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following results were obtained from direct shear tests on specimens of a sand compacted to the in-situ density.determine the values of the shear strength parameters c' and o'.normal stress is 50 100 200 300 and shear stress at failure is 36 80 154 235
Plateau Creek carries 5.0 m^3/s of water with a selenium (SE) concentration of 0.0015 mg/L. a farmer starts withdrawing 1.0 m^3/ of the creek water to irrigate the land.
A flat plate weighing 220 N slides down a 15 degree incline with a velocity of 2.5 cm/sec. A thin film of oil with a viscosity of 1.29 N.sec/m^2 separates the plate from the ramp. if the plate is 50 cm by 75 cm, calculate the film thickness in cm.
A circular swimming pool has a diameter of 18 m, the sides are 3 m high, and the depth of the water is 2.5 m. How much work (in Joules) is required to pump all of the water over the side
Determine the discharge for (a) commercial steel (b) cast iron (c) smooth concrete and the flow gain if the highest capacity pipe material is chosen over the lowest.
The forces F1, F2, and F3, all of which act on point A of the bracket, arespecified in three different ways. Determine the x and y scalar components of each of the three forces.
a channel which has a trapezoidal cross-section with a bottom width of 6 m and side slopes 1:2 discharges water at a rate of 5 m3/s. Determine the critical depth.
A point load from a pier applies at ground surface which its magnitude is 1000KN. Calculate primary consolidation settlement of the clay layer at a distance of one meter from the point of application of the load.
The motor A delivers 3000 hp to the shaft at 1500 rev/min, of which 1000 hpis removed by gear B and 2000 hp is removed by gear C. Determine (a) the maximum shear stress in the shaft; and (b) the angle of twist of end D relative to end A.
a 60 -m- long steel wire must not strech more than 48mm when the tension in the wire is 6 kn. determine the corresponding value of the normal stress.
determine the planer density and packing faction for FCC nickel in (100), (110), and (111 planes. which, if any, of these planes is close-packed
a wheel rolls to the right with an angular velocity of 2 rad/s while slowing down at a rate of 3 rad/s^2. knowing the wheel rolls without sliding and ignoring the effect of gravity determine the location on the wheel where the net acceleration is ..
Suppose there were reason to believe that incomes in some population were normally distributed, with a mean of $47,000 per year, and a standard deviation of $5,500 per year.
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