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a.) What is the terminal settling velocity of a particle with a specific gravity of 1.4 and a diameter of 0.01 mm in 20 degrees celcius water?
b.) Would particles of the size in part (a) be completely removed in a settling basic with a width of 10 meters, a depth of 3 meters, a length of 30 meters, and a flow rate of 7,500 m3/day?
c.) What is the smallest diameter particle of specific gravity 1.4 that would be removed in the sediment basin described in part (b)?
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..
On a specific westbound section opf highway, studies show that the speed density relationship is u=uf *[1-(k/kj)^3.5]. It is known that the capacity is 4200hehicle/hr and the jam density is 210 veh/mile.
Determine a composite SCS runoff curve number for a 600-acre basin that is totally within soil group C. The land use is 40 percent contoured row crops in poor hydrologic condition and 60 percent native parture in fair hydrologic condition.
An outdoor track is 125m in diameter. A runner increases her speed at a constant rate from 4 to 7 m/s over a distance of 30m. Determine the magnitude of the total acceleration of the runner 2 s after she begins to increase her speed.
What distance on 5% grade should be laid out with a tape that measures 30.010 m under field conditions if the horizontal distance is to be 430.00m
An external moment of magnitude 110 N-m is applied in the counter clockwise direction as shown. A frictional moment of magnitude 10 N-m resists the rotation. The specific weight of the material is 250 lbs / ft3.
A pneumatic-tired tractor with a 354 - hp engine has a maximum speed of 3.6 mph in 1st gear. Determine the max. rimpull of the tractor in each gear if the engine effieicency is 91%.
the flow rate into the lake is 10 m3/s, the surface area of the lake is 1 x 107 m2, and the rate of evaporation from the lake is 6 cm/wk, how long ago did the dumping stop?
An equal-tangent crest vertical curve connects a +3.2% and -1.1% grade. The PVI is at station 98+20. Due to drainage considerations, the highest point of the curve is at station 100+79.35.
Suppose that all the dislocations in 1000 mm^3 (1 cm^3) were somehow removed and linked together end-to-end. How far (in miles) would this chain extend
You heat 250 ml of tap water from 10 degree celcius to 100 degree celcius in 2 minutes using a microwave oven operating at 2.5 GHz. a). What is the wavelength of this electromagnetic radiation
A sailboat capsizes a large distance from shore. What might be done to 1) right the boat and 2) prevent this from occurring again. How would this be accomplished specifically
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