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A reducer is to be used to attach a (D1 = ) 400-mm diameter pipe to a (D2 = ) 300-mm diameter pipe. For any flowrate, the pressures in the pipes upstream and downstream of the reducer are expected to be related by using Bernoulli's equation where p1 and p2 are the upstream and downstream pressures and V1 and V2 are the upstream and downstream velocities. Estimate the force R on the reducer when water flows through the reducer at Q = 200 l/s and the upstream pressure p1 is 400 kPa.
The velocity distribution for water (20 C) near a wall is given by u=a(y/b)^1/6 where a=10m/s, b=2mm, and y is the distance from the wall in mm. Determine the shear stress in the water at y=1mm. [viscosity of water at 20 C = 1.81 x 10^-5]
What are 3 of the equivalent fixed-point problems for f(x) = x2 - x -2=0?
Find depth of water flow in Rectangular channel, Water is flowing in a rectangular channel whose width is 5m
Determine the horizontal spacing of the vertical drains if the drains are installed in triangular grid to reach 90% of primary consolidation in 1.5 years after the commencement of fill placement.
Estimate the machines production under these conditions using the travel time curves given in the Caterpillar Performance handbook.
determine the tangential component of the acceleration of the sled a) just before it reaches B, b) just after it passes C.
An increment of vertical stress of150kpa compress the sample to a void ratio of1.43. What is the over consolidation ratio of the soil at the unloaded condition.
Devise a appropriate management system that you as a commercial manager for the contractor would recommend to the project team for use on a construction or building contract.
A falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm.
A car travelling at 60 mph in a construction area skids into a stack of concrete barriers. Skid marks leading to the crash measures 150 ft .
The company would like to distribute the songs between the two CDs such that the used space on each CD is about the same. Formulate the problem as an IP, and find the optimal solution.
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10 -4 .
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