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A velocity field is given by V = xi + x(x-1)(y-1)j, where u and v are in feet. Plot the streamline that passes through x = 0 and y = 0. Compare this streamline with the streakline through the origin.
A pile resists the tension developed by three stay cables for a major tent (Membrane) Structure. Assuming no bending is desired in the pile (no resultant horizontal component), what is the magnitude of the force S if the angle \thetaS = 30 degrees
A bridge has cylindrical piers 1 m in diameter and spaced 15 m apart. Downstream of the bridge where the flow disturbance from the piers is no longer present, the flow depth is 2.9 m and the mean velocity is 2.5 m/s.
what is the effect of temperature on compressive strength of concrete?
If given a brittle material with a known tensile strength, Sut, and a known compressive strength, Suc, use the four main fracture criteria (MNSC, BCM, MM, and MIIM) to determine the shear stress, tau, in terms of the material properties Sut and Su..
A hydroelectricity plant is supplied from a resevoir via a pipeline 2km long and 2.5m in diameter. The pipeline terminates at the downstream end at in a control valve. Determine the minimum surge tank size if the max allowable height
determine the width of the flume to be used such that the depth of flow immediatly upstream of the throat under design conditions is 1 m. By what percentage is the capacity of the flume reduced if the downstream depth is 0.85m
A concrete dam retaining water has a specific weight of concrete of 23.5kn/m3, what is the factor of safety against sliding & overturning and pressure intensity on the base if coefficient of friction is 0.45
The herbicide 2,4,D, is applied to a golf course at a rate of 1.2 kg/ha. The organic matter content of the soil is 1%, bulk density is 1.3 g/cm3, and water content is 0.3. a) What fraction of the herbicide is adsorbed, and what fraction is dissolve..
a hollow steel shaft with an outside diameter of 400 mm and inside diameter of 300mm is subjected to the torque of 300 Kn. The modulus of rigidity for the steel is 80 GPa.
Write the mass balance equation for an ideal 1D plug-flow stream under steady state conditions with a first-order decaying substance. Solve for the concentration as a function of the concentration x=0, the rate constant kd, longitudinal distance x..
Calculate the change in length of a 30m measuring tape made of steel when its temperature changes by 84 F. The coefficient of thermal expansion for steel is x = 3.1 x 10^-6 per C
The only work interaction between the system and the surroundings is via the paddle wheel. The work done on the system via the paddle wheel is 220 ft*Ibf and the heat interaction can be assumed negligible.
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