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A symmetric compound channel in overbank flow has a main channel with a bottom width of 30 m, side slopes of 1:1, and a flow depth of 3m. The flood plains on either side of the main channel are 300m wide and flowing at a depth of 0.5m. The mean velocity in the main channel is1.5 m/s, while the floodplain flow has a mean velocity of 0.3 m/s. Assuming that the velocity variation within the main channel and the floodplain subsections is much smaller than the change in mean velocities between subsections, find the value of the kinetic energy correction coefficent.
A sand with Gs=2.66 and e=0.60 is completely dry. It then becomes wetted by a rising groundwater table. Compute the unit weight under the following conditions: a.) when the sand is completely dry
The steel ball is suspended from the accelerating frame by the two cords A and B. Determine the acceleration a of the frame which will cause the tension in A to be twice that in B.
q1. briefly explain the purpose of the international space station and list the name of all space agencies involved in
Describe an engineer's estimate.Describe the two different types of overhead costs.Describe HeavyBid and how it is used.How does the hierarchy approach in HeavyBid program assist in the identification or resources?Describe what contractors who do not..
A Waste water has been characterized for nitrogen-containing compounds and the TN was 26 mg N/L, the TKN was 14 mg N/L and nitrate was 27.3 mg NO3-/L. What is the potential theoretical oxygen demand (mg O2/L) associated
Can a contractor claim that liquidated damages should be limited Because of political unrest, only 20% of rooms are occupied. Liquidated damages are set to $30000 per day -> reasonable amount Contractor is late 15 days.
Determine the force in each of these rods. Neglect axial compression and shear in the beam. For the beam, Ib = 200(106)mm4, and for each tie rod, A = 100mm2. Take E = 200 GPa.
To imagine the diagram, the collar at point A (unstretched) is on the same x-axis as the anchor @ C, while the collar point B (stretched) is located downwards-left to point A, forming a 30 degree angle with the y-axis (vertical). In other words, the ..
A square with the dimensions of .02m by .02m by .5m is attatched to a solid surface. If the forces on the rod are too large, it will either crush or be sheared off where it is atatched to the solid surface.
A hollow rectangular steel beam is 18 cm deep by 10 cm wide, outside dimensions. The walls are 2 cm in thickness. From the shear and moment diagram, the maximum vertical shear on the section is 180 kN
Hardly Able Contracting Co., Inc., Contractors & Engineers, has been in business for twenty five years and has been progressively expanding since the firm’s inception
A ssume that one half of the energy incident on the collector goes to this reservoir, which, in turn, serves as a source for a heat engine. If the temperature of the atmosphere is 70 F,
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