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a river diversion canal discharges into a concrete flume of rectangular section running down a steep slope. the walss and the floor of the flume are to be 300 mm thick, and the allowance fro freeboard is to be 300mm. For Q=32m^3/s, find the width of the flume that will minimise the cross-sectional area of the concrete at the head of the steep slope, where the flow is critical. Calculate also the cross-sectional area of the concrete for this canal width.
aluminum foil used to package food is approximately 0.001 inch thick. assume that all of the unit cells of the aluminum are arranged so that a is perpendicular to the foil surface.
An undisturbed saturated soil has a specific weight total of 18.85 kN/m3 and a moisture content of 32.5%. Determine the voids and the density of the grains of soil.
How much (in addition to your trade-in value) can you afford to spend for a car averaging 30 mpg You expect to drive 15,000 mile/year and expect gasoline to cost $4.00/gallon and you will keep he car 10 years. Your personal interest rate is 6%/yea..
calculate the alkalinity as CaC03 of water that contains 85mg/l of HCO3, 120 mg/l of CO3 and 2 m/l of OH.
The elevation of the lowest bottom of the structure is at 1470 feet. Calculate the maximum length (feet) of the parabolic curve required to meet the given conditions.
find the pressure required to fill the container when the height of the fluid is h = 0.75m at both point 1 (intake 1) and 2 (intake 2). Assume the air is at atmospheric pressure until the water level passes intake 2 (at h = 0.5m) and the air follo..
a low broad crest weir is installed in a wide, rectangular channel to reduce the flow velocity. the channel is 60ft wide, the channel slope is 1 to 2000. Manning's roughness coefficient n=0.014. the discharge per unit channel width is q=60 cfs/ft.
What criteria are used in the selection of personnel for the demonstration of maintenance tasks? Define the criteria for the selection of test and support equipment.
The thickness of geonet is 0.2 inch (5 mm). Assume the maximum inflow rate is 0.14 inch/hour. The liquid head over the geomembrane liner is 2 inches. The index properties of the soil placed over the geotextile are as follows
Determine the magnitude of reaction at point A (in kips) of a 20' beam with 5kips at 4' of the beam and 2kips at 9' of the beam at 350lbs./ft.
Water flows down a spillway at the rate q = 15 m^3/s into a horizontal channel where v1 = 20 m/s. Determine the depth of flow in the channel y2 that will casue the hydraulic jump to occur in the channel. Determine the headloss hL in the jump.
How many kg/day of NaOH must be added to neutralize a waste stream generated by an industry producing 90.8 million g/day of sulfuric acid, if 0.1% of the sulfuric acid produced is lost to wastewater The wastewater flow is 750,000 L/day
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