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1.The total volume of a soil specimen is 120 cm3 and its total mass is 220g. Specimen porosity is 0.4 and specific gravity of solids is 2.66 Determine the following: (a) water content, (b) void ratio, (c) degree of saturation, and (d) dry density.
2.A saturated soil has a void ratio of 0.7 Specific gravity of solids in this soil is 2.67
Determine (a) the saturated unit weight, and (b) dry unit weight. Use units of ft and lb.
It is expected that 95% saturation will be attained. Calculate the volume of soil that will be needed if the void ratio of the fill material is 1.3
Choose a pipe to be used as a tension member to resist a service dead load of 10 kips and a service live load of 25 kips. The ends will be connected by welding completely around the circumference of the pipe.
a horizontal cylindrical tank 4 ft in diameter and 10 ft long is full of water. find the work done in pumping the water to a point 4 above the top of the tank.
On a certain highway a -6% grade meets a +2% grade at station 70 + 00, elevation 550.97 ft. An equal tangent vertical curve, 800 ft. long, is to be installed to connect these two grades.
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.
Determine the critical load of a round wooden dowel that is 0.9m long and has a diameter of (a) 10mm (b) 15mm. Use E=12GPa
Laboratory analysis methodology to be used. Give details on the standard methods, instrument and detection limits. Standard methods for heavy metals analysis exist
Could effectively remove water from therecycling paradigm; and 4) the likely effects of global warming andcooling on these dynamics.
The flywheel of a prototype car engine is under test. The angular position of the flywheel is given by x = (3.0rad/s3)t3 and the diameter of the flywheel is 36cm.
The 50mm radius pulley A of the clothes dryer rotates with an angular acceleration of (80^(1/2)A) rad/s, where angle A is in radians. Determine its angular acceleration when t= 2 , starting from rest.
Gas flows at a steady rate in a 120-mm-diameter pipe that enlarges to a 180-mm-diameter pipe. At a certain section of the 120-mm pipe the density of the gas is 165 kg/m^3 and the velocity is 15 m/s.
Base course aggregate has a target dry density of 119.7 Ib/cu ft in place. It will be laid down and compacted in a rectangular street repair area of 2000 ft by 48 ft by 6 in.
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