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Clay weights 3,000 lb/cu. yd. on its natural state(BCY). After excavating the soil weight is 2,310 lb/cu. yd. After transporting the loose material (LCY) in 12 yard dump trucks, placing it, and compacting the weight of the soil is 3,750 lb/cu.yd.(show your calculations)
a) Find the Swell and Shrinkage
b) Load and Shrinkage Factors
c) A 165,000 cu. ft. pond is to be constructed. How many truck loads are necessary if you use
An engineering student is driving on a level roadway and sees a construction sign 500 ft ahead in the middle of the roadway. the student strikes the sign at a speed of 25 mi/h.
In a short section of a channel carrying a steady discharge of 36 m^3/s, the depth is seen to increase from 1.6 m to 1.75 m. The channel is rectangular, 20 m wide with a bedslope of 0.0002 and Manning n of 0.014.
a dam project specifies 97 compaction. lab tests on the soil being used indicate that it has anbspmaximum dry density
Water at 20 degrees centrigrade in a 85 degree reducing bendis used in what is otherwise a continuous pipe. The systemoperating is 0.10 cubic meters per seconds
Water flows through a horizotal 45 deg reducing bend with a 36 inch. diameter upstream and a 24 inch diameter downstream, at the rate of 20 cfs under a pressure of 15 psi at the upstream end of the bend. Neglecting head loss in the bend, calculate..
Consider the design of wastewater treatment plant for a community wiyh average daily and peak hourly wastewater design flows of 2.0 mgd. The raw sewage has an average of 230 mg/l BOD5 and 260 mg/l of suspended solids.
A chemical plant uses a tube-within-a-tube counterflow heat exchanger to heat air with the use of steam. During steady state operation, the air flows into the exchanger at a rate of 5,000 kg/h and a temperature of 27C and exits at a temperature..
A rectangular blade weighing 0.02 lbf is kept in the surface of water (sigma=0.073 N/m) solely by surface tension forces. What is the minimum perimeter of that the blade must have so that this is possible
When Eurasia restaurant, serving Eurasian cuisine, first opened along Chicago's Michigan Avenue, its novelty brought many diners.
In designing of access ramps for drainage channels, why should the direction of access ramps be sloping down towards downstream?
Determine the magnitude of which will cause the reaction at the bearing to be equal to zero. The bearings are in proper alignment and exert only force reactions on the rod. Set = 600 .
Metallurgical balance in mineral processing, Assume 2000 short tons of ore were mined, 200 tones were rejected as waste and the tonnage accepted for metallurgical treatment
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