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You are the engineer in charge of a project sitting on the bottom of a hill close to the city Auckland, New Zealand, with a very humid and unpredictable weather. You want to make sure that the hill slope -the earth of which has also been excavated by your teams and the organic soil and vegetation removed- will remain stable for the safety of your workers. A geotechnical inspection let you know that the angle of repose of the hill is slightly lower than that of the natural undisturbed soils in dry conditions. Please discuss if you are going or not to stabilize the slope -why?
Given that that there is no budget to built any type of artificial protection enclosure or retention wall but you still have some allowance for using earthmoving equipment, which of the techniques discussed in class would appropriate in case slope protection was to be built. Clearly name and draw this technique.
The dynamic viscosity of water at 20°C is 1.00 x 10-3 N-s/m2, and the viscosity at 40°C is 6.53 x 10-4 N-s/m2. Estimate the viscosity at 30°C.
The median value of the rupture strength was 300 MPa. The ceramic is to be used for components with dimensions l=50mm, b=d=5mm loaded in simple tension along their length. Calculate the tensile stress that will give a probability of failure of the..
I want to use PESTAN model for a project, can you please tell me any real scenario with available data on which I can formulate a project preferably related to oklahoma.
The member is 24ft long with pinned end supports and is laterally supported in the weak direction at the one-third points of the total column length. Use 50 ksi steel.
When in use, a fishing rod can be approximated to act as a cantilevered beam. Assume that the force (P) is applied to the end of the beam by a fish while the fisherman rigidly holds the other end of the beam.
A catheter is a specialised needle intended for long-term insertion into a vein in a patient's arm. Engineers are redesigning them to cause less discomfort and damage. An intravenous chemotherapy system is based on a new catheter design.
Discuss the role of each physical, chemical and biological unit operations and processes employed in the wastewater treatment facility. If this treatment facility is required to supply class A recycle water to those industries for non-potable use
Let X be a uniformly distributed continuous random variable ranging between 5 and 8, X ~ U[5 , 8]. Variable Y is a function of X: Y: h(X)= 2X^2+1 a. Determine the PDF of Y. b. Find the expected value of Y.
if the BOD5 of waste is 327 mg/l, what sample size (in percent) should be selected to yield an oxygen consumption of 4.8 mg/l
Determine the unfactored dead load and live load on a typical interior roof beam, sketch the loading on the beam, and draw the shear and moment diagrams for the beam assuming the beam is simply-supported.
If an analysis is made of the hydraulic conductivity of a site using permeameter tests of core samples, slug tests of monitoring wells, and pumping tests of production wells, it is often observed that the hydraulic conductivity as measured by each..
Calculate the numbers of married men, single men, married women and single women. Print these numbers on a student summary report. If any single men are over 30 years of age, print their names and ages on a separate eligible bachelors report.
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