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The design capacity of a steel pile is 250 kN. The pile is driven by a steam hammer with a manufacturer's hammer energy rating of 36 kN • m. Determine the average penetration of the pile from the last few driving blows. Use the Engineering-News formula.
A construction suveyour using a steel tape is pulling a critcal measurement for layout of a building. The terrain in the in the immediate area does not allow for level measuring area.
A very long rectangular channel connects two reservoirs and has a longitudinal slope of 0.005. The channel has a width of 10 m and a Manning’s n of 0.030.
An absorption column is to be designed to recover 99.5% of the NH3 from a feed stream, which is supplied at 72 F and an NH3 partial pressure of 10 mm Hg. The feed stream contains 2100 lbm/hr of air.
Calculate the uniform flow rate in an earth-lined (n = 0.020) trapezoidal canal having bottom width 3 m, sides sloping 1V : 2H, laid on a slope of 0.0001, and having depth of 1.8 m.
1 What is the magnitude of the reaction force at pin B in lbs? 2 What is the reaction force in the x direction at pin A from ground on member AB in lbs? 3 What is the reaction force in the y direction at pin A from ground on member AB in lbs? 4 What..
A customer randomly select 2 of 10 books to purchase. How many combinations of 2 books can be selected
A 150 L helium tank contains pure helium at a pressue of 1825 psig. How many 3.5L helium balloons can be filled from the helium in the tank? (Assume an atmospheric pressue (14.7 psia) and a temp of 298K.
A pendulum consists of a slender rod, AB, of weight Wr= 8.60 lb and a wooden sphere of weight Ws= 21.7 lb .(Figure 1) The length of the rod is d = 7.70 ft and the radius of the sphere is R = 0.500 ft
One atmospheric air stream at 15 c and 30 percent relative humidity is mixednadiabatically with another air stream at 30c and 70 percent relative humidity in a steady flow process if the mass flow rate of the dry air in the hot stream
for a laminar flow of a newtonian fluid in a tube of a circular cross section, show that the ratio of mean shear to the wall shear rate is 2/3
A rectangular well-mixed aeration lagoon is 60m long, 5m wide, and 2m deep. It receives 400 cubic meters/day of wastewater with a BOD5 of 336mg BOD5/L for treatment. The biodegradation rate constants for the wastewater are yield coefficient = 0.8mg V..
Consider again the proposed water treatment plant for a city of 100,000 people where the maximum daily water usage rate is 99 X 106 L/d. Determine
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