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Determine the uniform flow depth in a rectangular channel 2.5 m wide with a discharge of 3 m3/s. The slope is 0.0004 and Manning's roughness coefficient is 0.015
A municipality uses green energy and treats 15 × 106 gal/day of a groundwater containing the following: CO2 = 17.6 mg/L, Ca2+ = 80 mg/L, Mg2+ = 48.8 mg/L, Na+ = 23 mg/L, Alk(HCO3-) = 270 mg/L as CaCO3, SO42- = 125 mg/L, Cl- = 35 mg/L.
In a certain community 36% of the families own a dog, and 22 percent of the families that own a dog also own a cat. In addition 30 percent of the families own a cat. a.) what percentage of families own both a dog and a cat
Determine the horizontal and vertical components of reaction at the pin supports at A and B and indicate direction. Take F1 = 7 KN, F2 = 6 KN, and h = 1 m.
After a few drinks under exactly the same conditions, the driver fails to stop in time and strikes the object at a speed of 35 mi/hr. Determine the driver's perception/reaction time before and after drinking.
Design a lined trapezoidal channel to carry 20 m^3/sec on a longitudinal sloe of 0.0015. The lining of the channel is to be float-finished concrete (n=0.015). Consider (a) the best hydraulic section and (b) the section with side slopes 1.5:1 (H:V)
A rod of steel is 20 m long at a temperature of 200C. find the free expansion of the rod when the temperature is raised to 650C. Find the temperature stress produced
A survey of similar facilities indicates that one parking space must be provided for every one employee and that 60% of all automobiles driven to work are compact automobiles, six percent of the spaces should be allocated for the handicapped.
A typical propane tank that we use for barbeque initially contains a pressure of 10 psi. The pressure is low, so we take it to the local store to fill the tank with more propane. After filling,the pressure is 100 psi.
A catchment has an area of 150 ha and a runo /rainfall ratio of 0.40. If due to a 10 cm rainfall over the catchment a stream flow at the catchment outlet lasts for 10 hr, what is the average stream flow in the period
Explain about pres-stressed concrete
A 25-mm-diameter shaft .5 m long is pulled through a cylindrical bearing. The lubricant that fills the 0.3-mm gap between the shaft and bearing is an oil having a kinematic viscosity of 8.0 × 10-4 m2/s and a specific gravity of 0.91.
No incisions are noted. Find the maximum axial tension using LRFD. Can we resist the same force in compression if the member is 10ft long?
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