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Two soil sandy-silt-clay, A and B have the same particle size distribution curve. Soil A is micaceous with an average grain relative density of 2.80, and has a high plasticity in its fine fraction. The ground quartz-feldspathic B is, with an average relative density of 2.65 and fine grains of low plasticity. Based on this information, ask:
a) it would be possible to say if one of these soils is potentially more compressible than the other?
b) it would be expected that these two soils, when saturated, have different humidities?
Suppose a drainage basin has an area of 288 acres with a CN=55(Runoff Coef. of 0.30). Determine the peak discharge (in cfs) that would result from a 6.0in., 24-hr assuming there are no ponds and swampy areas.
A mass of .525g of NaCl has been added to a cylinder containing water. The cylinder diameter is 1.5in and depth of water in 5inches. Determine the concentration of the sodium ion in solution, showing your ans in units of a) mg/L b) mass % and c) m..
A very small country has just gained independence in the year 2000, at which time its population was 1,000. The new country has a birth rate of 0.02 yr-1, death rate of 0.004 yr-1, immigration rate of 0.01 yr-1, and emigration rate of 0.005 yr-1.
What is the concentration of tracer in the reactor 1 h after tracer addition is terminated? The reactor had an initial concentration of tracer of 1.0 mg/L when tracer addition commenced.
Draw a P-V diagram for pure component and label appropriate points such as superheated region, isothermal line, etc.
A geothermal power uses hot water (185oF) as a heat source and the cold water from a close by lake (60oF) as a heat sink. The basic operating system is a close loop ammonia efficiency of the cycle that powers turbine-driven electric generator (100..
water flows from a lake into a steep natural channel. the water surface elevation of the lake is 97.0 with respect to the datum. the channel properties are given below. determine the flow rate in the channel
An engineering student is driving on a level roadway and sees a construction sign 180 m ahead in the middle of the roadway. The student strikes the sign at 56 kph. If the student was traveling at 90 kph when the sign was first spotted, what was th..
A horizontal curve was designed for a four-lane highway for adequate SSD. Lane widths are 12 feet, and the superelevation is 0.06 and was set assuming maximum fx.
two links AB and DE are connected by a bell crank as shown. Determine the maximum force that can be safely exerted by link AB on the bell crank if the maximum allowable value for the reaction at C is 1600N.
A soil borrow material in its natural state in the ground has a unit weight of 118pcf. Its natural water content is 7%. What is the dry unit weight of this material?
Determine the strain components strainx, Strainy, and gammaxy, then sketch the deformed shape in the xy orientation, paying particular attention to the sign of the shear deformation.
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