine the magnitude of V, knowing that A 5 600 mm2, v1 5 30 m/s and P 5 400 N.
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