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A cable is used to support five equal and equidistant loads over a spann of 30 metres. Find the length of the cable required and its sectional area if the safe tensile stress is 140N/mm2. the central dip of the cable is 2.5m and loads are 5kN each.
A structural element subjected to cyclic loading is made of fc’ = 3000 psi concrete. Compressive stresses are changing between 2200 psi and 1600 psi. The frequency of loading is 8 Hz. After 10 years of uninterrupted loading, evaluate damage of materi..
A steam locomotives had scoops installed that took water from a tank located between the tracks and lifted water into the tender. To lift the water 12 ft with a scoop, neglecting all losses, what speed in mph is required?
A distance of 200 ft must be taped in a manner to ensure a standard deviation smaller than ± 0.03 ft. What must be the standard deviation per 100 ft tape length to achieve the desired precision?
an uncontrolled mosaic is required for an environment project using 1/30000 photos. only the central area of each photo is used for the mosaic- an area about the center measuring 4.5x4.5 inches
the flow profile is such that u=u(max)*(1-(r/R)^2) where u is the flow speed and r is the distance from the centre of the pipe in the radial direction. What is the shear stress on the pipe wall What is the shear force exerted by the oil on a 1m lo..
Fluids (water, air etc) are known as 'incompressible'. which of these would you consider to be inappropriate?
If you have 10 kips acting downward on a foundation and footing, 4 feet long, with uniformly distributed load acting up ward of 2.5 k/ft (soil) also 4 ft long. what are the reactions, shear forces, and bending moments at the tree critical points?
Repeat LEM(Limit Equilibrium Method) analysis in clay (undrained) using a circular failure surface, with the center of the circle a distance h above the edge of the footing. What ratio of h/B gives the minimum value of Nc
Design an algorithm that lists all possible rearrangements of the symbols in a string of five distinct characters. (in pseudocode)
Elongation (in %) of steel plates treated with aluminium are random with probability density function f(x)={x/250 20
A wood board with a 2in. by 4in. cross section is subjected to a tensile load of 100 lb. Determine the average normal stress and average shear stress developed in the wood fibers that are oriented at 30 degrees with the axis of the board.
determine the deflection of a simple uniformly loaded beam by the ritz methodusing first one term then two terms adn
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