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The pin-connected assembly shown in the figure consists of solid aluminum [E = 71 Gpa] rods (1) and (2) and solid steel [E = 201 GPa] rod (3). Each rod has a diameter of 20 mm. Assume that a = 2.8 m, b = 1.6 m, and c = 0.5 m. If the normal stress in any rod may not exceed 155 MPa, determine
(a) the maximum load P that may be applied at A.
(b) the magnitude of the resulting deflection at A.
The peak-hour volumes at two locations were counted and found to be equal. However, the PHFs were .85 at the first location and .60 at the second. Describe the difference between the two locations if t=5 min.
Given copper and PVC pipe segments analyze which pipe is morelikely to fail in the modes of Compression, Tension,Shear, Bending, and Buckling. Both pieces are the samesize.
Using Fy=50ksi, select the lightest available section for the spanand loading shown. Consider moment and shear only and neglect beamweight in all calculations. The member is assumed to have fulllateral bracing.
Verify that the displacement response of the system - single-degree-of-freedom model below is subject to the pulse loading
Course Ab of a five sided traverse runs due north. From the giben balanced interior angles to the right, compute and tabulate the bearings and azimuths from north for each side of the traverses.
An electrodialysis is used to treat a stream of 125 m3/d produced water with a salinity of 13,000 mg/L NaCl before the produced water is discharged to the river with the flow rate of 5 million L/d and salinity of 20 mg/L NaCl
The rate of water level change was measured when the water in the auger hole was 5 meters below the water table, and was determined to be 5 cm/s. Determine the hydraulic conductivity of the aquifer in the vicinity of the auger hole.
A one-story, 50-m wide X 90-m long manufacturing building is to be built on a site underlain by medium dense to dense silty sand with occasional gravel. This soil probably has better than-average engineering properties and average uniformity.
the weight of a sample of coarse aggregate was measured under various conditions with the following results: oven-dry weight in air 1076.3 g air-dry weight in air 1083.3 gsaturated-surface-dry weight in air 1089.2 g
Suppose you are given an algorithm A to solve the CLIQUE decision problem. That is, A(G, k) will decide whether graph G has a clique of size k. Give an algorithm to find the vertices of a k-clique in a graph G using only calls to A, if any such k-cli..
Working a problem where there are two one-story buildings of different heights next to each other. Earthquake imparts a base motion z(t) that is a cosine function. I'm given a shape function for a column of height L when deriving the EOM for each ..
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..
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