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1. A block of moist soil weighs 12.72 lbs, is 0.1050 ft3 in volume, has a water content of 9.5%, and has a specific gravity of soil solids of 2.7. Assess: Va, Vw, Vs, S, e, gama d.
2. The moist unit weight of a soil is 18.7 kN/m3 Given that Gs=2.71 and w=10.3%, calculate Dry unit weight, void ratio, porosity and degree of saturation.
The plant is to employ alum coagulation. and pertient data for the folcculation basin are as follows: detention time = 20 min, G = 35 /sec at 50F, GT = 10000 to 100000, width = 1.25 depth, length = 2width, no baffling, number of impellers = 2
If an additional 11-ft lane is added (each direction) and all other factors stay the same, what will be the new level of service?
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?
What is the cost breakdown structure(CBS)? What are its purposes? What is included (or excluded)? How does it relate to a work breakdown structure (WBS)?
Ball A is thrown vertically upward from the top of a 30-m-high building with an initial velocity of 5 m/s. At the same instant another ball B is thrown upward from the ground with an initial velocity of 20 m/s. Determine the height from the ground..
A gas is compressed at a constant pressure of 0.800 atm from 9.00L tp 2.00L. in the process, 400J of energy leave the gas by heat. (a) What is the work done on the gas? (b) What is the change in it internal energy?
Design a column base plate for a W10 x 33 column supporting a service dead load of 20 kips and a service live load of 50 kips. The column is supported by a 12-inch x 12-inch concrete pier. Use A36 steel and f 'c = 3 ksi. Answer 12 x 12 x 5/8
A four-lane freeway is on a mountainous terrain with 11-ft lanes, a 5-ft right-side shoulder, and a 3-ft left side shoulder. During the peak hour there are 12% trucks and buses and 6% recreational vehicles.
Briefly explain the purpose of the International Space Station, and list the name of all space agencies involved in building and operating it.
A fully loaded, ocean going container ship is just stable about its longitudinal axis (roll). The ship has a total weight of 155,000 tons, length = 1,600 feet and a beam = 150 feet (assume that it is the shape of a rectangular box). Calculate the ..
if you had a choice of three kinds of aggregate--a sandstone,a crushed basalt,and a quartizite,you may select the basalt.Give one possible characteristic or property of sanstone and of the quartzite that made you decide not to select it for your c..
Determine the COD, carbonaceous BOD, and nitrogenous oxygen demand of a 100 mg/L solution of urea (N2H4CO)
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