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A permeability test was run on a cylindrical soil sample with a length of 175 mm, and a diameter of 75 mm. After 90 seconds, discharge was 300 cm3 under constant head of 41 cm. The sample had a dry mass of 850 g and its ?s was 2.60 g/cm3.
Calculate
(a) the coefficient of permeability,
(b) the discharge velocity, and
(c) the seepage velocity during the test.
(d) What was the probable type of the soil tested?
A process is normally distributed and in control, with known mean and variance, and the usual three-sigma limits are used on control chart, so that the probability of a single point plotting outside the control limits
for this purpose replace this force by its equivalent of two forces at At Ft parallel and Fn perpendicular to the beam. Determine Ft and Fn.
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A column has a mean capacity of 950 kip. The standard deviation for the column capacity is 50 kip. The average load is 700 kip with a standard deviation of 75 kip. What is the probability of failure, pf
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A collar of weight m slideswithout friction on a horizontal rod between springs A and B. Thecollar is pushed to the left, compressing spring A 0.1 m. k of A is1.6 kN/m and k of B is 2.8 kN/m.
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