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1.Point loads of magnitude 2000, 4000, and 6000 lb act at A, B, and C, respectively. (Figure 10.36). Determine the increase in vertical stress at a depth of 10 ft below point D. Use Boussinesq's equation.
2.A gunite concrete trapezoidal channel (n = 0.019) with 1:2 side slopes, as ilustrated below, conveys 60 m3/s on a slope of 0.0005. Compute the depth of flow.
3.A rod of copper alloy 50 inches long has a modulus of elasticity of 16*10^7 psi. If the maximum allowable elongation is 0.05 in, determine the diameter of the rod if it has to be subjected to a load of 3200 lb.
The 2 Mg car is being towed by a winch. If the winch exerts a force of T=105s on the cable, where 14m is the displacement of the car in meters, determine the speed of the car when s , starting from rest. Neglect rolling resistance of the car.
The post is embedded into a concrete footing so that it is fixed supported. If the reaction of the concrete on the post can be approximated by the distributed loading, determine the intensity of w1 and w2
Describe the equation for charging a water tank. Use: H= 2m, A_s = 1m^2, density water = 1000kg/m^3, K = 2000kg hr^-1 Mass flow in = K t. Calculate how long will it take to charge completely the tank
Estimate the value of the coefficient of at-rest earth pressure forthe deposit. If, when the water table was at the ground surface, the deposit was normallyconsolidated,would it still be normally consolidated with the water tablelowered? A reason mus..
A bridge having a horizontal top cord is span between tow piers Aand B having an arbitrary height. It is required that apin-connected truss be used, consisting of steel members boltedtogether to steel gusset plates. The end supports are assumed to be..
A completely reversible heat engine operates with a source at 1500 R and a sink at 500 R. At what rate must heat be supplied to this engine, in Btu/h, for it to produce 5 hp of power?
What is the contact time (min) required to achieve a log-3 deactivation of Giardia in water of 10 °C temperature, at pH 7, if the chlorine concentration is 2.2 mg/L
A cylindrical pressure vessel with hemispherical ends has a 2.5-m radius and a 5-mm wall thickness. It contains a gas with pressure pi = 6×10 5 Pa and the outer wall is subjected to atmospheric pressure p 0 = 1 × 10 5 Pa.
The elastic modulus is 40 GPa, the yield stress is 150 MPa, the ultimate stress is 525 MPa, and the ultimate strain is 0.38 (mm/mm). Perform the following tasks for this material. compute the tangent modulus between yield stress and ultimate stres..
a lagoon is 20 ft by 80 ft with a depth of 5.5 ft .Wastewater from households flow into the lagoon at 260 gal/day .How many days would it take to fill the lagoon
Calculate the percipitable water (mm) in a 10-km high standard atmoshperic column if the surface conditions are temperature=20 degrees C, pressure=101.3 kPa and the laspe rate is 6.5 degrees C/km.
Compute the geodetic coordinates of the station QBN from station MDU If coordinates of station MDU are f = 39°51'55"N, ? = 104°40'58"W Distance = 30km, Az = 243°40'48”, h = 1850m, dh= -20. Ellipsoid GRS80
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