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A proposed square footing 2 meters by 2 meters carrying a total load of 800 kN is to be constructed on a sand deposit. The depth of the footing will be 1 meter below the ground surface, and the unit weight of the sand is 17.5 kN/m^3. The modulus of elasticity of the sand was determined to be 10,000 kN/m^3 throughout. Using the Schmertmann's method, estimate the settlement of the footing four years after construction, using four 1 meter thick sublayers.
What is the Federal Express philosophy toward quality? What specific elements/actions has FedEx implemented in its quality improvement history?
Lab studies have shown that the rate constant associated with the process are as follows: k = 0.95 mg COD/mg VSS-day; Y = 0.48 mg VSS/ mg COD, half-saturation K = 85 mg COD/L; ke = 0.07 d-1.
A delivery company accepts only rectangular boxes the sum of whose length and girth (perimeter of a cross section) are equal to 108cm. Find the dimensions of an acceptable box of a largest area.
the rigid bar abcd is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250mm^2. if the temperature is increased by 80C, determine the force P that will cause the bar at c to be stress-free.
What is the salt usage for each regeneration if the system regenerated every 10 days? What size resin tanks (diameter, height) would be required for a duplex system with no redundancy?
John had a little business on the side and did not have a girlfriend when he was at school and ehnce he was able to save the $10,000 for his dream car. The dealer agrees to take the car back for $8000
The ball is kicked so that it has a velocity of 0.5 m/s and the cord is pulled in at a rate of 0.2 m/s. Neglect friction so that the only important force on the ball is the tension in the cord. Find the tension in the cord when the radius is 0.25 ..
What are Engineering Societies based upon the research? List at least 10 discipline specific engineering societies along with their website addresses.
North City must choose between two new snow-removal machines. The SuperBlower has a $70,000 first cost, a 20 year life, and an $8000 salvage value. At the end of 9 years , it will need a major overhaul costing $19,000.
Is the system within membrane manufacturer's warranty requirement of maximum flux rate of 14 gfd? What is the annual power cost of the RO system?
An 180 m long 100 mm diameter compressed air pipeline is to be run from a stationary compressor to an air-track drill which requires a flow of 780 l/sec. The pipeline contains 2 large radius bends (R=2d) ,and 4 half closed gate valves.
A clean glass capillary tube having a diameter of .008 in. was inserted into water with a surface tension of 0.00504 lb/ft. Calculate the height of the capillary rise in the tube.
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