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1.Two 25-kip loads are maintained 6 ft apart as they are moved slowly across the 18-ft beam ab. write a computer program and use it to calculate the bending moment under each load and at the midpoint c of the beam for values of x from 0 to 24 ft at interval delta x = 1.5ft
2.What are the basic assumptions of the 'traffic flow model' and 'capacity model' used in signal timing design? Discuss.
3.A masonry project requires 900 sf repointing. Labor of this activity is given as in the CREW, 1 brick mason and 1 helper. The productivity is 0.5 labor hours per 1 sf. The wages are for the mason $60 and for the helper $45 per hour. The cost of labor in dollars will be:
a) 100
b) 110
c) 115
d) 105
Two kilograms of steam at 300kPa and a quality of 75% are heated in a closed container until a pressure of 600kPA is reached. Determine the final temperature of the steam and the heat input.
a paved parking lot section has a uniform slope over a length of 100 m in the flow direction from the point of a
Solve the following LP using the graphical method (graph sheets attached). Compute the value of the objective function and decision variables at optimality, and indicate which statement best describes the solution.
compose a list here of the geological terms that you encounter in this reading that you could not define and explain in a test situation.
Treatment plant was designed for 9 MGD. It is currently processing 13 MGD. Your task is to assess the expected treatment performance of the primary clarifiers. There are two clarifiers 45 feet in diameter.
A cylindrical specimen of soil is compressed by an axial principal stress of 500 kPa and a radial principal stress of 200 kPa. Plot Mohr's circle of stress and determine (a) the maximum shear stress and
The centres of the piers in a bridge are 8.0m apart. The piers are each 0.8m wide. Water flow under the bridge with an upstream depth and velocity of 4.0m and 4.0m/s respectively. The pier has a drag coefficient Cd = 1.5.
Measurements of groundwater concentrations of silica (SiO2) in mg/L, were made at a sample of 12 wells in Birmingham. The sample mean concentration was 61.3 and the standard deviation was 5.2.
Assume that there is only one phase present and that the formation is homogeneous, but anisotropic. Further, assume that viscosity, formation volume factor, and the areas available for flow are constant spatially. Last, assume 3-D flow using x, y,..
Calculate the percentage of change in total volume with respect to its initial volume when a specimen of this clay is completely dried from a water content of 80%. Assume that the clay remains saturated from liquid limit to shrinkage limit.
Lake Pleasant, AZ, has a surface area of approximately 2,000 ha. The inflow for the month of August is zero. The lake is dammed so that no water leaves the impoundment downstream of the dam. There is no rain in August.
The compound beam is fixed at A and supported by a rocker at B and C. There are hinges (pins) at D and E. Determine the reactions at the supports.
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