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The LL of a bentonitic clay is 450 and the PL is 75. The SL was determined to be about 10. Calculate the expected volumetric de-crease when a sample of this bentonite is dried, if its natural water content was 85%.
Explain how geological processes have shaped and fashioned the Earth, producing its rocks and minerals and evaluate the importance of maps and mapping techniques in interpreting geological structures.
Find the uniform annual amount that is equivalent to a uniform gradient series in which the first year’s payment is $500, the second year’s payment is $600, the third year’s payment is $7000, and so on, and there is a total of 20 payments.
Use the Muskingum method to route a flood through a reach a river. The base flow is 100 cfs, and the incoming flood flow increases 50 cfs every 2 hr over a 6 hr period and the subsides at the same rate.
A wood cube with 9 inch sides is inserted into water. The specific gravity of wood is 0.60. What force will need to be applied to the block downward to hold the wood cube completely submerged in water
If clean groundwater flows through an aquifer contaminated with a dense non- aqueous phase liquid (DNAPL), calculate the concentration of DNAPL in the water as a function of time if the DNAPL is dissolving into the water at a rate of k1
A POTW facility that operates an anaerobic digestion process generates 2200 tones of waste water sludge per year. The solids content of the raw sludge is 4% by weight.
Calculate the volume of a cylinder that contains 60 lbm of carbon dioxide at 230°F and 23 psig pressure. Assume atmospheric pressure to be 14.7 psia.^4
Athletic Lake has a surface area of 75.96 km2. In September, the evaporation was estimated to be 3.20 inches and the precipitation was 3.45 inches. The average flow rate of the River Tiger into the lake was determined to be 3.5 m3/s and the average f..
a tower is surrounded by a wall that is 10 m high and 30 m away from the base of the tower. compute the length of the shortest ladder that can stand outside the wall and lean against the tower.
Compute the torque that could be transmitted by the key of Problem 10 on the basis of shear and bearing if the key is made from AISI 1020 cold-drawn steel with a design factor of N = 3.
Collars A and B slide along the fixed rods and are connected by a cord of length L. If collar A has a velocity vA = to the right, express the velocity vB = - f B in terms of x, vA, and s.
An undisturbed soil sample has a total unit weight of 19.4 kN/m3, a dry unit weight of 16.9 kN/m3, and a specific gravity of soil solids (Gs) of 2.69. If the sample could be saturated without changing its porosity, calculate the amount of water (i..
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