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The annual maximum series of flood magnitude in a river has a normal distribution with a mean of 6000 m^3/s and a standard deviation of 800 m^3/s
A. What is the probability in each year that a flood magnitude would exceed 5000 m^3/s
B. if a channel is built to control the 20 year flood, what is the probability that the channel will be over topped in any 4 year period
C. What is the probability that the channel will be over topped twice in and 4 year period
D. If the channel is overtopped for 2 years in a row, renovation cost will increase too much. What is the probability that the channel will be overtopped for only 2 years in a row in a 4 year period
The discharge is 15 cubic meters per second with a bottom width=10m and side slopes of 1V:2H. If the discharge is increased to 20 cubic meters per second determine the new depth of flow
A two-stage trickling filter plant treats 291.7 m3/h of municipal wastewater that has a BOD5 of 200 mg/L. The two filters have equal dimensions (depth = 1.68 m; diameter = 21.3 m), and each has a recycle ratio of 1.0. If the primary clarifier removes..
The given groundwater shows the following chemical composition: Sodium =7 mgIL, Calcium = 70 mg/L, Magnesium = 35 mg/L, Potassium = 1 mgIL Bicarbonate = 200 mg/L, Sulfate = 30 mgIL, pH = 7.5 Atomic mass unit: sodium (23), calcium (40), magnesium (24...
Estimate the time when the temperature at the geometric center of a 6 cm diameter apple held in 2`C water stream reaches 3oC. The initial uniform temperature of the apple is 15`C.
a layer of clay 4m thick lies between two layers of sand each 4m thick the top of thenbspupper layer of sand being
A large concrete channel holds a hydraulic jump in which the subcritical depth of flow is 2.5 m. If 40 percent of the specific energy in the flow is lost through the hydraulic jump, what is the specific discharge in this rectangular channel
Argon in a light bulb is at 110kPa, 70 degrees celsius. The light is turned off, so the argon cools to the ambient 20 degrees celsius. Disregard the glass and any other mass and find the specific entropy generation
A spherical pressure vessel has an inner diameter of 2 meters and athickness of 10 mm. A strain gauge having a length of 20 mm is attached to it, and it isobserved to increase in length by 0.012mm when the vessel is pressurized.
If the actual coefficient of sliding friction on icy pavementis 0.05, theoretically within what range of speeds could a vehiclebe operated without sliding inward or outward for the following problems.
A 20-foot long W8X67 is suspended from one end. If the modulus of elasticity is 29,000ksi, determine the following.
Compute the seepage velocity and estimate the hydraulic gradient in the aquifer if the porosity of the soil is 42%.
Calculate the IEEE double precision floating number immediately greater than the minimum number in double precision in both binary and decimal form
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