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A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y. The elevation of water above the base of the aquifer in the river is 31 ft and in the canal is 27 ft. Determine
(A) the water divide
(B) the maximum water table elevation
(C) the daily discharge per 1000 feet into the river, and
(D) daily discharge per 1000 feet into the canal.
a vertical curve is formed when a rural highway passes under a bridge joining a -8 grade to the horizontal grade
A 100 ft cut steel tape was used to measure between two property markers. The rear surveyor held 93 ft, while the head surveyor cut .67ft. What was the distance between the markers
A) Estimate the aquifer porosity and hydraulic conductivity, B) determine the flow rate per unit width of the aquifer, C) determine the specific discharge, D) determine average linear velocity of the flow assuming steady unidirectional flow
the hull of a boat has a volme of 150m and the total mass of the boat when empty is 8560kg. determine how much load this boat can carry without sinking in a lake.
The landing gear of an airplane can be idealized as the spring-mass damper system. If the runway surface is described y(t)=y0 cos wt, determine the values of k and c that limit the amplitude of vibration of the airplane (x) to 0.1m. Assume m=2000k..
hydraulic conductivity of soil is .009cm/sec at room tmeperature of 28*C. what would be the coefficient of permeability at 20*C
A sample of clay was obtained from a point below the water table. An oven-drying test performed on this sample resulted in the following data: Mass of can= 10.88 g Mass of can + wet soil = 116.02 g
A 14-in. square concrete post is 6ft tall and reinforced by nine 3/4" diameter steel rods. Assume that the materials are high-strength concrete and ASTM-A36 structural steel.
An axial force of 200 kN is applied to the assembly by means of rigid end plates. Determine the normal stress in the aluminum shell.
When a pesticide comes into contact with skin, a certain percentage of it is absorbed. The percentage of the pesticide that will be absorbed during a given tie period can be modeled with a lognormal distribution.
What return period must an engineer use in the design of a bridge opening for a 50% risk that flooding will occur at least once in two consecutive years? Repeat for a risk of 100%.
Name the three factors that influence the degree to which martensite is formed throughout the cross section of a steel specimen. For each, tell how the extent of martensite formation may be increased.
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