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1.A saturated clay deposit is vane-tested in-situ. A torque of 30Nm is required to shear the clat. The vane is 40mm wide by 100mm long.
What is the undrained shear strength of the clat in kPa?
2.What is the dry unit weight, the saturated unit weight, and the buoyant unit weight, of a soil having a ratio of 0.5 and a value of Gs of 2.7?
Consider the pressure-driven flow between stationary parallel plates separated by distance 2b. Coordinate y is measured from the channel centerline. The velocity field is given by u=u max(1-(y/b)^2).
Soil have a void ratio of 0.68 as it exists in a borrow pit is to be excavated and transported to a fill site where it will be compacted to a void ratio of 0.45. The volume of fill required is 2500 m^3.
For a cross section of a slope through a jointed rock mass, draw the approximate positions of the water table for the following conditions. (K = relative permeability)
A river with 400 ppm of salts (a conservative substance) and an upstream flow of 25 m^3/s receives an agricultural discharge of 5.0 m^3/s carrying 2000 mg/L of salts.
Determine the magnitude of F2 which will cause the reaction Cy at the bearing C to beequal to zero. The bearings are in proper alignment and exertonly force reactions on the rod. Set F1 = 550 lb.
If the stage of a stream increases by 40% and the slope of the water surface becomes half of its original slope, then what will be changes in discharge of the stream?
An Electrostatic Precipitator must treat 500,000 acfm with 99% efficiency. Assuming an effective drift velocity of 0.4 ft/sec, calculate the required plate area in ft^2, and the number of plates if each is 20 ft tall by 10 ft long, and there are 4..
An electrostatic precipitator (ESP) is being designed to collect flue gas particles at a power plant. The following information has been collected: electric field intensity = 100,000 V/m, and average particle charge = 0.30 fC (1 fC = 10-15 C).
The discharge from a sugar beet plant causes the DO at the critical point to fall to 4.0 mg/L. The stream has a negligible BOD and the initial deficit after the river and wastewater have mixed is zero.
A 245 m ship has a displacement of 3x10^8N,and the area defined by the waterline is 3550m^2. will the ship take more or less draft when steaming from salt water to fresh water How much will it settle or rise
If a unit mass of groundwater accelerates from rest to an average linear velocity of 1 m per year and climbs a vertical distance of 1 m, compare the ratio of kinetic energy to the potential energy of the unit of groundwater.
A completely mixed flow reactor, with a volume of V and a flow rate of Q, has a zero-order reaction, dA/dt = k, where A is the material being produced and k is the rate constant.
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