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According to ACI 318 9.2 the required strength U must be calculated using the equation U=1.4(DL)+1.7(LL). If the live load on a 30 foot long beam is 1.2 kip/feet and the dead load is 0.8 kip/feet determine the maximum moment in the beam (kip-ft) if it is pinned at both ends. Assume the weight of the steel is 0.3 kip/feet.
Find depth of water flow in Rectangular channel, Water is flowing in a rectangular channel whose width is 5m
Determine the percent elongation and percent reduction in area of each specimen.
The channel entrance is rounded and smooth (negligible head loss at entrance), and the reservoir water surface is 2.5 m above the bed of the channel at the entrance. hf=0.00019*Q2, where Q (in m3/s) is the discharge in the channel.
A ladder is supported by a horizontal floor and a vertical wall. Is 15 feet long and weighs 50 lbs, with the weight concentrated at its midlength. The ladder supports a person weighing 180 lbs.
A Biodegradable industrial wastewater (paper production) has a COD of 600 mg/L. If the BOD progression follows first-order kinetics with a rate constant = 0.10 per day, determine the BOD.
What pressure gradient is required to accelerate water vertically upward in a vertical pipe at a rate of 0.5g
Field tests have shown that the Horton equation best describes the composite roughness of the channel. Find the capacity of the main channel and the lateral extent of the floodplains for a 100-year flow of 1590m^3/s.
Determine the deflection of a simple uniformly loaded beam by the Ritz method,using first one term, then two terms, adn finally three terms in a sine series. Why does the coefficient of sin2piex/L vanish?
Assume that during the analyze stage an obvious solution is discovered. Should that solution be immediately implemented and the remaining steps of DMAIC abandoned?
For satisfactory operation, the static pressure at the pump inlet must not be lower than -6 m of water gage. Determine the smallest standard commercial pipe that will give the required performance.
A structural steel beam is attached to a column with bolts. The downward force on the connection is 150 kips. What bolt sizes must be used if the allowable shear stress is 25.0 ksi
Using method of joints, calculate the forces in members EC and EF. Note that the length of the member CD is 3.464 m, the length of member EC is 2m, and angle CDE is 30 degree ( this will cut down a bit of trigonometry effort).
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